﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2023v6.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-08-15T11:52:26-05:00</ReturnTs>
    <TaxPeriodEndDt>2024-09-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>861065772</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>DELOITTE TAX LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>111 MONUMENT CIRCLE SUITE 4200</AddressLine1Txt>
        <CityNm>INDIANAPOLIS</CityNm>
        <StateAbbreviationCd>IN</StateAbbreviationCd>
        <ZIPCd>46204</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-10-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>043026897</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>MOUNT AUBURN PROFESSIONAL SERVICES INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>MOUN</BusinessNameControlTxt>
      <PhoneNum>6174995021</PhoneNum>
      <USAddress>
        <AddressLine1Txt>CO BILH TAX 529 MAIN ST 4TH FL</AddressLine1Txt>
        <CityNm>CHARLESTOWN</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>02129</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>RAFAEL HERNANDEZ</PersonNm>
      <PersonTitleTxt>VP, BILH CORPORATE TREASURER</PersonTitleTxt>
      <PhoneNum>6174995021</PhoneNum>
      <SignatureDt>2025-08-14</SignatureDt>
      <DiscussWithPaidPreparerInd>0</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>0</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>ANGELA M MOORE</PreparerPersonNm>
      <PTIN>P00244342</PTIN>
      <PhoneNum>3174648600</PhoneNum>
      <PreparationDt>2025-08-12</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="9">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <AddressChangeInd>X</AddressChangeInd>
      <PrincipalOfficerNm>KEVIN TABB MD</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>C/O BILH TAX 529 MAIN ST 4TH FL</AddressLine1Txt>
        <CityNm>CHARLESTOWN</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>02129</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>92264192</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1988</FormationYr>
      <LegalDomicileStateCd>MA</LegalDomicileStateCd>
      <ActivityOrMissionDesc>SEE SCHEDULE O</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>2</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>1</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>725</TotalEmployeeCnt>
      <TotalVolunteersCnt>1</TotalVolunteersCnt>
      <TotalGrossUBIAmt>1383564</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>0</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>0</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>80887406</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>87123205</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>0</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>1435818</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>54589</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>448425</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>80941995</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>89007448</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>0</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>83869686</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>87507558</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>41257143</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>40367278</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>125126829</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>127874836</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>-44184834</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>-38867388</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>67518124</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>72093355</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>105721899</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>149164518</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>-38203775</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>-77071163</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <MissionDesc>SEE SCHEDULE O</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>126555917</ExpenseAmt>
      <RevenueAmt>87133359</RevenueAmt>
      <Desc>SEE SCHEDULE O</Desc>
      <TotalProgramServiceExpensesAmt>126555917</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd>0</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1040000001">0</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1040000001">0</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1040000001">0</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>0</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1040000001">1</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc1040000001">0</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc1040000001">0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc1040000001">1</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc1040000001">1</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc1040000001">1</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">0</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">1</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd>0</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>0</FundraisingActivitiesInd>
      <GamingActivitiesInd>0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd>0</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>0</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="RetDoc1042400001">1</ScheduleJRequiredInd>
      <TaxExemptBondsInd referenceDocumentId="RetDoc1053100001 RetDoc1053100002 RetDoc1053100003">1</TaxExemptBondsInd>
      <InvestTaxExemptBondsInd>1</InvestTaxExemptBondsInd>
      <EscrowAccountInd>0</EscrowAccountInd>
      <OnBehalfOfIssuerInd>0</OnBehalfOfIssuerInd>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>0</PYExcessBenefitTransInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>0</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd referenceDocumentId="RetDoc1043400001">0</DisregardedEntityInd>
      <RelatedEntityInd referenceDocumentId="RetDoc1043400001">1</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>1</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd referenceDocumentId="RetDoc1043400001">1</TransactionWithControlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd referenceDocumentId="RetDoc1043400001">0</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd referenceDocumentId="RetDoc1043400001">0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <InfoInScheduleOPartVInd>X</InfoInScheduleOPartVInd>
      <IRPDocumentCnt>135</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>1</BackupWthldComplianceInd>
      <EmployeeCnt>725</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>1</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>1</UnrelatedBusIncmOverLimitInd>
      <Form990TFiledInd>1</Form990TFiledInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>0</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>0</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>0</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>2</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>1</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>1</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>0</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>1</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>1</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>1</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>1</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>0</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>0</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>MA</StatesWhereCopyOfReturnIsFldCd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>KAREN WOLFSON AVP TAXATION</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>7817448924</PhoneNum>
        <USAddress>
          <AddressLine1Txt>BILH SCHRAFFTS CITY CTR 4TH FL 529</AddressLine1Txt>
          <CityNm>CHARLESTOWN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>HUANG MD EDWIN</PersonNm>
        <TitleTxt>TRUSTEE (EX-OFFICIO) &amp; PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>55.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>793316</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>55110</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SPENCER MD JACQUELINE</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>1.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>RIOS CINDY</PersonNm>
        <TitleTxt>TREAS (EX-OFF) (EXEC VP &amp; CFO, BILH)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>64.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>1471427</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>217736</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KATZ ESQ JAMIE</PersonNm>
        <TitleTxt>CLERK (EX-OFF); GENERAL COUNSEL BILH</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>64.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>1270175</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>32002</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SMITH MBA BRIAN</PersonNm>
        <TitleTxt>ASST TREAS; METRO BOSTON &amp; MAH CFO</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>58.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>301457</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>33643</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>FISHMAN AARON</PersonNm>
        <TitleTxt>ASST TREAS (EX-OFF) &amp; CFO</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>60.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>239571</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>32186</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>GEVITZ ESQ KATHRYN</PersonNm>
        <TitleTxt>ASST CLERK (ASST GEN COUNSEL, BILH)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>56.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>167385</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>18914</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>FIELDS MD ROBERT</PersonNm>
        <TitleTxt>CHR PRIMARY CARE (CHF CLIN OFF BILH)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>62.00</AverageHoursPerWeekRltdOrgRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>1249649</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>31658</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOHNSON MD MS FACP ELIZABETH</PersonNm>
        <TitleTxt>CHAIR AND PRES, BILH PRIMARY CARE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>60.00</AverageHoursPerWeekRltdOrgRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>789995</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>104587</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>NGUYEN MD NICOLAS</PersonNm>
        <TitleTxt>ASSOC CMO SOUTH REGION, BILHPC</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>55.00</AverageHoursPerWeekRltdOrgRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>524454</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>79478</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BARKER ALEX</PersonNm>
        <TitleTxt>COO, SOUTH REGION, BILH PRIMARY CARE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>56.00</AverageHoursPerWeekRltdOrgRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>438345</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>73909</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>GOLEN MD TONI</PersonNm>
        <TitleTxt>CMO, SPECIALTY CARE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>55.00</AverageHoursPerWeekRltdOrgRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>424136</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>74841</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BIRJINIUK MD VLADIMIR</PersonNm>
        <TitleTxt>CHAIR, CARDIOVASCULAR SURGERY</TitleTxt>
        <AverageHoursPerWeekRt>55.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>965133</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>77951</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ABNER MD ANTHONY</PersonNm>
        <TitleTxt>PHYSICIAN, HEMATOLOGY/ONCOLOGY</TitleTxt>
        <AverageHoursPerWeekRt>55.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>688385</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>53012</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ZANDMAN MD DANIEL</PersonNm>
        <TitleTxt>PHYSICIAN, GASTROENTEROLOGY</TitleTxt>
        <AverageHoursPerWeekRt>55.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>498334</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>50189</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SILVER MD TERRI</PersonNm>
        <TitleTxt>PLASTIC AND RECONSTRUCTIVE SURGEON</TitleTxt>
        <AverageHoursPerWeekRt>55.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>505562</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>12351</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BORGES MD LAWRENCE</PersonNm>
        <TitleTxt>PHYSICIAN, INT MED/GASTROENTEROLOGY</TitleTxt>
        <AverageHoursPerWeekRt>55.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>483108</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>15187</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>WABLE CHAD</PersonNm>
        <TitleTxt>FRMR TTEE (EX-OFF) &amp; PRES</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <FormerOfcrDirectorTrusteeInd>X</FormerOfcrDirectorTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>500000</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>38462</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>GUARINO RICHARD</PersonNm>
        <TitleTxt>FORMER SVP, COO &amp; INTERIM VP, CMO</TitleTxt>
        <AverageHoursPerWeekRt>0.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <FormerOfcrDirectorTrusteeInd>X</FormerOfcrDirectorTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>350002</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>13462</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>3140522</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>8519912</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>1014678</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>254</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>1</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>BETH ISRAEL LAHEY HEALTH INC</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>529 MAIN STREET</AddressLine1Txt>
            <CityNm>CHARLESTOWN</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02129</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>PROFESSIONAL &amp; OTHER SERVICES</ServicesDesc>
        <CompensationAmt>61542504</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>CARDINAL HEALTH PHARMACY</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1330 ENCLAVE PARKWAY</AddressLine1Txt>
            <CityNm>HOUSTON</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>77077</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>PHARMACY</ServicesDesc>
        <CompensationAmt>2179274</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>MEDIX STAFFING SERVICES</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>55 W 22ND ST STE 230</AddressLine1Txt>
            <CityNm>LOMBARD</CityNm>
            <StateAbbreviationCd>IL</StateAbbreviationCd>
            <ZIPCd>60148</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>STAFFING SERVICES</ServicesDesc>
        <CompensationAmt>1880773</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>RESERVOIR MEDICAL ASSOCIATES</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>725 CONCORD AVE</AddressLine1Txt>
            <CityNm>CAMBRIDGE</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02238</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CLINICIAN SERVICES</ServicesDesc>
        <CompensationAmt>1580790</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>WEATHERBY LOCUMS INC</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO BOX 972633</AddressLine1Txt>
            <CityNm>DALLAS</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>75397</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>STAFFING SERVICES</ServicesDesc>
        <CompensationAmt>1481635</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>38</CntrctRcvdGreaterThan100KCnt>
      <ProgramServiceRevenueGrp>
        <Desc>PATIENT CARE REVENUE</Desc>
        <BusinessCd>621110</BusinessCd>
        <TotalRevenueColumnAmt>73241916</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>73241916</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>SERVICES TO AFFILIATES</Desc>
        <BusinessCd>561499</BusinessCd>
        <TotalRevenueColumnAmt>12261164</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>12261164</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MANAGED &amp; ADMIN SERVIC</Desc>
        <BusinessCd>561000</BusinessCd>
        <TotalRevenueColumnAmt>1620125</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>312370</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>1307755</UnrelatedBusinessRevenueAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>87123205</TotalProgramServiceRevenueAmt>
      <GrossRentsGrp>
        <RealAmt>569357</RealAmt>
      </GrossRentsGrp>
      <LessRentalExpensesGrp>
        <RealAmt>131086</RealAmt>
      </LessRentalExpensesGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>438271</RealAmt>
      </RentalIncomeOrLossGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>438271</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>75809</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>362462</ExclusionAmt>
      </NetRentalIncomeOrLossGrp>
      <GrossAmountSalesAssetsGrp>
        <OtherAmt>4561476</OtherAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <OtherAmt>3125658</OtherAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <OtherAmt>1435818</OtherAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>1435818</TotalRevenueColumnAmt>
        <ExclusionAmt>1435818</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <OtherRevenueMiscGrp>
        <Desc>PATIENT RECORDS &amp; MISC</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>10154</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>10154</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>10154</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>89007448</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>85825604</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>1383564</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>1798280</ExclusionAmt>
      </TotalRevenueGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>74299011</TotalAmt>
        <ProgramServicesAmt>73410136</ProgramServicesAmt>
        <ManagementAndGeneralAmt>888875</ManagementAndGeneralAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>2923805</TotalAmt>
        <ProgramServicesAmt>2888826</ProgramServicesAmt>
        <ManagementAndGeneralAmt>34979</ManagementAndGeneralAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>5694533</TotalAmt>
        <ProgramServicesAmt>5626407</ProgramServicesAmt>
        <ManagementAndGeneralAmt>68126</ManagementAndGeneralAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>4590209</TotalAmt>
        <ProgramServicesAmt>4535294</ProgramServicesAmt>
        <ManagementAndGeneralAmt>54915</ManagementAndGeneralAmt>
      </PayrollTaxesGrp>
      <FeesForServicesManagementGrp>
        <TotalAmt>9107958</TotalAmt>
        <ProgramServicesAmt>9107958</ProgramServicesAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>10888122</TotalAmt>
        <ProgramServicesAmt>10888122</ProgramServicesAmt>
      </FeesForServicesOtherGrp>
      <OfficeExpensesGrp>
        <TotalAmt>274299</TotalAmt>
        <ProgramServicesAmt>270962</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3337</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <OccupancyGrp>
        <TotalAmt>9710003</TotalAmt>
        <ProgramServicesAmt>9581210</ProgramServicesAmt>
        <ManagementAndGeneralAmt>128793</ManagementAndGeneralAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>108267</TotalAmt>
        <ProgramServicesAmt>108267</ProgramServicesAmt>
      </TravelGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>939251</TotalAmt>
        <ProgramServicesAmt>921273</ProgramServicesAmt>
        <ManagementAndGeneralAmt>17978</ManagementAndGeneralAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>2741438</TotalAmt>
        <ProgramServicesAmt>2735950</ProgramServicesAmt>
        <ManagementAndGeneralAmt>5488</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>PHARMACEUTICALS</Desc>
        <TotalAmt>3525204</TotalAmt>
        <ProgramServicesAmt>3525204</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>MEDICAL SUPPLIES AND DE</Desc>
        <TotalAmt>2498262</TotalAmt>
        <ProgramServicesAmt>2498262</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>DUES AND LICENSES</Desc>
        <TotalAmt>308262</TotalAmt>
        <ProgramServicesAmt>308262</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>MAINTENANCE CONTRACTS</Desc>
        <TotalAmt>197249</TotalAmt>
        <ProgramServicesAmt>80821</ProgramServicesAmt>
        <ManagementAndGeneralAmt>116428</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>68963</TotalAmt>
        <ProgramServicesAmt>68963</ProgramServicesAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>127874836</TotalAmt>
        <ProgramServicesAmt>126555917</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1318919</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>-99634</BOYAmt>
        <EOYAmt>-79301</EOYAmt>
      </CashNonInterestBearingGrp>
      <AccountsReceivableGrp>
        <BOYAmt>6468065</BOYAmt>
        <EOYAmt>7272889</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>1042483</BOYAmt>
        <EOYAmt>847780</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>34785175</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>24278466</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>9421738</BOYAmt>
        <EOYAmt>10506709</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <IntangibleAssetsGrp>
        <BOYAmt>2784362</BOYAmt>
        <EOYAmt>2784362</EOYAmt>
      </IntangibleAssetsGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>47901110</BOYAmt>
        <EOYAmt>50760916</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>67518124</BOYAmt>
        <EOYAmt>72093355</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>11608391</BOYAmt>
        <EOYAmt>16671780</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>122238</BOYAmt>
        <EOYAmt>119274</EOYAmt>
      </DeferredRevenueGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>93991270</BOYAmt>
        <EOYAmt>132373464</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>105721899</BOYAmt>
        <EOYAmt>149164518</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>-38203775</BOYAmt>
        <EOYAmt>-77071163</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>-38203775</BOYAmt>
        <EOYAmt>-77071163</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>67518124</BOYAmt>
        <EOYAmt>72093355</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-38867388</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <SupportingOrganization509a3Ind>X</SupportingOrganization509a3Ind>
      <SupportingOrgType1Ind>X</SupportingOrgType1Ind>
      <SupportedOrganizationsCnt>1</SupportedOrganizationsCnt>
      <SupportedOrgInformationGrp>
        <SupportedOrganizationName>
          <BusinessNameLine1Txt>MOUNT AUBURN HOSPITAL</BusinessNameLine1Txt>
        </SupportedOrganizationName>
        <EIN>042103606</EIN>
        <OrganizationTypeCd>3</OrganizationTypeCd>
        <GoverningDocumentListedInd>0</GoverningDocumentListedInd>
        <SupportAmt>127874836</SupportAmt>
        <OtherSupportAmt>0</OtherSupportAmt>
      </SupportedOrgInformationGrp>
      <SupportedOrganizationsTotalCnt>1</SupportedOrganizationsTotalCnt>
      <SupportSumAmt>127874836</SupportSumAmt>
      <OtherSupportSumAmt>0</OtherSupportSumAmt>
      <Form990SchASupportingOrgGrp>
        <ListedByNameGoverningDocInd>1</ListedByNameGoverningDocInd>
        <SuprtOrgNoIRSDeterminationInd>0</SuprtOrgNoIRSDeterminationInd>
        <SupportedOrgSectionC456Ind>0</SupportedOrgSectionC456Ind>
        <SupportedOrgNotOrganizedUSInd>0</SupportedOrgNotOrganizedUSInd>
        <OrganizationChangeSuprtOrgInd>0</OrganizationChangeSuprtOrgInd>
        <SupportNonSupportedOrgInd>0</SupportNonSupportedOrgInd>
        <PaymentSubstantialContribtrInd>0</PaymentSubstantialContribtrInd>
        <LoanDisqualifiedPersonInd>0</LoanDisqualifiedPersonInd>
        <ControlledDisqualifiedPrsnInd>0</ControlledDisqualifiedPrsnInd>
        <DisqualifiedPrsnControllIntInd>0</DisqualifiedPrsnControllIntInd>
        <DisqualifiedPrsnOwnrIntInd>0</DisqualifiedPrsnOwnrIntInd>
        <ExcessBusinessHoldingsRulesInd>0</ExcessBusinessHoldingsRulesInd>
        <ContributionControllerInd>0</ContributionControllerInd>
        <ContributionFamilyInd>0</ContributionFamilyInd>
        <Contribution35ControlledInd>0</Contribution35ControlledInd>
      </Form990SchASupportingOrgGrp>
      <Form990SchAType1SuprtOrgGrp>
        <PowerAppointMajorityDirTrstInd>1</PowerAppointMajorityDirTrstInd>
        <OperateBenefitNonSuprtOrgInd>0</OperateBenefitNonSuprtOrgInd>
      </Form990SchAType1SuprtOrgGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <LandGrp>
        <OtherCostOrOtherBasisAmt>400000</OtherCostOrOtherBasisAmt>
        <BookValueAmt>400000</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>2352354</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>2177749</DepreciationAmt>
        <BookValueAmt>174605</BookValueAmt>
      </BuildingsGrp>
      <LeaseholdImprovementsGrp>
        <OtherCostOrOtherBasisAmt>16575740</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>10329306</DepreciationAmt>
        <BookValueAmt>6246434</BookValueAmt>
      </LeaseholdImprovementsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>13838750</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>11771411</DepreciationAmt>
        <BookValueAmt>2067339</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>1618331</OtherCostOrOtherBasisAmt>
        <BookValueAmt>1618331</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>10506709</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>LEASE ASSETS</Desc>
        <BookValueAmt>40188040</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>PROF LIABILITY INSURANCE RECOVERY</Desc>
        <BookValueAmt>9391361</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>DEFERRED COMPENSATION</Desc>
        <BookValueAmt>1181515</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>50760916</TotalBookValueOtherAssetsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>PROFESSIONAL LIABILITY CLAIMS RESERVE</Desc>
        <Amt>11978702</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>DUE TO AFFILIATE</Desc>
        <Amt>73477762</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>LEASE LIABILITY</Desc>
        <Amt>42068210</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>ESTIMATED THIRD PARTY SETTLEMENTS</Desc>
        <Amt>3613890</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED COMPENSATION</Desc>
        <Amt>1181515</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>WORKERS COMPENSATION</Desc>
        <Amt>53385</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>132373464</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>BETH ISRAEL LAHEY HEALTH, INC., WHICH SERVES AS THE PARENT OF THE SYSTEM, HAS BEEN DETERMINED BY THE INTERNAL REVENUE SERVICE TO BE AN ORGANIZATION DESCRIBED UNDER INTERNAL REVENUE CODE (THE "CODE") SECTION 501(C)(3) AND, THEREFORE, IS EXEMPT FROM FEDERAL INCOME TAXES ON RELATED INCOME PURSUANT TO SECTION 501(A) OF THE CODE. THE INTERNAL REVENUE SERVICE HAS ALSO DETERMINED THAT THE OTHER ENTITIES IN THE SYSTEM, EXCLUDING ITS FOR-PROFIT SUBSIDIARIES, QUALIFY AS ORGANIZATIONS DESCRIBED IN SECTION 501(C)(3) OF THE CODE, MEET THE CODE'S REQUIREMENTS UNDER SECTION 509(A), AND THEREFORE ARE EXEMPT FROM FEDERAL INCOME TAXES ON RELATED INCOME PURSUANT TO SECTION 501(A) OF THE CODE. ACCORDINGLY, NO PROVISION HAS BEEN RECORDED FOR INCOME TAXES IN THE ACCOMPANYING CONSOLIDATED FINANCIAL STATEMENTS. THE SYSTEM RECOGNIZES THE EFFECT OF INCOME TAX POSITIONS ONLY IF THOSE POSITIONS ARE MORE LIKELY THAN NOT OF BEING SUSTAINED. RECOGNIZED INCOME TAX POSITIONS ARE MEASURED AT THE LARGEST AMOUNT OF BENEFIT THAT IS GREATER THAN FIFTY PERCENT LIKELY TO BE REALIZED UPON SETTLEMENT. CHANGES IN MEASUREMENT ARE REFLECTED IN THE PERIOD IN WHICH THE CHANGE IN JUDGMENT OCCURS. THE SYSTEM DID NOT RECOGNIZE THE EFFECT OF ANY INCOME TAX POSITIONS FOR THE YEARS ENDED SEPTEMBER 30, 2024 AND 2023, RESPECTIVELY.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <SeverancePaymentInd>1</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>1</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>1</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>RIOS CINDY</PersonNm>
        <TitleTxt>TREAS (EX-OFF) (EXEC VP &amp; CFO, BILH)</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>926412</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>523188</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>21827</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>182509</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>35227</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>1689163</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KATZ ESQ JAMIE</PersonNm>
        <TitleTxt>CLERK (EX-OFF); GENERAL COUNSEL BILH</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>820540</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>322850</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>126785</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>23170</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>8832</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>1302177</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>FIELDS MD ROBERT</PersonNm>
        <TitleTxt>CHR PRIMARY CARE (CHF CLIN OFF BILH)</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>758894</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>414615</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>76140</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>31658</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>1281307</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BIRJINIUK MD VLADIMIR</PersonNm>
        <TitleTxt>CHAIR, CARDIOVASCULAR SURGERY</TitleTxt>
        <BaseCompensationFilingOrgAmt>900513</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>64620</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>47850</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>30101</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>1043084</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JOHNSON MD MS FACP ELIZABETH</PersonNm>
        <TitleTxt>CHAIR AND PRES, BILH PRIMARY CARE</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>586597</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>173790</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>29608</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>64935</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>39652</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>894582</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>HUANG MD EDWIN</PersonNm>
        <TitleTxt>TRUSTEE (EX-OFFICIO) &amp; PRESIDENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>624897</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>164635</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>3784</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>25055</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>30055</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>848426</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ABNER MD ANTHONY</PersonNm>
        <TitleTxt>PHYSICIAN, HEMATOLOGY/ONCOLOGY</TitleTxt>
        <BaseCompensationFilingOrgAmt>254428</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>432134</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>1823</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>26400</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>26612</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>741397</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>NGUYEN MD NICOLAS</PersonNm>
        <TitleTxt>ASSOC CMO SOUTH REGION, BILHPC</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>413980</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>104359</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>6115</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>39600</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>39878</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>603932</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ZANDMAN MD DANIEL</PersonNm>
        <TitleTxt>PHYSICIAN, GASTROENTEROLOGY</TitleTxt>
        <BaseCompensationFilingOrgAmt>456835</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>41000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>499</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>16500</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>33689</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>548523</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>WABLE CHAD</PersonNm>
        <TitleTxt>FRMR TTEE (EX-OFF) &amp; PRES</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>500000</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>38462</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>538462</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>SILVER MD TERRI</PersonNm>
        <TitleTxt>PLASTIC AND RECONSTRUCTIVE SURGEON</TitleTxt>
        <BaseCompensationFilingOrgAmt>357684</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>147318</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>560</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>9900</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>2451</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>517913</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BARKER ALEX</PersonNm>
        <TitleTxt>COO, SOUTH REGION, BILH PRIMARY CARE</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>299390</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>128716</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>10239</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>40133</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>33776</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>512254</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>GOLEN MD TONI</PersonNm>
        <TitleTxt>CMO, SPECIALTY CARE</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>387587</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>24379</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>12170</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>36930</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>37911</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>498977</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BORGES MD LAWRENCE</PersonNm>
        <TitleTxt>PHYSICIAN, INT MED/GASTROENTEROLOGY</TitleTxt>
        <BaseCompensationFilingOrgAmt>456962</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>25726</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>420</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>15043</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>144</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>498295</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>GUARINO RICHARD</PersonNm>
        <TitleTxt>FORMER SVP, COO &amp; INTERIM VP, CMO</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>350002</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>13462</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>363464</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>SMITH MBA BRIAN</PersonNm>
        <TitleTxt>ASST TREAS; METRO BOSTON &amp; MAH CFO</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>253396</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>36363</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>11698</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>33643</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>335100</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>FISHMAN AARON</PersonNm>
        <TitleTxt>ASST TREAS (EX-OFF) &amp; CFO</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>215043</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>24347</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>181</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>30000</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>2186</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>271757</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>GEVITZ ESQ KATHRYN</PersonNm>
        <TitleTxt>ASST CLERK (ASST GEN COUNSEL, BILH)</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>167254</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>131</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>7344</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>11570</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>186299</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>MOUNT AUBURN PROFESSIONAL SERVICES, INC.'S CHIEF EXECUTIVE OFFICER AND PRESIDENT ARE EMPLOYED THROUGH BETH ISRAEL LAHEY HEALTH (BILH), WHICH AS NOTED THROUGHOUT THIS FILING, IS THE DIRECT OR INDIRECT SOLE MEMBER OF MOUNT AUBURN PROFESSIONAL SERVICES, INC. IN THIS CAPACITY, THE BILH COMPENSATION COMMITTEE SETS COMPENSATION FOR THE CEO AND PRESIDENT OF MOUNT AUBURN PROFESSIONAL SERVICES, INC. AS NOTED IN RESPONSE TO THIS FORM 990 PART VI QUESTIONS 15A AND 15B, THE BILH COMPENSATION COMMITTEE ESTABLISHES THE POLICIES AND THE COMPENSATION STRUCTURE, INCLUDING BENEFITS, FOR THE BETH ISRAEL LAHEY HEALTH NETWORK OF AFFILIATES INCLUDING THE BILH CHIEF EXECUTIVE OFFICER AS WELL AS OTHER MEMBERS OF SENIOR MANAGEMENT AT BILH AND ITS AFFILIATES. THE COMPENSATION COMMITTEE IS RESPONSIBLE FOR ASSURING THAT THE TOTAL COMPENSATION PROVIDED TO THESE INDIVIDUALS IS FAIR AND REASONABLE USING CURRENT AND CREDIBLE MARKET PRACTICE INFORMATION AND IS RESPONSIBLE FOR ENSURING COMPLIANCE WITH APPLICABLE LEGAL AND REGULATORY GUIDELINES. THE BILH COMPENSATION COMMITTEE IS COMPOSED OF INDEPENDENT MEMBERS OF ITS BOARD OF TRUSTEES. IN SETTING COMPENSATION, THE COMPENSATION COMMITTEE RELIES UPON PUBLISHED COMPENSATION SURVEYS AND STUDIES PRODUCED BY INDEPENDENT COMPENSATION CONSULTING FIRMS THAT REGULARLY ASSESS EXECUTIVE COMPENSATION AND BENEFITS OF SUBSTANTIALLY SIMILAR ORGANIZATIONS. THE COMPENSATION COMMITTEE MEETS TO REVIEW THE COMPENSATION STRUCTURE OF THE INDIVIDUALS DESCRIBED ABOVE AND AT THAT TIME REVIEWS THE COMPENSATION SURVEY DETAILS PREPARED BY THE INDEPENDENT COMPENSATION CONSULTING FIRM. FOR SOME CATEGORIES OF POSITIONS, THE COMPENSATION COMMITTEE WILL REVIEW THE COMPENSATION STRUCTURE AND TARGETS AS A GROUP, RATHER THAN BY INDIVIDUAL. COMPENSATION FOR THE BILH CEO AND OTHER SENIOR EXECUTIVES IS REVIEWED ON AN INDIVIDUAL BASIS. THE COMPENSATION COMMITTEE THEN VOTES TO APPROVE THE COMPENSATION ARRANGEMENTS OF ALL INDIVIDUALS DESCRIBED ABOVE EXCEPT FOR THE BILH CEO. THE COMPENSATION PACKAGE FOR THE BILH CEO AS VOTED BY THE COMPENSATION COMMITTEE IS SUBMITTED TO THE FULL BILH BOARD OF TRUSTEES FOR APPROVAL. ALL DELIBERATIONS FOR BOTH THE COMPENSATION COMMITTEE AND THE BOARD OF TRUSTEES ARE CONTEMPORANEOUSLY DOCUMENTED IN MINUTES. THE COMPENSATION COMMITTEE PROCESSES AND PROCEDURES AS DESCRIBED ABOVE ARE DESIGNED TO MEET THE REQUIREMENTS OF TREASURY REGULATION SECTION 53.4958-6(C), REBUTTABLE PRESUMPTION THAT A TRANSACTION IS NOT AN EXCESS BENEFIT TRANSACTION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINES 4A-B</FormAndLineReferenceDesc>
        <ExplanationTxt>ONE OR MORE INDIVIDUALS LISTED IN THIS FORM 990, SCHEDULE J, COMPENSATION INFORMATION, RECEIVED SEVERANCE PAYMENTS. ADDITIONAL INFORMATION IS INCLUDED WITH THE EXPLANATORY NOTES TO SCHEDULE J BELOW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>AS NOTED ABOVE, THE BILH COMPENSATION COMMITTEE ESTABLISHES THE POLICIES AND THE COMPENSATION STRUCTURE, INCLUDING BENEFITS, FOR THE BETH ISRAEL LAHEY HEALTH NETWORK OF AFFILIATES INCLUDING THE BILH CHIEF EXECUTIVE OFFICER AS WELL AS OTHER MEMBERS OF SENIOR MANAGEMENT AT BILH AND ITS AFFILIATES. THE COMPENSATION COMMITTEE IS RESPONSIBLE FOR ASSURING THAT THE TOTAL COMPENSATION PROVIDED TO THESE INDIVIDUALS IS FAIR AND REASONABLE USING CURRENT AND CREDIBLE MARKET PRACTICE INFORMATION AND IS RESPONSIBLE FOR ENSURING COMPLIANCE WITH APPLICABLE LEGAL AND REGULATORY GUIDELINES. THE BILH COMPENSATION COMMITTEE IS COMPOSED OF INDEPENDENT MEMBERS OF ITS BOARD OF TRUSTEES. DURING THE 2023 CALENDAR YEAR, BILH MAINTAINED EXECUTIVE COMPENSATION PACKAGES WHICH INCLUDED OPPORTUNITIES TO EARN INCENTIVE COMPENSATION BASED ON A COMBINATION OF VARIOUS FACTORS, INCLUDING BUT NOT LIMITED TO, MEETING OR EXCEEDING THE EMPLOYING ENTITY'S OBJECTIVES FOR QUALITY AND PATIENT SAFETY, BUDGETED CONSOLIDATED OPERATING MARGIN, AND MEETING INDIVIDUAL GOALS AND OBJECTIVES. IN EACH CASE, INCENTIVE COMPENSATION WAS REVIEWED AND APPROVED BY THE COMPENSATION COMMITTEE, AND FOR THE BILH CEO AS NOTED ABOVE, THE FULL BILH BOARD OF TRUSTEES. ADDITIONAL INFORMATION IS INCLUDED IN THE EXPLANATORY NOTES TO THIS SCHEDULE J.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE J ADDITIONAL EXPLANATORY FOOTNOTES:</FormAndLineReferenceDesc>
        <ExplanationTxt>DIRECTORS AND TRUSTEES SERVE WITHOUT COMPENSATION: ALL DIRECTORS/TRUSTEES SERVE WITHOUT COMPENSATION OR BENEFITS. COMPENSATION PAID TO OFFICERS, DIRECTORS/TRUSTEES OR KEY EMPLOYEES WAS EARNED FOR WORK PERFORMED IN A CAPACITY OTHER THAN THAT OF DIRECTOR/TRUSTEE, AS DENOTED BY THE LISTED TITLES IN THE NOTES BELOW. REPORTING PERIOD: AS REQUIRED BY FORM 990, COMPENSATION REPORTED IN THE FILING FOR THE FISCAL YEAR ENDED SEPTEMBER 30, 2024 IS CALENDAR YEAR 2023 COMPENSATION. COMPENSATION SOURCES: COMPENSATION REPORTED FOR INDIVIDUALS MAY INCLUDE COMPENSATION PAID BY THE REPORTING ENTITY, AN AFFILIATE OF THE REPORTING ENTITY AND IN SOME CASES UNRELATED ENTITIES AS REQUIRED BY FORM 990. REPORTABLE COMPENSATION: REPORTABLE COMPENSATION LISTED IN FORM 990 PART VII INCLUDES BASE COMPENSATION, INCENTIVE COMPENSATION AND OTHER REPORTABLE COMPENSATION AS REPORTED IN FORM 990 SCHEDULE J. OTHER COMPENSATION: OTHER COMPENSATION LISTED IN FORM 990 PART VII INCLUDES DEFERRED COMPENSATION AND NON-TAXABLE BENEFITS AS REPORTED IN FORM 990 SCHEDULE J. BASE COMPENSATION: AMOUNTS NOT OTHERWISE SEPARATELY NOTED IN THIS RETURN BUT QUANTIFIED IN BASE COMPENSATION INCLUDE AMOUNTS FROM ONE OR MORE OF THE FOLLOWING ITEMS: ORDINARY WAGES, EMPLOYEE DEFERRALS TO A 401(K) AND/OR 403(B) PLAN OTHER REPORTABLE COMPENSATION: AMOUNTS NOT OTHERWISE SEPARATELY NOTED IN THIS RETURN BUT QUANTIFIED IN OTHER REPORTABLE COMPENSATION INCLUDE AMOUNTS FROM ONE OR MORE OF THE FOLLOWING ITEMS: TAXABLE EMPLOYER SUBSIDIZED PARKING; TAXABLE LIFE, DISABILITY, OR LONG-TERM CARE INSURANCE. DEFERRED COMPENSATION: AMOUNTS NOT OTHERWISE SEPARATELY NOTED BUT QUANTIFIED IN DEFERRED COMPENSATION INCLUDE AMOUNTS FROM ONE OR MORE OF THE FOLLOWING ITEMS: EMPLOYER CONTRIBUTIONS TO 401(K) RETIREMENT PLAN, EMPLOYER CONTRIBUTIONS TO 403(B) RETIREMENT PLAN, EMPLOYER CONTRIBUTION TO PENSION PLAN AND/OR THE CHANGE IN ACTUARIAL VALUE OF THE PENSION PLAN BENEFIT. NON-TAXABLE BENEFITS: AMOUNTS NOT OTHERWISE SEPARATELY NOTED BUT QUANTIFIED IN NON-TAXABLE BENEFITS INCLUDE, AMONG OTHER THINGS, AMOUNTS FROM ONE OR MORE OF THE FOLLOWING NON-TAXABLE BENEFITS: EMPLOYEE CONTRIBUTIONS TO HEALTH INSURANCE, EMPLOYER CONTRIBUTIONS TO HEALTH INSURANCE, EMPLOYEE CONTRIBUTIONS TO FLEXIBLE SPENDING ACCOUNTS FOR DEPENDENT CARE AND/OR MEDICAL REIMBURSEMENT, ADOPTION ASSISTANCE, TUITION ASSISTANCE PURSUANT TO AN EMPLOYER PLAN, GROUP TERM LIFE INSURANCE, DISABILITY INSURANCE</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE J FOOTNOTES (CONTINUED):</FormAndLineReferenceDesc>
        <ExplanationTxt>ABNER, M.D., ANTHONY - PHYSICIAN, HEMATOLOGY ONCOLOGY - MOUNT AUBURN PROFESSIONAL SERVICES, INC. BARKER, ALEX MR. BARKER SERVED IN THE FOLLOWING POSITIONS DURING THE FISCAL YEAR ENDED SEPTEMBER 30, 2024: - CHIEF OPERATING OFFICER, SOUTHERN REGION - BILH PRIMARY CARE - MEDICAL CARE OF BOSTON MANAGEMENT CORPORATION D/B/A BETH ISRAEL LAHEY HEALTH PRIMARY CARE A/K/A AFFILIATED PHYSICIANS GROUP - CHIEF OPERATING OFFICER, SOUTHERN REGION - BILH PRIMARY CARE - JORDAN PHYSICIAN ASSOCIATES - CHIEF OPERATING OFFICER, SOUTHERN REGION - BILH PRIMARY CARE - MOUNT AUBURN PROFESSIONAL SERVICES INC. AS REQUIRED IN THIS FORM 990, COMPENSATION REPORTED HERE IS CALENDAR YEAR 2023 COMPENSATION. BASE COMPENSATION, INCENTIVE COMPENSATION, OTHER REPORTABLE COMPENSATION, DEFERRED COMPENSATION AND NON-TAXABLE BENEFITS ARE REPORTED AS REQUIRED IN FORM 990, SCHEDULE J. DEFERRED COMPENSATION IN THE AMOUNT OF $26,650 IS INCLUDED IN THIS FILING FOR MR. BARKER. THAT AMOUNT RELATES TO A MILESTONE PAYMENT WHICH, AS OF DECEMBER 31, 2023, WAS NOT FUNDED, WAS NOT VESTED AND FOR WHICH THERE WAS NO GUARANTEE OF PAYMENT. THIS AMOUNT IS INCLUDED HERE AS DEFERRED COMPENSATION AS REQUIRED BASED ON THE INSTRUCTIONS TO THE FORM 990. BIRJINIUK, M.D., VLADIMIR - CHAIR CARDIOVASCULAR SURGERY - MOUNT AUBURN PROFESSIONAL SERVICES, INC. OTHER REPORTABLE COMPENSATION INCLUDES PAYMENT FOR A TAXABLE INSURANCE BENEFIT IN THE AMOUNTS OF $29,841. BORGES, M.D., LAWRENCE - PHYSICIAN, INTERNAL MEDICINE/GASTROENTEROLOGY - MOUNT AUBURN PROFESSIONAL SERVICES, INC. FIELDS, M.D., ROBERT UNLESS OTHERWISE NOTED BELOW, DR. FIELDS HELD THE FOLLOWING POSITIONS DURING FISCAL YEAR ENDING SEPTEMBER 30, 2024: - EXECUTIVE VICE PRESIDENT, CHIEF CLINICAL OFFICER - BETH ISRAEL LAHEY HEALTH, INC. - TRUSTEE (CEO DESIGNEE) - CAB HEALTH AND RECOVERY SERVICES, INC. - TERM BEGAN ON OCTOBER 31, 2023 - TRUSTEE (CEO DESIGNEE) - HEALTH AND EDUCATION HOUSING SERVICES, INC. - TERM BEGAN ON OCTOBER 31, 2023 - TRUSTEE (EX-OFFICIO, CEO DESIGNEE) - NORTHEAST BEHAVIORAL HEALTH CORPORATION - TERM BEGAN ON OCTOBER 31, 2023 - CHAIR &amp; TRUSTEE (EX-OFFICIO) - BETH ISRAEL LAHEY HEALTH PHARMACY, INC. - TERM BEGAN ON MARCH 4, 2024 - PRESIDENT, BOARD CHAIR &amp; TRUSTEE (EX-OFFICIO) - BETH ISRAEL LAHEY HEALTH PRIMARY CARE, INC. - TERM BEGAN ON MARCH 29, 2024 - PRESIDENT, BOARD CHAIR &amp; TRUSTEE (EX-OFFICIO) - MEDICAL CARE OF BOSTON MANAGEMENT CORPORATION D/B/A BETH ISRAEL LAHEY HEALTH PRIMARY CARE A/K/A AFFILIATED PHYSICIANS GROUP - TERM BEGAN ON MARCH 29, 2024 - PRESIDENT, BILH PRIMARY CARE NETWORK - NORTHEAST MEDICAL PRACTICE, INC. (NOW KNOWN AS BETH ISRAEL LAHEY HEALTH SPECIALTY CARE, INC.) - TERM BEGAN ON MARCH 29, 2024 - PRESIDENT BILH PRIMARY CARE NETWORK - MOUNT AUBURN PROFESSIONAL SERVICES, INC. - TERM BEGAN ON MARCH 29, 2024 AS REQUIRED IN THIS FORM 990, COMPENSATION REPORTED HERE IS CALENDAR YEAR 2023 COMPENSATION. BASE COMPENSATION, INCENTIVE COMPENSATION, OTHER REPORTABLE COMPENSATION, DEFERRED COMPENSATION AND NON-TAXABLE BENEFITS ARE REPORTED AS REQUIRED IN FORM 990, SCHEDULE J. AS REPORTED IN THE PRIOR FORM 990, DR. FIELDS COMMENCED HIS POSITION AS EXECUTIVE VICE PRESIDENT AND CHIEF CLINICAL OFFICER FOR BETH ISRAEL LAHEY HEALTH ON MARCH 13, 2023. OTHER REPORTABLE COMPENSATION INCLUDES PAYMENTS FOR TEMPORARY HOUSING IN THE AMOUNT OF $70,190. FISHMAN, AARON UNLESS OTHERWISE NOTED MR. FISHMAN SERVED IN THE FOLLOWING ROLES DURING THE PERIOD ENDED SEPTEMBER 30, 2024: MR. FISHMAN'S TERM BEGAN IN THE FOLLOWING POSITIONS ON MARCH 10, 2024: - CHIEF FINANCIAL OFFICER - NORTHEAST MEDICAL PRACTICE, INC. (NOW KNOWN AS BETH ISRAEL LAHEY HEALTH SPECIALTY CARE, INC.) - ASSISTANT TREASURER, TRUSTEE, &amp; CHIEF FINANCIAL OFFICER - BETH ISRAEL LAHEY HEALTH PRIMARY CARE, INC. - ASSISTANT TREASURER &amp; TRUSTEE - MEDICAL CARE OF BOSTON MANAGEMENT CORPORATION D/B/A BETH ISRAEL LAHEY HEALTH PRIMARY CARE A/K/A AFFILIATED PHYSICIANS GROUP - CHIEF FINANCIAL OFFICER - COMMUNITY PHYSICIANS ASSOCIATES, INC. MR. FISHMAN'S TERM ENDED IN THE FOLLOWING POSITIONS ON MARCH 9, 2024 - ASSISTANT TREASURER (EX-OFFICIO) &amp; CHIEF FINANCIAL OFFICER - MOUNT AUBURN HOSPITAL - ASSISTANT TREASURER (EX-OFFICIO) &amp; CHIEF FINANCIAL OFFICER - MOUNT AUBURN PROFESSIONAL SERVICES, INC. AS REQUIRED IN FORM 990, COMPENSATION REPORTED HERE IS CALENDAR YEAR 2023 COMPENSATION. BASE COMPENSATION, INCENTIVE COMPENSATION, OTHER REPORTABLE COMPENSATION, DEFERRED COMPENSATION AND NON-TAXABLE BENEFITS ARE REPORTED AS REQUIRED IN FORM 990, SCHEDULE J. DEFERRED COMPENSATION IN THE AMOUNT OF $30,000 IS INCLUDED IN THIS FILING FOR MR. FISHMAN. THAT AMOUNT RELATES TO A MILESTONE PAYMENT WHICH, AS OF DECEMBER 31, 2023, WAS NOT FUNDED, WAS NOT VESTED AND FOR WHICH THERE WAS NO GUARANTEE OF PAYMENT. THIS AMOUNT IS INCLUDED HERE AS DEFERRED COMPENSATION AS REQUIRED BASED ON THE INSTRUCTIONS TO THE FORM 990. GEVITZ, ESQ., KATHRYN - ASSISTANT GENERAL COUNSEL - BETH ISRAEL LAHEY HEALTH, INC. - ASSISTANT CLERK (EX-OFFICIO) - MOUNT AUBURN HOSPITAL - ASSISTANT CLERK (EX-OFFICIO) - MOUNT AUBURN PROFESSIONAL SERVICES, INC. MS. GEVITZ SERVED IN THE POSITIONS ABOVE DURING THE FISCAL YEAR ENDED SEPTEMBER 30, 2024. AS REQUIRED IN THIS FORM 990, COMPENSATION REPORTED HERE IS CALENDAR YEAR 2022 COMPENSATION. BASE COMPENSATION, INCENTIVE COMPENSATION, OTHER REPORTABLE COMPENSATION, DEFERRED COMPENSATION AND NON-TAXABLE BENEFITS ARE REPORTED AS REQUIRED IN FORM 990, SCHEDULE J. GOLEN, M.D., TONI - CHIEF MEDICAL OFFICER - MOUNT AUBURN HOSPITAL - CHIEF MEDICAL OFFICER, SPECIALTY CARE - MOUNT AUBURN PROFESSIONAL SERVICES, INC. MS. GOLEN SERVED IN THE POSITIONS ABOVE DURING THE FISCAL YEAR ENDED SEPTEMBER 30, 2024. AS REQUIRED IN THIS FORM 990, COMPENSATION REPORTED HERE IS CALENDAR YEAR 2023 COMPENSATION. BASE COMPENSATION, INCENTIVE COMPENSATION, OTHER REPORTABLE COMPENSATION, DEFERRED COMPENSATION AND NON-TAXABLE BENEFITS ARE REPORTED AS REQUIRED IN FORM 990, SCHEDULE J GUARINO, RICHARD - FORMER SENIOR VICE PRESIDENT, CHIEF OPERATING OFFICER &amp; INTERIM VICE PRESIDENT, CHIEF MEDICAL OFFICER - MOUNT AUBURN HOSPITAL - FORMER SENIOR VICE PRESIDENT, CHIEF OPERATING OFFICER &amp; INTERIM VICE PRESIDENT, CHIEF MEDICAL OFFICER - MOUNT AUBURN PROFESSIONAL SERVICES, INC. MR. GUARINO SERVED IN THE POSITIONS ABOVE DURING PRIOR FISCAL PERIOD. AS REQUIRED IN THIS FORM 990, COMPENSATION REPORTED HERE IS CALENDAR YEAR 2023 COMPENSATION. BASE COMPENSATION, INCENTIVE COMPENSATION, OTHER REPORTABLE COMPENSATION, DEFERRED COMPENSATION AND NON-TAXABLE BENEFITS ARE REPORTED AS REQUIRED IN FORM 990, SCHEDULE J. OTHER REPORTABLE COMPENSATION FOR MR. GUARINO INCLUDES SEVERANCE PAYMENTS RECEIVED IN 2023 IN THE AMOUNT OF $350,002. DEFERRED COMPENSATION FOR MR. GUARINO INCLUDES DEFERRED SEVERANCE PAYMENTS IN THE AMOUNT OF $13,462 TO BE PAID AFTER DECEMBER 31, 2023. HUANG, M.D., EDWIN UNLESS OTHERWISE NOTED BELOW, DR. HUANG HELD THE FOLLOWING POSITIONS FOR THE FULL FISCAL PERIOD ENDING SEPTEMBER 30, 2024: - TRUSTEE (EX-OFFICIO) AND PRESIDENT - MOUNT AUBURN HOSPITAL - TRUSTEE (EX-OFFICIO) AND PRESIDENT - MOUNT AUBURN PROFESSIONAL SERVICES, INC. AS REQUIRED IN THIS FORM 990, COMPENSATION REPORTED HERE IS CALENDAR YEAR 2023 COMPENSATION. BASE COMPENSATION, INCENTIVE COMPENSATION, OTHER REPORTABLE COMPENSATION, DEFERRED COMPENSATION AND NON-TAXABLE BENEFITS ARE REPORTED AS REQUIRED IN FORM 990, SCHEDULE J.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE J FOOTNOTES (CONTINUED):</FormAndLineReferenceDesc>
        <ExplanationTxt>JOHNSON, M.D., M.S., FACP, ELIZABETH H. UNLESS OTHERWISE NOTED BELOW, DR. JOHNSON'S TERM ENDED IN THE FOLLOWING POSITIONS ON JUNE 28, 2024: - PRESIDENT, BETH ISRAEL LAHEY HEALTH PRIMARY CARE NETWORK - BETH ISRAEL LAHEY HEALTH, INC. - PRESIDENT, BETH ISRAEL LAHEY HEALTH PRIMARY CARE NETWORK - LAHEY CLINIC, INC. - PRESIDENT, BETH ISRAEL LAHEY HEALTH PRIMARY CARE NETWORK - LAHEY CLINIC HOSPITAL, INC. D/B/A LAHEY HOSPITAL &amp; MEDICAL CENTER - PRESIDENT, BOARD CHAIR, &amp; TRUSTEE (EX-OFFICIO) - MEDICAL CARE OF BOSTON MANAGEMENT CORPORATION D/B/A BETH ISRAEL LAHEY HEALTH PRIMARY CARE A/K/A AFFILIATED PHYSICIANS GROUP - PRESIDENT, BOARD CHAIR, &amp; TRUSTEE (EX-OFFICIO) - BETH ISRAEL LAHEY HEALTH PRIMARY CARE, INC. - PRESIDENT, BETH ISRAEL LAHEY HEALTH PRIMARY CARE NETWORK - MOUNT AUBURN PROFESSIONAL SERVICES, INC. - PRESIDENT, BETH ISRAEL LAHEY HEALTH PRIMARY CARE NETWORK - NORTHEAST MEDICAL PRACTICE, INC. (NOW KNOWN AS BETH ISRAEL LAHEY HEALTH SPECIALTY CARE, INC.) AS REQUIRED IN THIS FORM 990, COMPENSATION REPORTED HERE IS CALENDAR YEAR 2023 COMPENSATION. BASE COMPENSATION, INCENTIVE COMPENSATION, OTHER REPORTABLE COMPENSATION, DEFERRED COMPENSATION AND NON-TAXABLE BENEFITS ARE REPORTED AS REQUIRED IN FORM 990, SCHEDULE J. DEFERRED COMPENSATION INCLUDES AN UNVESTED CONTRIBUTION TO A NON-QUALIFIED PLAN IN THE AMOUNT OF $49,390. KATZ, ESQ., JAMIE UNLESS OTHERWISE NOTED BELOW, MR. KATZ HELD THE FOLLOWING POSITIONS FOR THE FULL FISCAL PERIOD ENDED SEPTEMBER 30, 2024: - GENERAL COUNSEL AND CLERK (EX-OFFICIO) - BETH ISRAEL LAHEY HEALTH, INC. - CLERK (EX-OFFICIO) - BETH ISRAEL DEACONESS MEDICAL CENTER, INC. - CLERK (EX-OFFICIO) - BETH ISRAEL DEACONESS HOSPITAL NEEDHAM, INC. - CLERK (EX-OFFICIO) - MOUNT AUBURN HOSPITAL - CLERK (EX-OFFICIO) - NEW ENGLAND BAPTIST HOSPITAL - CLERK (EX-OFFICIO) - BETH ISRAEL DEACONESS HOSPITAL MILTON, INC. - CLERK - COMMUNITY PHYSICIANS ASSOCIATES, INC. - CLERK - BID - MILTON PHYSICIAN ASSOCIATES, INC. - CLERK (EX-OFFICIO) - BETH ISRAEL DEACONESS HOSPITAL PLYMOUTH, INC. - CLERK - JORDAN PHYSICIAN ASSOCIATES, INC. - CLERK - THE JORDAN HEALTH SYSTEMS, INC. - CLERK (EX-OFFICIO) - ANNA JAQUES HOSPITAL - CLERK - SEACOAST AFFILIATED GROUP PRACTICE, INC. - TRUSTEE AND CLERK (EX-OFFICIO) - LAHEY HEALTH SHARED SERVICES, INC. - TRUSTEE AND CLERK (EX-OFFICIO) - ADDISON GILBERT SOCIETY, INC. - TRUSTEE (EX-OFFICIO) AND CLERK (EX-OFFICIO) - NORTHEAST HEALTH SYSTEM, INC. - TRUSTEE AND CLERK (EX-OFFICIO) - NORTHEAST SENIOR HEALTH CORPORATION - TRUSTEE (EX-OFFICIO) AND CLERK (EX-OFFICIO) - NORTHEAST BEHAVIORAL HEALTH CORPORATION - TRUSTEE AND CLERK (EX-OFFICIO) - SEACOAST NURSING AND REHABILITATION CENTER, INC. - TRUSTEE AND CLERK (EX-OFFICIO) - WINCHESTER HOSPITAL FOUNDATION, INC. - CLERK - WINCHESTER HEALTHCARE MANAGEMENT, INC. - CLERK (EX-OFFICIO) - LAHEY CLINIC FOUNDATION, INC. - CLERK - LAHEY CLINIC, INC. - CLERK - LAHEY CLINIC HOSPITAL, INC. D/B/A LAHEY HOSPITAL &amp; MEDICAL CENTER - CLERK (EX-OFFICIO) - NORTHEAST HOSPITAL CORPORATION - TRUSTEE AND CLERK (EX-OFFICIO) - NORTHEAST MEDICAL PRACTICE INC. (NOW KNOWN AS BETH ISRAEL LAHEY HEALTH SPECIALTY CARE, INC.) - TRUSTEE AND CLERK - CAB HEALTH AND RECOVERY SERVICES, INC. - TRUSTEE AND CLERK - HEALTH AND EDUCATION HOUSING SERVICES, INC. - CLERK (EX-OFFICIO) - WINCHESTER HOSPITAL - CLERK - JOSLIN CLINIC, INC. - CLERK (EX-OFFICIO) - JOSLIN DIABETES CENTER, INC. - CLERK (EX-OFFICIO) - MOUNT AUBURN PROFESSIONAL SERVICES, INC. - CLERK - MEDICAL CARE OF BOSTON MANAGEMENT CORPORATION D/B/A BETH ISRAEL LAHEY HEALTH PRIMARY CARE A/K/A AFFILIATED PHYSICIANS GROUP - CLERK (EX-OFFICIO) - BETH ISRAEL LAHEY HEALTH PHARMACY, INC. - CLERK (EX-OFFICIO) - BETH ISRAEL LAHEY HEALTH PRIMARY CARE, INC. - CLERK (EX-OFFICIO) - EXETER HEALTH RESOURCES, INC. - CLERK - EXETER HOSPITAL, INC. - CLERK (EX-OFFICIO) - CORE PHYSICIANS, LLC AS REQUIRED IN THIS FORM 990, COMPENSATION REPORTED HERE IS CALENDAR YEAR 2023 COMPENSATION. BASE COMPENSATION, INCENTIVE COMPENSATION, OTHER REPORTABLE COMPENSATION, DEFERRED COMPENSATION AND NON-TAXABLE BENEFITS ARE REPORTED AS REQUIRED IN FORM 990, SCHEDULE J. OTHER REPORTABLE COMPENSATION FOR MR. KATZ INCLUDES COMBINED PAYMENTS FROM NON-QUALIFIED RETIREMENT PLANS IN THE AMOUNT OF $76,930. IN ADDITION, MR. KATZ OTHER REPORTABLE COMPENSATION INCLUDES PAYMENTS FOR GROUP TERM LIFE INSURANCE IN THE AMOUNTS OF $29,355.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE J FOOTNOTES (CONTINUED):</FormAndLineReferenceDesc>
        <ExplanationTxt>NGUYEN, M.D., NICOLAS DR. NGUYEN'S TERM BEGAN IN THE FOLLOWING ROLES ON JANUARY 1, 2024: - CHIEF MEDICAL OFFICER AND SENIOR VICE PRESIDENT - BETH ISRAEL LAHEY HEALTH PRIMARY CARE BOSTON REGION INCLUDING: - MEDICAL CARE OF BOSTON MANAGEMENT CORPORATION D/B/A BETH ISRAEL LAHEY HEALTH PRIMARY CARE A/K/A AFFILIATED PHYSICIANS GROUP - MOUNT AUBURN PROFESSIONAL SERVICES, INC. PRIOR TO JANUARY 1, 2024, DR. NGUYEN SERVED IN THE FOLLOWING ROLES: - ASSOCIATE CHIEF MEDICAL OFFICER, SOUTHERN REGION - BETH ISRAEL LAHEY HEALTH PRIMARY CARE INCLUDING - MEDICAL CARE OF BOSTON MANAGEMENT CORPORATION D/B/A BETH ISRAEL LAHEY HEALTH PRIMARY CARE A/K/A AFFILIATED PHYSICIANS GROUP - MOUNT AUBURN PROFESSIONAL SERVICES, INC. AS REQUIRED IN THIS FORM 990, COMPENSATION REPORTED HERE IS CALENDAR YEAR 2023 COMPENSATION. BASE COMPENSATION, INCENTIVE COMPENSATION, OTHER REPORTABLE COMPENSATION, DEFERRED COMPENSATION AND NON-TAXABLE BENEFITS ARE REPORTED AS REQUIRED IN FORM 990, SCHEDULE J. RIOS, CINDY MS. RIOS SERVED IN THE FOLLOWING POSITIONS FOR THE FISCAL YEAR ENDING SEPTEMBER 30, 2024: - EXECUTIVE VICE PRESIDENT, CHIEF FINANCIAL OFFICER &amp; TREASURER (EX-OFFICIO) - BETH ISRAEL LAHEY HEALTH, INC. - TREASURER - MEDICAL CARE OF BOSTON MANAGEMENT CORPORATION D/B/A BETH ISRAEL LAHEY HEALTH PRIMARY CARE A/K/A AFFILIATED PHYSICIANS GROUP - TREASURER - NORTHEAST PROFESSIONAL REGISTRY OF NURSES, INC. - TRUSTEE &amp; TREASURER - CAB HEALTH AND RECOVERY SERVICES, INC. - TREASURER (EX-OFFICIO) - ANNA JAQUES HOSPITAL, INC. - TREASURER (EX-OFFICIO) - BETH ISRAEL DEACONESS MEDICAL CENTER, INC. - TREASURER (EX-OFFICIO) - BETH ISRAEL DEACONESS HOSPITAL MILTON, INC. - TREASURER - BID - MILTON PHYSICIAN ASSOCIATES, INC. - TREASURER (EX-OFFICIO) - BETH ISRAEL DEACONESS HOSPITAL NEEDHAM, INC. - TREASURER (EX-OFFICIO) - BETH ISRAEL DEACONESS HOSPITAL PLYMOUTH, INC. - TREASURER (EX-OFFICIO) - BETH ISRAEL LAHEY HEALTH PHARMACY, INC. - TREASURER (EX-OFFICIO) - BETH ISRAEL LAHEY HEALTH PRIMARY CARE, INC. - TREASURER - COMMUNITY PHYSICIANS ASSOCIATES, INC. - TREASURER - JOSLIN CLINIC, INC. - TREASURER (EX-OFFICIO) - JOSLIN DIABETES CENTER, INC. - TREASURER - THE JORDAN HEALTH SYSTEMS, INC. - TREASURER - JORDAN PHYSICIAN ASSOCIATES, INC. - TREASURER (EX-OFFICIO) - LAHEY CLINIC FOUNDATION, INC. - TREASURER - LAHEY CLINIC HOSPITAL, INC. D/B/A LAHEY HOSPITAL &amp; MEDICAL CENTER - TREASURER - LAHEY CLINIC, INC. - TREASURER (EX-OFFICIO) - MOUNT AUBURN HOSPITAL - TREASURER (EX-OFFICIO) - MOUNT AUBURN PROFESSIONAL SERVICES, INC. - TREASURER (EX-OFFICIO) - NEW ENGLAND BAPTIST HOSPITAL - TREASURER (EX-OFFICIO) - NORTHEAST HOSPITAL CORPORATION - TREASURER - SEACOAST AFFILIATED GROUP PRACTICE, INC. - TRUSTEE &amp; TREASURER (EX-OFFICIO) - WINCHESTER HOSPITAL FOUNDATION, INC. - TREASURER - WINCHESTER HEALTHCARE MANAGEMENT, INC. - TRUSTEE &amp; TREASURER (EX-OFFICIO) - ADDISON GILBERT SOCIETY, INC. - TRUSTEE &amp; TREASURER - HEALTH AND EDUCATION HOUSING SERVICES, INC. - TRUSTEE &amp; TREASURER - LAHEY HEALTH SHARED SERVICES, INC. - TRUSTEE &amp; TREASURER (EX-OFFICIO) - NORTHEAST BEHAVIORAL HEALTH CORPORATION - TRUSTEE &amp; TREASURER (EX-OFFICIO) - NORTHEAST HEALTH SYSTEM, INC. - TRUSTEE &amp; TREASURER (EX-OFFICIO) - NORTHEAST MEDICAL PRACTICE, INC. (NOW KNOWN AS BETH ISRAEL LAHEY HEALTH SPECIALTY CARE, INC.) - TRUSTEE &amp; TREASURER (EX-OFFICIO) - NORTHEAST SENIOR HEALTH CORPORATION - TRUSTEE &amp; TREASURER (EX-OFFICIO) - SEACOAST NURSING &amp; REHABILITATION CENTER, INC. - TREASURER (EX-OFFICIO) - WINCHESTER HOSPITAL - TREASURER (EX-OFFICIO) - EXETER HEALTH RESOURCES, INC. - TREASURER - EXETER HOSPITAL, INC. - TREASURER - EXETER MED REAL, INC. - TRUSTEE &amp; TREASURER (EX-OFFICIO) - ROCKINGHAM VISITING NURSE ASSOC AND HOSPICE - TREASURER (EX-OFFICIO) - CORE PHYSICIANS, LLC AS REQUIRED IN THIS FORM 990, COMPENSATION REPORTED HERE IS CALENDAR YEAR 2023 COMPENSATION. BASE COMPENSATION, INCENTIVE COMPENSATION, OTHER REPORTABLE COMPENSATION, DEFERRED COMPENSATION AND NON-TAXABLE BENEFITS ARE REPORTED AS REQUIRED IN FORM 990, SCHEDULE J. DEFERRED COMPENSATION IN THE AMOUNT OF $125,000 RELATES TO A MILESTONE PAYMENT WHICH, AS OF DECEMBER 31, 2023, WAS NOT FUNDED, WAS NOT VESTED AND FOR WHICH THERE WAS NO GUARANTEE OF PAYMENT. THIS AMOUNT IS INCLUDED HERE AS DEFERRED COMPENSATION AS REQUIRED BASED ON THE INSTRUCTIONS TO THE FORM 990. IN ADDITION, DEFERRED COMPENSATION INCLUDES AN UNVESTED CONTRIBUTION TO A NON-QUALIFIED PLAN IN THE AMOUNT OF $52,757. SILVER, M.D., TERRI - PLASTIC SURGEON - MOUNT AUBURN PROFESSIONAL SERVICES, INC. SMITH, MBA, BRIAN - ASSISTANT TREASURER (EX-OFFICIO), CHIEF FINANCIAL OFFICER - BETH ISRAEL DEACONESS HOSPITAL NEEDHAM, INC. - TERM ENDED ON MARCH 9, 2024 - ASSISTANT TREASURER (EX-OFFICIO) &amp; CHIEF FINANCIAL OFFICER - NEW ENGLAND BAPTIST HOSPITAL - TREASURER (EX-OFFICIO) &amp; CHIEF FINANCIAL OFFICER - NEW ENGLAND BAPTIST MEDICAL ASSOCIATES, INC. - ASSISTANT TREASURER (EX-OFFICIO) &amp; CHIEF FINANCIAL OFFICER - MOUNT AUBURN HOSPITAL - TERM BEGAN ON MARCH 10, 2024 - ASSISTANT TREASURER (EX-OFFICIO) &amp; CHIEF FINANCIAL OFFICER - MOUNT AUBURN PROFESSIONAL SERVICES, INC. - TERM BEGAN ON MARCH 10, 2024 UNLESS OTHERWISE NOTED, MR. SMITH SERVED IN THE POSITIONS ABOVE FOR THE FULL FISCAL YEAR ENDED SEPTEMBER 30, 2024. AS REQUIRED IN THIS FORM 990, COMPENSATION REPORTED HERE IS CALENDAR YEAR 2023 COMPENSATION. BASE COMPENSATION, INCENTIVE COMPENSATION, OTHER REPORTABLE COMPENSATION, DEFERRED COMPENSATION AND NON-TAXABLE BENEFITS ARE REPORTED AS REQUIRED IN FORM 990, SCHEDULE J. WABLE, CHAD - FORMER PRESIDENT AND TRUSTEE (EX-OFFICIO) - MOUNT AUBURN HOSPITAL - FORMER PRESIDENT AND TRUSTEE (EX-OFFICIO) - MOUNT AUBURN PROFESSIONAL SERVICES, INC. MR. WABLE'S TERM ENDED IN THE ABOVE POSITIONS ON SEPTEMBER 30, 2022 DURING THE PRIOR FISCAL PERIOD. AS REQUIRED IN THIS FORM 990, COMPENSATION REPORTED HERE IS CALENDAR YEAR 2023 COMPENSATION. BASE COMPENSATION, INCENTIVE COMPENSATION, OTHER REPORTABLE COMPENSATION, DEFERRED COMPENSATION AND NON-TAXABLE BENEFITS ARE REPORTED AS REQUIRED IN FORM 990, SCHEDULE J. OTHER REPORTABLE COMPENSATION FOR MR. WABLE INCLUDES SEVERANCE PAYMENTS RECEIVED IN 2023 IN THE AMOUNT OF $500,000. A PORTION OF THAT AMOUNT WAS REPORTED AS DEFERRED COMPENSATION IN THE PRIOR YEAR FORM 990. DEFERRED COMPENSATION FOR MR. WABLE INCLUDES DEFERRED SEVERANCE PAYMENTS IN THE AMOUNT OF $38,462 TO BE PAID AFTER DECEMBER 31, 2023. ZANDMAN, M.D., DANIEL - PHYSICIAN, GASTROENTEROLOGY - MOUNT AUBURN PROFESSIONAL SERVICES, INC. INCENTIVE COMPENSATION FOR DR. ZANDMAN INCLUDES A MILESTONE PAYMENT IN THE AMOUNT OF $10,000.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleK documentId="RetDoc1053100001">
      <TaxExemptBondsIssuesGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <IssuerName>
          <BusinessNameLine1Txt>MASSACHUSETTS DEVELOPMENT FINANCE AGENCY</BusinessNameLine1Txt>
        </IssuerName>
        <BondIssuerEIN>043431814</BondIssuerEIN>
        <CUSIPNum>57584Y7K9</CUSIPNum>
        <BondIssuedDt>2023-12-12</BondIssuedDt>
        <IssuePriceAmt>442970000</IssuePriceAmt>
        <PurposeDesc>MDFA - SERIES 2023M - SEE PART VI</PurposeDesc>
        <DefeasedInd>0</DefeasedInd>
        <OnBehalfOfIssuerInd>0</OnBehalfOfIssuerInd>
        <PoolFinancingInd>0</PoolFinancingInd>
      </TaxExemptBondsIssuesGrp>
      <TaxExemptBondsIssuesGrp>
        <BondReferenceCd>B</BondReferenceCd>
        <IssuerName>
          <BusinessNameLine1Txt>MASSACHUSETTS DEVELOPMENT FINANCE AGENCY</BusinessNameLine1Txt>
        </IssuerName>
        <BondIssuerEIN>043431814</BondIssuerEIN>
        <CUSIPNum>57584YTK5</CUSIPNum>
        <BondIssuedDt>2019-07-31</BondIssuedDt>
        <IssuePriceAmt>211922775</IssuePriceAmt>
        <PurposeDesc>MDFA - SERIES 2019K - SEE PART VI</PurposeDesc>
        <DefeasedInd>0</DefeasedInd>
        <OnBehalfOfIssuerInd>0</OnBehalfOfIssuerInd>
        <PoolFinancingInd>0</PoolFinancingInd>
      </TaxExemptBondsIssuesGrp>
      <TaxExemptBondsIssuesGrp>
        <BondReferenceCd>C</BondReferenceCd>
        <IssuerName>
          <BusinessNameLine1Txt>MASSACHUSETTS DEVELOPMENT FINANCE AGENCY</BusinessNameLine1Txt>
        </IssuerName>
        <BondIssuerEIN>043431814</BondIssuerEIN>
        <CUSIPNum>57584YJW0</CUSIPNum>
        <BondIssuedDt>2018-06-26</BondIssuedDt>
        <IssuePriceAmt>479594374</IssuePriceAmt>
        <PurposeDesc>MDFA - SERIES 2018J-1,J-2 - SEE PART VI</PurposeDesc>
        <DefeasedInd>0</DefeasedInd>
        <OnBehalfOfIssuerInd>0</OnBehalfOfIssuerInd>
        <PoolFinancingInd>0</PoolFinancingInd>
      </TaxExemptBondsIssuesGrp>
      <TaxExemptBondsIssuesGrp>
        <BondReferenceCd>D</BondReferenceCd>
        <IssuerName>
          <BusinessNameLine1Txt>MASSACHUSETTS DEVELOPMENT FINANCE AGENCY</BusinessNameLine1Txt>
        </IssuerName>
        <BondIssuerEIN>043431814</BondIssuerEIN>
        <CUSIPNum>57584XMT5</CUSIPNum>
        <BondIssuedDt>2016-05-12</BondIssuedDt>
        <IssuePriceAmt>257611877</IssuePriceAmt>
        <PurposeDesc>MDFA - SERIES 2016I - SEE PART VI</PurposeDesc>
        <DefeasedInd>0</DefeasedInd>
        <OnBehalfOfIssuerInd>0</OnBehalfOfIssuerInd>
        <PoolFinancingInd>0</PoolFinancingInd>
      </TaxExemptBondsIssuesGrp>
      <TaxExemptBondsProceedsGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <TotalProceedsAmt>452893704</TotalProceedsAmt>
        <IssuanceCostsFromProceedsAmt>3559000</IssuanceCostsFromProceedsAmt>
        <CapitalExpendituresAmt>305961081</CapitalExpendituresAmt>
        <UnspentAmt>143373623</UnspentAmt>
        <RefundingTaxExemptBondsInd>0</RefundingTaxExemptBondsInd>
        <RefundingTaxableBondsInd>0</RefundingTaxableBondsInd>
        <FinalAllocationMadeInd>0</FinalAllocationMadeInd>
        <AdequateBooksAndRecMaintInd>1</AdequateBooksAndRecMaintInd>
      </TaxExemptBondsProceedsGrp>
      <TaxExemptBondsProceedsGrp>
        <BondReferenceCd>B</BondReferenceCd>
        <RetiredAmt>33635000</RetiredAmt>
        <TotalProceedsAmt>211922775</TotalProceedsAmt>
        <IssuanceCostsFromProceedsAmt>2931137</IssuanceCostsFromProceedsAmt>
        <CapitalExpendituresAmt>19714020</CapitalExpendituresAmt>
        <OtherSpentProceedsAmt>189277618</OtherSpentProceedsAmt>
        <SubstantialCompletionYr>2019</SubstantialCompletionYr>
        <RefundingTaxExemptBondsInd>0</RefundingTaxExemptBondsInd>
        <RefundingTaxableBondsInd>0</RefundingTaxableBondsInd>
        <FinalAllocationMadeInd>1</FinalAllocationMadeInd>
        <AdequateBooksAndRecMaintInd>1</AdequateBooksAndRecMaintInd>
      </TaxExemptBondsProceedsGrp>
      <TaxExemptBondsProceedsGrp>
        <BondReferenceCd>C</BondReferenceCd>
        <RetiredAmt>17085000</RetiredAmt>
        <TotalProceedsAmt>504358641</TotalProceedsAmt>
        <IssuanceCostsFromProceedsAmt>4594374</IssuanceCostsFromProceedsAmt>
        <CapitalExpendituresAmt>499764267</CapitalExpendituresAmt>
        <SubstantialCompletionYr>2021</SubstantialCompletionYr>
        <RefundingTaxExemptBondsInd>0</RefundingTaxExemptBondsInd>
        <RefundingTaxableBondsInd>0</RefundingTaxableBondsInd>
        <FinalAllocationMadeInd>1</FinalAllocationMadeInd>
        <AdequateBooksAndRecMaintInd>1</AdequateBooksAndRecMaintInd>
      </TaxExemptBondsProceedsGrp>
      <TaxExemptBondsProceedsGrp>
        <BondReferenceCd>D</BondReferenceCd>
        <RetiredAmt>61215000</RetiredAmt>
        <TotalProceedsAmt>257618370</TotalProceedsAmt>
        <IssuanceCostsFromProceedsAmt>2515889</IssuanceCostsFromProceedsAmt>
        <CapitalExpendituresAmt>19006493</CapitalExpendituresAmt>
        <OtherSpentProceedsAmt>236095988</OtherSpentProceedsAmt>
        <SubstantialCompletionYr>2016</SubstantialCompletionYr>
        <RefundingTaxExemptBondsInd>0</RefundingTaxExemptBondsInd>
        <RefundingTaxableBondsInd>1</RefundingTaxableBondsInd>
        <FinalAllocationMadeInd>1</FinalAllocationMadeInd>
        <AdequateBooksAndRecMaintInd>1</AdequateBooksAndRecMaintInd>
      </TaxExemptBondsProceedsGrp>
      <TaxExemptBondsPrivateBusUseGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <OwningBondFinancedPropertyInd>0</OwningBondFinancedPropertyInd>
        <AnyLeaseArrangementsInd>0</AnyLeaseArrangementsInd>
        <MgmtContractBondFincdPropInd>0</MgmtContractBondFincdPropInd>
        <AnyResearchAgreementsInd>0</AnyResearchAgreementsInd>
        <PrivateBusUseByOthersPct>0.00000</PrivateBusUseByOthersPct>
        <PrivateBusConcerningUBIPct>0.00000</PrivateBusConcerningUBIPct>
        <TotalPrivateBusinessUsePct>0.00000</TotalPrivateBusinessUsePct>
        <BondIssMeetPrvtSecPymtTestInd>0</BondIssMeetPrvtSecPymtTestInd>
        <ChangeInUseBondFinancedPropInd>0</ChangeInUseBondFinancedPropInd>
        <ProcsNonqualifiedBondRemdtdInd>1</ProcsNonqualifiedBondRemdtdInd>
      </TaxExemptBondsPrivateBusUseGrp>
      <TaxExemptBondsPrivateBusUseGrp>
        <BondReferenceCd>B</BondReferenceCd>
        <OwningBondFinancedPropertyInd>0</OwningBondFinancedPropertyInd>
        <AnyLeaseArrangementsInd>1</AnyLeaseArrangementsInd>
        <MgmtContractBondFincdPropInd>1</MgmtContractBondFincdPropInd>
        <EngageBondCounselContractsInd>1</EngageBondCounselContractsInd>
        <AnyResearchAgreementsInd>0</AnyResearchAgreementsInd>
        <PrivateBusUseByOthersPct>0.00000</PrivateBusUseByOthersPct>
        <PrivateBusConcerningUBIPct>0.00000</PrivateBusConcerningUBIPct>
        <TotalPrivateBusinessUsePct>0.00000</TotalPrivateBusinessUsePct>
        <BondIssMeetPrvtSecPymtTestInd>0</BondIssMeetPrvtSecPymtTestInd>
        <ChangeInUseBondFinancedPropInd>0</ChangeInUseBondFinancedPropInd>
        <ProcsNonqualifiedBondRemdtdInd>1</ProcsNonqualifiedBondRemdtdInd>
      </TaxExemptBondsPrivateBusUseGrp>
      <TaxExemptBondsPrivateBusUseGrp>
        <BondReferenceCd>C</BondReferenceCd>
        <OwningBondFinancedPropertyInd>0</OwningBondFinancedPropertyInd>
        <AnyLeaseArrangementsInd>1</AnyLeaseArrangementsInd>
        <MgmtContractBondFincdPropInd>1</MgmtContractBondFincdPropInd>
        <EngageBondCounselContractsInd>1</EngageBondCounselContractsInd>
        <AnyResearchAgreementsInd>1</AnyResearchAgreementsInd>
        <EngageBondCounselResearchInd>1</EngageBondCounselResearchInd>
        <PrivateBusUseByOthersPct>0.00000</PrivateBusUseByOthersPct>
        <PrivateBusConcerningUBIPct>0.00000</PrivateBusConcerningUBIPct>
        <TotalPrivateBusinessUsePct>0.00000</TotalPrivateBusinessUsePct>
        <BondIssMeetPrvtSecPymtTestInd>0</BondIssMeetPrvtSecPymtTestInd>
        <ChangeInUseBondFinancedPropInd>0</ChangeInUseBondFinancedPropInd>
        <ProcsNonqualifiedBondRemdtdInd>1</ProcsNonqualifiedBondRemdtdInd>
      </TaxExemptBondsPrivateBusUseGrp>
      <TaxExemptBondsPrivateBusUseGrp>
        <BondReferenceCd>D</BondReferenceCd>
        <OwningBondFinancedPropertyInd>0</OwningBondFinancedPropertyInd>
        <AnyLeaseArrangementsInd>1</AnyLeaseArrangementsInd>
        <MgmtContractBondFincdPropInd>1</MgmtContractBondFincdPropInd>
        <EngageBondCounselContractsInd>1</EngageBondCounselContractsInd>
        <AnyResearchAgreementsInd>0</AnyResearchAgreementsInd>
        <PrivateBusUseByOthersPct>0.00000</PrivateBusUseByOthersPct>
        <PrivateBusConcerningUBIPct>0.00000</PrivateBusConcerningUBIPct>
        <TotalPrivateBusinessUsePct>0.00000</TotalPrivateBusinessUsePct>
        <BondIssMeetPrvtSecPymtTestInd>0</BondIssMeetPrvtSecPymtTestInd>
        <ChangeInUseBondFinancedPropInd>0</ChangeInUseBondFinancedPropInd>
        <ProcsNonqualifiedBondRemdtdInd>1</ProcsNonqualifiedBondRemdtdInd>
      </TaxExemptBondsPrivateBusUseGrp>
      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <Form8038TFiledInd>0</Form8038TFiledInd>
        <RebateNotDueYetInd>1</RebateNotDueYetInd>
        <ExceptionToRebateInd>0</ExceptionToRebateInd>
        <NoRebateDueInd>0</NoRebateDueInd>
        <VariableRateIssueInd>0</VariableRateIssueInd>
        <HedgeIdentifiedInBksAndRecInd>0</HedgeIdentifiedInBksAndRecInd>
        <GrossProceedsInvestedInGICInd>0</GrossProceedsInvestedInGICInd>
        <GrossProceedsInvestedInd>0</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>1</WrittenProcToMonitorReqsInd>
      </TaxExemptBondsArbitrageGrp>
      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>B</BondReferenceCd>
        <Form8038TFiledInd>0</Form8038TFiledInd>
        <RebateNotDueYetInd>0</RebateNotDueYetInd>
        <ExceptionToRebateInd>1</ExceptionToRebateInd>
        <NoRebateDueInd>1</NoRebateDueInd>
        <VariableRateIssueInd>0</VariableRateIssueInd>
        <HedgeIdentifiedInBksAndRecInd>0</HedgeIdentifiedInBksAndRecInd>
        <GrossProceedsInvestedInGICInd>0</GrossProceedsInvestedInGICInd>
        <GrossProceedsInvestedInd>0</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>1</WrittenProcToMonitorReqsInd>
      </TaxExemptBondsArbitrageGrp>
      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>C</BondReferenceCd>
        <Form8038TFiledInd>0</Form8038TFiledInd>
        <RebateNotDueYetInd>0</RebateNotDueYetInd>
        <ExceptionToRebateInd>0</ExceptionToRebateInd>
        <NoRebateDueInd>1</NoRebateDueInd>
        <VariableRateIssueInd>0</VariableRateIssueInd>
        <HedgeIdentifiedInBksAndRecInd>0</HedgeIdentifiedInBksAndRecInd>
        <GrossProceedsInvestedInGICInd>0</GrossProceedsInvestedInGICInd>
        <GrossProceedsInvestedInd>1</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>1</WrittenProcToMonitorReqsInd>
      </TaxExemptBondsArbitrageGrp>
      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>D</BondReferenceCd>
        <Form8038TFiledInd>0</Form8038TFiledInd>
        <RebateNotDueYetInd>0</RebateNotDueYetInd>
        <ExceptionToRebateInd>0</ExceptionToRebateInd>
        <NoRebateDueInd>1</NoRebateDueInd>
        <VariableRateIssueInd>0</VariableRateIssueInd>
        <HedgeIdentifiedInBksAndRecInd>0</HedgeIdentifiedInBksAndRecInd>
        <GrossProceedsInvestedInGICInd>0</GrossProceedsInvestedInGICInd>
        <GrossProceedsInvestedInd>0</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>1</WrittenProcToMonitorReqsInd>
      </TaxExemptBondsArbitrageGrp>
      <ProceduresCorrectiveActionGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <ProceduresCorrectiveActionInd>1</ProceduresCorrectiveActionInd>
      </ProceduresCorrectiveActionGrp>
      <ProceduresCorrectiveActionGrp>
        <BondReferenceCd>B</BondReferenceCd>
        <ProceduresCorrectiveActionInd>1</ProceduresCorrectiveActionInd>
      </ProceduresCorrectiveActionGrp>
      <ProceduresCorrectiveActionGrp>
        <BondReferenceCd>C</BondReferenceCd>
        <ProceduresCorrectiveActionInd>1</ProceduresCorrectiveActionInd>
      </ProceduresCorrectiveActionGrp>
      <ProceduresCorrectiveActionGrp>
        <BondReferenceCd>D</BondReferenceCd>
        <ProceduresCorrectiveActionInd>1</ProceduresCorrectiveActionInd>
      </ProceduresCorrectiveActionGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>BOND A, ENTITY 1:</FormAndLineReferenceDesc>
        <ExplanationTxt>PART I, ROW A, COLUMN F: THE ISSUE'S PROCEEDS WILL BE USED TO FINANCE PROJECTS AND PAY ISSUANCE COSTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>BOND B, ENTITY 1:</FormAndLineReferenceDesc>
        <ExplanationTxt>PART I, ROW B, COLUMN F: FOR TAX PURPOSES (PURSUANT TO PROPOSED TREASURY REGULATIONS SECTION 1.150-1(D)(2)(II)(C)), THE ISSUE'S PROCEEDS OTHER THAN THOSE ALLOCATED TO COSTS OF ISSUANCE WERE ALLOCATED TO CAPITAL EXPENDITURES ON THE DATE OF CLOSING. THE PRESENTATION SHOWN HERE DEPARTS FROM THE TAX TREATMENT, REFLECTING THE CHARACTERIZATION OF THE TRANSACTION FOR OTHER PURPOSES, AND IS MORE IN ACCORDANCE TO THE FINANCIAL ACCOUNTING PRESENTATION. PART IV, COLUMN B, LINE 2C: ARBITRAGE REBATE CALCULATION PERFORMED ON 11/12/2024</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>BOND C, ENTITY 1:</FormAndLineReferenceDesc>
        <ExplanationTxt>PART I, ROW C, COLUMN F: THE ISSUE'S PURPOSE WAS TO FINANCE AN OUTPATIENT AMBULATORY CARE BUILDING, FACILITY UPGRADES, AND COMPUTER UPGRADES AT CERTAIN BIDMC AFFILIATES. PART II, COLUMN C, LINE 3: THE TOTAL PROCEEDS EXCEED THE ISSUE PRICE DUE TO THE $24,764,267 OF INVESTMENT EARNINGS. PART IV, COLUMN C, LINE 2C: FINAL REBATE CALCULATION SHOWING NO REBATE DUE COMPLETED ON 09/30/2023.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>BOND D, ENTITY 1:</FormAndLineReferenceDesc>
        <ExplanationTxt>PART I, ROW D, COLUMN F: THE ISSUE'S PURPOSE WAS TO FINANCE CAPITAL PROJECTS AND REFUND ISSUES DATED 6/9/2008; 7/13/2004; 2/11/1998. PART II, COLUMN D, LINE 3: THE TOTAL PROCEEDS EXCEED THE ISSUE PRICE DUE TO THE $6,493 OF INVESTMENT EARNINGS. PART II, COLUMN D, LINE 11: THE OTHER SPENT PROCEEDS ARE THE REFUNDING PROCEEDS OF THE ISSUE THAT ARE NO LONGER IN ESCROW. PART IV, COLUMN D, LINE 2C: ARBITRAGE REBATE &amp; YIELD RESTRICTION LIABILITY CALCULATION PERFORMED ON 09/30/2021.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>BOND A, ENTITY 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>PART I, ROW A, COLUMN F: THE ISSUE'S PURPOSE WAS TO FINANCE CAPITAL PROJECTS AND REFUND ISSUES DATED 08/17/2007 AND 07/14/2005. PART II, COLUMN A, LINE 3: THE TOTAL PROCEEDS EXCEED THE ISSUE PRICE DUE TO THE $125,030 OF INVESTMENT EARNINGS. PART IV, COLUMN A, LINE 2C: ARBITRAGE REBATE &amp; YIELD RESTRICTION LIABILITY CALCULATION PERFORMED ON 09/30/2021.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>BOND B, ENTITY 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>PART I, ROW B, COLUMN F: THE ISSUE'S PURPOSE WAS TO REFINANCE SEVERAL DIFFERENT ISSUES (DATED 06/09/2008; 11/30/2005; 07/16/2003; AND 06/04/1998), FUND TERMINATION PAYMENTS, AND FUND BUILDING IMPROVEMENTS, EQUIPMENT AND LAND IMPROVEMENTS. PART II, COLUMN B, LINE 11: THE OTHER SPENT PROCEEDS ARE THE REFUNDING PROCEEDS OF THE ISSUE NO LONGER IN ESCROW PART IV, COLUMN B, LINE 2(C): ARBITRAGE REBATE &amp; YIELD RESTRICTION LIABILITY CALCULATION PERFORMED ON OCTOBER 29, 2019.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>BOND C, ENTITY 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>PART I, ROW C, COLUMN A: NEW HAMPSHIRE HEALTH AND EDUCATION FACILITIES AUTHORITY. PART I, ROW C, COLUMN F: REFINANCING AND REFUNDING PRIOR BONDS ISSUED ON 11/20/2003 AND 12/19/2001. PART II, COLUMN C, LINE 11: THE OTHER SPENT PROCEEDS ARE THE REFUNDING PROCEEDS OF THE ISSUE NO LONGER IN ESCROW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>BOND D, ENTITY 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>PART I, ROW D, COLUMN A: NEW HAMPSHIRE HEALTH AND EDUCATION FACILITIES AUTHORITY. PART I, ROW D, COLUMN F: REFINANCING AND REFUNDING PRIOR BOND ISSUANCE 12/19/2001. PART II, COLUMN D, LINE 11: THE OTHER SPENT PROCEEDS ARE THE REFUNDING PROCEEDS OF THE ISSUE NO LONGER IN ESCROW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>BOND A, ENTITY 3:</FormAndLineReferenceDesc>
        <ExplanationTxt>PART I, ROW A, COLUMN A: MASSACHUSETTS HEALTH AND EDUCATIONAL FACILITIES AUTHORITY. PART I, ROW A, COLUMN F: DESCRIPTION OF PURPOSE - REFUND ISSUE DATED 06/28/2000. PART II, COLUMN A, LINE 11: THE OTHER SPENT PROCEEDS ARE THE REFUNDING PROCEEDS OF THE ISSUE NO LONGER IN ESCROW. PART IV, ROW 2C, COLUMN A: ARBITRAGE REBATE &amp; YIELD RESTRICTION LIABILITY CALCULATION PERFORMED ON OCTOBER 10, 2009.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 9 AND PART IV, LINE 7:</FormAndLineReferenceDesc>
        <ExplanationTxt>THIS FORM 990 SCHEDULE K REPRESENTS TAX-EXEMPT DEBT OF ALL MEMBERS OF THE BETH ISRAEL LAHEY HEALTH (BILH) OBLIGATED GROUP WHICH WAS ORIGINALLY FORMED IN JUNE 2020 AND EXPANDED WITH THE ADDITION OF EXETER HOSPITAL (EIN: 22-2674014) IN JULY 2024. THE MAJORITY OF BILH OBLIGATED GROUP MEMBERS HAVE ADOPTED FORMAL WRITTEN POLICIES AND PROCEDURES TO REVIEW AND MONITOR ARRANGEMENTS WHICH COULD GENERATE PRIVATE USE OF BOND FINANCED AND COMPLIANCE RELATED TO INTERNAL REVENUE CODE (IRC) SECTION 141 AND ARBITRAGE RULES UNDER IRC SECTION 148. ALTHOUGH NOT EVERY MEMBER OF THE BILH OBLIGATED GROUP HAS FORMALLY ADOPTED THESE WRITTEN POLICIES AND PROCEDURES, THOSE THAT HAVE NOT NEVERTHELESS FOLLOW THE POLICIES AND PROCEDURES ADOPTED BY OTHER MEMBERS OF THE BILH OBLIGATED GROUP TO ENSURE COMPLIANCE WITH THESE SECTIONS OF THE IRC AND THE REGULATIONS PROMULGATED THEREUNDER. SUCH POLICIES AND PROCEDURES INCLUDE, AMONG OTHER THINGS, THAT VIOLATIONS OF FEDERAL TAX REQUIREMENTS, IF ANY, ARE TIMELY IDENTIFIED AND CORRECTED THROUGH THE VOLUNTARY CLOSING AGREEMENT PROGRAM IF SELF-REMEDIATION ISN'T AVAILABLE UNDER APPLICABLE REGULATIONS. THIS FORM 990 SCHEDULE K REPRESENTS TAX-EXEMPT DEBT OF ALL MEMBERS OF THE BETH ISRAEL LAHEY HEALTH (BILH) OBLIGATED GROUP. THE OBLIGATED GROUP INCLUDES THE FOLLOWING ENTITIES: BETH ISRAEL DEACONESS MEDICAL CENTER, INC., MOUNT AUBURN HOSPITAL, BETH ISRAEL DEACONESS HOSPITAL PLYMOUTH, INC., NEW ENGLAND BAPTIST HOSPITAL, BETH ISRAEL DEACONESS HOSPITAL MILTON, INC., BETH ISRAEL DEACONESS HOSPITAL NEEDHAM, INC., MEDICAL CARE OF BOSTON MANAGEMENT CORPORATION, MOUNT AUBURN PROFESSIONAL SERVICES, INC., LAHEY CLINIC FOUNDATION, INC., LAHEY CLINIC, INC., LAHEY CLINIC HOSPITAL, INC., NORTHEAST HOSPITAL CORPORATION, WINCHESTER HOSPITAL, ANNA JAQUES HOSPITAL AND EXETER HOSPITAL. THE OBLIGATED GROUP IS AWARE OF THE INSTRUCTIONS TO SCHEDULE K THAT STATE THAT "IF THE ORGANIZATION HAS ONE OR MORE RELATED ORGANIZATIONS (FOR EXAMPLE, PARENT AND SUBSIDIARY RELATIONSHIP), IT MUST COMPLETE SCHEDULE K (FORM 990) CONSISTENT WITH THE FILINGS(S) OF ITS RELATED ORGANIZATION(S). THE SAME LIABILITY SHOULDN'T BE REPORTED BY MORE THAN ONE OF THE RELATED ORGANIZATIONS." THE OBLIGATED GROUP IS CURRENTLY WORKING TOWARD A DETERMINATION REGARDING THE REPORTING OF TAX-EXEMPT DEBT AMONG ITS MEMBERS WITH RESPECT TO SCHEDULE K. IN THE ABSENCE OF SUCH A DETERMINATION, FOR THE REPORTING PERIOD ENDING ON 09/30/2024, THE OBLIGATED GROUP HAS INCLUDED ALL TAX-EXEMPT BOND ISSUES ON EACH OF ITS MEMBER'S FORM 990 SCHEDULES K, WHICH IS CONSISTENT WITH THE APPROACH THAT HAS BEEN TAKEN SINCE THE OBLIGATED GROUP'S FORMATION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleK>
    <IRS990ScheduleK documentId="RetDoc1053100002">
      <TaxExemptBondsIssuesGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <IssuerName>
          <BusinessNameLine1Txt>MASSACHUSETTS DEVELOPMENT FINANCE AGENCY</BusinessNameLine1Txt>
        </IssuerName>
        <BondIssuerEIN>043431814</BondIssuerEIN>
        <CUSIPNum>57584XFW6</CUSIPNum>
        <BondIssuedDt>2015-10-21</BondIssuedDt>
        <IssuePriceAmt>262828878</IssuePriceAmt>
        <PurposeDesc>MDFA - LAHEY SERIES F - SEE PART VI</PurposeDesc>
        <DefeasedInd>0</DefeasedInd>
        <OnBehalfOfIssuerInd>0</OnBehalfOfIssuerInd>
        <PoolFinancingInd>0</PoolFinancingInd>
      </TaxExemptBondsIssuesGrp>
      <TaxExemptBondsIssuesGrp>
        <BondReferenceCd>B</BondReferenceCd>
        <IssuerName>
          <BusinessNameLine1Txt>MASSACHUSETTS DEVELOPMENT FINANCE AGENCY</BusinessNameLine1Txt>
        </IssuerName>
        <BondIssuerEIN>043431814</BondIssuerEIN>
        <CUSIPNum>57584XDH1</CUSIPNum>
        <BondIssuedDt>2015-09-02</BondIssuedDt>
        <IssuePriceAmt>203702204</IssuePriceAmt>
        <PurposeDesc>MDFA - SERIES 2015 H-1 - SEE PART VI</PurposeDesc>
        <DefeasedInd>0</DefeasedInd>
        <OnBehalfOfIssuerInd>0</OnBehalfOfIssuerInd>
        <PoolFinancingInd>0</PoolFinancingInd>
      </TaxExemptBondsIssuesGrp>
      <TaxExemptBondsIssuesGrp>
        <BondReferenceCd>C</BondReferenceCd>
        <IssuerName>
          <BusinessNameLine1Txt>NH HEALTH AND EDUCATION FACILITIES AUTHORITY</BusinessNameLine1Txt>
        </IssuerName>
        <BondIssuerEIN>020279866</BondIssuerEIN>
        <CUSIPNum>000000000</CUSIPNum>
        <BondIssuedDt>2015-03-02</BondIssuedDt>
        <IssuePriceAmt>24020000</IssuePriceAmt>
        <PurposeDesc>EXETER SERIES 2015 - SEE PART VI</PurposeDesc>
        <DefeasedInd>0</DefeasedInd>
        <OnBehalfOfIssuerInd>0</OnBehalfOfIssuerInd>
        <PoolFinancingInd>0</PoolFinancingInd>
      </TaxExemptBondsIssuesGrp>
      <TaxExemptBondsIssuesGrp>
        <BondReferenceCd>D</BondReferenceCd>
        <IssuerName>
          <BusinessNameLine1Txt>NH HEALTH AND EDUCATION FACILITIES AUTHORITY</BusinessNameLine1Txt>
        </IssuerName>
        <BondIssuerEIN>020279866</BondIssuerEIN>
        <CUSIPNum>000000000</CUSIPNum>
        <BondIssuedDt>2012-03-09</BondIssuedDt>
        <IssuePriceAmt>32565000</IssuePriceAmt>
        <PurposeDesc>EXETER SERIES 2012 - SEE PART VI</PurposeDesc>
        <DefeasedInd>0</DefeasedInd>
        <OnBehalfOfIssuerInd>0</OnBehalfOfIssuerInd>
        <PoolFinancingInd>0</PoolFinancingInd>
      </TaxExemptBondsIssuesGrp>
      <TaxExemptBondsProceedsGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <RetiredAmt>35800000</RetiredAmt>
        <TotalProceedsAmt>262953908</TotalProceedsAmt>
        <CapitalizedInterestAmt>4857465</CapitalizedInterestAmt>
        <IssuanceCostsFromProceedsAmt>3129474</IssuanceCostsFromProceedsAmt>
        <CapitalExpendituresAmt>94764737</CapitalExpendituresAmt>
        <OtherSpentProceedsAmt>160202232</OtherSpentProceedsAmt>
        <SubstantialCompletionYr>2021</SubstantialCompletionYr>
        <RefundingTaxExemptBondsInd>1</RefundingTaxExemptBondsInd>
        <RefundingTaxableBondsInd>1</RefundingTaxableBondsInd>
        <FinalAllocationMadeInd>1</FinalAllocationMadeInd>
        <AdequateBooksAndRecMaintInd>1</AdequateBooksAndRecMaintInd>
      </TaxExemptBondsProceedsGrp>
      <TaxExemptBondsProceedsGrp>
        <BondReferenceCd>B</BondReferenceCd>
        <RetiredAmt>122805000</RetiredAmt>
        <TotalProceedsAmt>203702204</TotalProceedsAmt>
        <IssuanceCostsFromProceedsAmt>2348479</IssuanceCostsFromProceedsAmt>
        <OtherSpentProceedsAmt>201353725</OtherSpentProceedsAmt>
        <RefundingTaxExemptBondsInd>1</RefundingTaxExemptBondsInd>
        <RefundingTaxableBondsInd>1</RefundingTaxableBondsInd>
        <FinalAllocationMadeInd>1</FinalAllocationMadeInd>
        <AdequateBooksAndRecMaintInd>1</AdequateBooksAndRecMaintInd>
      </TaxExemptBondsProceedsGrp>
      <TaxExemptBondsProceedsGrp>
        <BondReferenceCd>C</BondReferenceCd>
        <RetiredAmt>14435000</RetiredAmt>
        <TotalProceedsAmt>24020000</TotalProceedsAmt>
        <IssuanceCostsFromProceedsAmt>162154</IssuanceCostsFromProceedsAmt>
        <OtherSpentProceedsAmt>23857846</OtherSpentProceedsAmt>
        <SubstantialCompletionYr>2015</SubstantialCompletionYr>
        <RefundingTaxExemptBondsInd>1</RefundingTaxExemptBondsInd>
        <RefundingTaxableBondsInd>0</RefundingTaxableBondsInd>
        <FinalAllocationMadeInd>1</FinalAllocationMadeInd>
        <AdequateBooksAndRecMaintInd>1</AdequateBooksAndRecMaintInd>
      </TaxExemptBondsProceedsGrp>
      <TaxExemptBondsProceedsGrp>
        <BondReferenceCd>D</BondReferenceCd>
        <RetiredAmt>14885000</RetiredAmt>
        <TotalProceedsAmt>32565000</TotalProceedsAmt>
        <IssuanceCostsFromProceedsAmt>215404</IssuanceCostsFromProceedsAmt>
        <OtherSpentProceedsAmt>32349596</OtherSpentProceedsAmt>
        <SubstantialCompletionYr>2012</SubstantialCompletionYr>
        <RefundingTaxExemptBondsInd>1</RefundingTaxExemptBondsInd>
        <RefundingTaxableBondsInd>0</RefundingTaxableBondsInd>
        <FinalAllocationMadeInd>1</FinalAllocationMadeInd>
        <AdequateBooksAndRecMaintInd>1</AdequateBooksAndRecMaintInd>
      </TaxExemptBondsProceedsGrp>
      <TaxExemptBondsPrivateBusUseGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <OwningBondFinancedPropertyInd>0</OwningBondFinancedPropertyInd>
        <AnyLeaseArrangementsInd>0</AnyLeaseArrangementsInd>
        <MgmtContractBondFincdPropInd>0</MgmtContractBondFincdPropInd>
        <AnyResearchAgreementsInd>0</AnyResearchAgreementsInd>
        <PrivateBusUseByOthersPct>0.00000</PrivateBusUseByOthersPct>
        <PrivateBusConcerningUBIPct>0.00000</PrivateBusConcerningUBIPct>
        <TotalPrivateBusinessUsePct>0.00000</TotalPrivateBusinessUsePct>
        <BondIssMeetPrvtSecPymtTestInd>0</BondIssMeetPrvtSecPymtTestInd>
        <ChangeInUseBondFinancedPropInd>0</ChangeInUseBondFinancedPropInd>
        <ProcsNonqualifiedBondRemdtdInd>1</ProcsNonqualifiedBondRemdtdInd>
      </TaxExemptBondsPrivateBusUseGrp>
      <TaxExemptBondsPrivateBusUseGrp>
        <BondReferenceCd>B</BondReferenceCd>
        <OwningBondFinancedPropertyInd>0</OwningBondFinancedPropertyInd>
        <AnyLeaseArrangementsInd>1</AnyLeaseArrangementsInd>
        <MgmtContractBondFincdPropInd>1</MgmtContractBondFincdPropInd>
        <EngageBondCounselContractsInd>1</EngageBondCounselContractsInd>
        <AnyResearchAgreementsInd>0</AnyResearchAgreementsInd>
        <PrivateBusUseByOthersPct>0.00100</PrivateBusUseByOthersPct>
        <PrivateBusConcerningUBIPct>0.00000</PrivateBusConcerningUBIPct>
        <TotalPrivateBusinessUsePct>0.00100</TotalPrivateBusinessUsePct>
        <BondIssMeetPrvtSecPymtTestInd>0</BondIssMeetPrvtSecPymtTestInd>
        <ChangeInUseBondFinancedPropInd>0</ChangeInUseBondFinancedPropInd>
        <ProcsNonqualifiedBondRemdtdInd>1</ProcsNonqualifiedBondRemdtdInd>
      </TaxExemptBondsPrivateBusUseGrp>
      <TaxExemptBondsPrivateBusUseGrp>
        <BondReferenceCd>C</BondReferenceCd>
        <OwningBondFinancedPropertyInd>0</OwningBondFinancedPropertyInd>
        <AnyLeaseArrangementsInd>0</AnyLeaseArrangementsInd>
        <MgmtContractBondFincdPropInd>0</MgmtContractBondFincdPropInd>
        <AnyResearchAgreementsInd>0</AnyResearchAgreementsInd>
        <PrivateBusUseByOthersPct>0.00000</PrivateBusUseByOthersPct>
        <PrivateBusConcerningUBIPct>0.00000</PrivateBusConcerningUBIPct>
        <TotalPrivateBusinessUsePct>0.00000</TotalPrivateBusinessUsePct>
        <BondIssMeetPrvtSecPymtTestInd>0</BondIssMeetPrvtSecPymtTestInd>
        <ChangeInUseBondFinancedPropInd>0</ChangeInUseBondFinancedPropInd>
        <ProcsNonqualifiedBondRemdtdInd>1</ProcsNonqualifiedBondRemdtdInd>
      </TaxExemptBondsPrivateBusUseGrp>
      <TaxExemptBondsPrivateBusUseGrp>
        <BondReferenceCd>D</BondReferenceCd>
        <OwningBondFinancedPropertyInd>0</OwningBondFinancedPropertyInd>
        <AnyLeaseArrangementsInd>0</AnyLeaseArrangementsInd>
        <MgmtContractBondFincdPropInd>0</MgmtContractBondFincdPropInd>
        <AnyResearchAgreementsInd>0</AnyResearchAgreementsInd>
        <PrivateBusUseByOthersPct>0.00000</PrivateBusUseByOthersPct>
        <PrivateBusConcerningUBIPct>0.00000</PrivateBusConcerningUBIPct>
        <TotalPrivateBusinessUsePct>0.00000</TotalPrivateBusinessUsePct>
        <BondIssMeetPrvtSecPymtTestInd>0</BondIssMeetPrvtSecPymtTestInd>
        <ChangeInUseBondFinancedPropInd>0</ChangeInUseBondFinancedPropInd>
        <ProcsNonqualifiedBondRemdtdInd>1</ProcsNonqualifiedBondRemdtdInd>
      </TaxExemptBondsPrivateBusUseGrp>
      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <Form8038TFiledInd>0</Form8038TFiledInd>
        <RebateNotDueYetInd>0</RebateNotDueYetInd>
        <ExceptionToRebateInd>0</ExceptionToRebateInd>
        <NoRebateDueInd>1</NoRebateDueInd>
        <VariableRateIssueInd>0</VariableRateIssueInd>
        <HedgeIdentifiedInBksAndRecInd>0</HedgeIdentifiedInBksAndRecInd>
        <GrossProceedsInvestedInGICInd>0</GrossProceedsInvestedInGICInd>
        <GrossProceedsInvestedInd>1</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>1</WrittenProcToMonitorReqsInd>
      </TaxExemptBondsArbitrageGrp>
      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>B</BondReferenceCd>
        <Form8038TFiledInd>0</Form8038TFiledInd>
        <RebateNotDueYetInd>0</RebateNotDueYetInd>
        <ExceptionToRebateInd>0</ExceptionToRebateInd>
        <NoRebateDueInd>1</NoRebateDueInd>
        <VariableRateIssueInd>0</VariableRateIssueInd>
        <HedgeIdentifiedInBksAndRecInd>0</HedgeIdentifiedInBksAndRecInd>
        <GrossProceedsInvestedInGICInd>0</GrossProceedsInvestedInGICInd>
        <GrossProceedsInvestedInd>0</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>1</WrittenProcToMonitorReqsInd>
      </TaxExemptBondsArbitrageGrp>
      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>C</BondReferenceCd>
        <Form8038TFiledInd>1</Form8038TFiledInd>
        <VariableRateIssueInd>1</VariableRateIssueInd>
        <HedgeIdentifiedInBksAndRecInd>0</HedgeIdentifiedInBksAndRecInd>
        <GrossProceedsInvestedInGICInd>0</GrossProceedsInvestedInGICInd>
        <GrossProceedsInvestedInd>0</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>1</WrittenProcToMonitorReqsInd>
      </TaxExemptBondsArbitrageGrp>
      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>D</BondReferenceCd>
        <Form8038TFiledInd>1</Form8038TFiledInd>
        <VariableRateIssueInd>1</VariableRateIssueInd>
        <HedgeIdentifiedInBksAndRecInd>0</HedgeIdentifiedInBksAndRecInd>
        <GrossProceedsInvestedInGICInd>0</GrossProceedsInvestedInGICInd>
        <GrossProceedsInvestedInd>0</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>1</WrittenProcToMonitorReqsInd>
      </TaxExemptBondsArbitrageGrp>
      <ProceduresCorrectiveActionGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <ProceduresCorrectiveActionInd>1</ProceduresCorrectiveActionInd>
      </ProceduresCorrectiveActionGrp>
      <ProceduresCorrectiveActionGrp>
        <BondReferenceCd>B</BondReferenceCd>
        <ProceduresCorrectiveActionInd>1</ProceduresCorrectiveActionInd>
      </ProceduresCorrectiveActionGrp>
      <ProceduresCorrectiveActionGrp>
        <BondReferenceCd>C</BondReferenceCd>
        <ProceduresCorrectiveActionInd>1</ProceduresCorrectiveActionInd>
      </ProceduresCorrectiveActionGrp>
      <ProceduresCorrectiveActionGrp>
        <BondReferenceCd>D</BondReferenceCd>
        <ProceduresCorrectiveActionInd>1</ProceduresCorrectiveActionInd>
      </ProceduresCorrectiveActionGrp>
    </IRS990ScheduleK>
    <IRS990ScheduleK documentId="RetDoc1053100003">
      <TaxExemptBondsIssuesGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <IssuerName>
          <BusinessNameLine1Txt>MASS HEALTH &amp; EDUCATIONAL FACILITIES AUTHORITY</BusinessNameLine1Txt>
        </IssuerName>
        <BondIssuerEIN>042456011</BondIssuerEIN>
        <CUSIPNum>57586CDD4</CUSIPNum>
        <BondIssuedDt>2004-07-08</BondIssuedDt>
        <IssuePriceAmt>30340000</IssuePriceAmt>
        <PurposeDesc>MHEFA - WINCHESTER F - ADV REFUND</PurposeDesc>
        <DefeasedInd>0</DefeasedInd>
        <OnBehalfOfIssuerInd>0</OnBehalfOfIssuerInd>
        <PoolFinancingInd>0</PoolFinancingInd>
      </TaxExemptBondsIssuesGrp>
      <TaxExemptBondsProceedsGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <RetiredAmt>10595000</RetiredAmt>
        <TotalProceedsAmt>30340000</TotalProceedsAmt>
        <IssuanceCostsFromProceedsAmt>365445</IssuanceCostsFromProceedsAmt>
        <CreditEnhancementAmt>47003</CreditEnhancementAmt>
        <OtherSpentProceedsAmt>29927552</OtherSpentProceedsAmt>
        <RefundingTaxExemptBondsInd>0</RefundingTaxExemptBondsInd>
        <RefundingTaxableBondsInd>1</RefundingTaxableBondsInd>
        <FinalAllocationMadeInd>1</FinalAllocationMadeInd>
        <AdequateBooksAndRecMaintInd>1</AdequateBooksAndRecMaintInd>
      </TaxExemptBondsProceedsGrp>
      <TaxExemptBondsPrivateBusUseGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <OwningBondFinancedPropertyInd>0</OwningBondFinancedPropertyInd>
        <AnyLeaseArrangementsInd>0</AnyLeaseArrangementsInd>
        <MgmtContractBondFincdPropInd>0</MgmtContractBondFincdPropInd>
        <AnyResearchAgreementsInd>0</AnyResearchAgreementsInd>
        <PrivateBusUseByOthersPct>0.00000</PrivateBusUseByOthersPct>
        <PrivateBusConcerningUBIPct>0.00000</PrivateBusConcerningUBIPct>
        <TotalPrivateBusinessUsePct>0.00000</TotalPrivateBusinessUsePct>
        <BondIssMeetPrvtSecPymtTestInd>0</BondIssMeetPrvtSecPymtTestInd>
        <ChangeInUseBondFinancedPropInd>0</ChangeInUseBondFinancedPropInd>
        <ProcsNonqualifiedBondRemdtdInd>1</ProcsNonqualifiedBondRemdtdInd>
      </TaxExemptBondsPrivateBusUseGrp>
      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <Form8038TFiledInd>0</Form8038TFiledInd>
        <RebateNotDueYetInd>0</RebateNotDueYetInd>
        <ExceptionToRebateInd>0</ExceptionToRebateInd>
        <NoRebateDueInd>1</NoRebateDueInd>
        <VariableRateIssueInd>1</VariableRateIssueInd>
        <HedgeIdentifiedInBksAndRecInd>1</HedgeIdentifiedInBksAndRecInd>
        <HedgeProviderName>
          <BusinessNameLine1Txt>MORGAN STANLEY</BusinessNameLine1Txt>
        </HedgeProviderName>
        <TermOfHedgePct>20.000000000000</TermOfHedgePct>
        <SuperintegratedHedgeInd>0</SuperintegratedHedgeInd>
        <HedgeTerminatedInd>0</HedgeTerminatedInd>
        <GrossProceedsInvestedInGICInd>0</GrossProceedsInvestedInGICInd>
        <GrossProceedsInvestedInd>0</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>1</WrittenProcToMonitorReqsInd>
      </TaxExemptBondsArbitrageGrp>
      <ProceduresCorrectiveActionGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <ProceduresCorrectiveActionInd>1</ProceduresCorrectiveActionInd>
      </ProceduresCorrectiveActionGrp>
    </IRS990ScheduleK>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART I, LINE 1 &amp; PART III, LINE 1:</FormAndLineReferenceDesc>
        <ExplanationTxt>MOUNT AUBURN PROFESSIONAL SERVICES, INC. (MAPS) IS A TAX-EXEMPT PHYSICIAN GROUP PRACTICE PROVIDING PATIENT CARE AND TEACHING SERVICES IN THE AREAS OF PRIMARY CARE, OBSTETRICS/GYNECOLOGY, EMERGENCY MEDICINE AND OTHER SPECIALTIES AND TO THE PATIENTS SERVED BY MOUNT AUBURN HOSPITAL (MAH) AND ITS BETH ISRAEL LAHEY HEALTH AFFILIATES. DURING THE FISCAL PERIOD COVERED BY THIS FILING, BETH ISRAEL LAHEY HEALTH (BILH) SERVED AS THE SOLE MEMBER OF ANNA JAQUES HOSPITAL (AJH), BETH ISRAEL DEACONESS MEDICAL CENTER, INC. (BIDMC), MOUNT AUBURN HOSPITAL (MAH), NEW ENGLAND BAPTIST HOSPITAL (NEBH), BETH ISRAEL DEACONESS HOSPITAL - MILTON, INC. (MILTON), BETH ISRAEL DEACONESS HOSPITAL - NEEDHAM, INC. (NEEDHAM), BETH ISRAEL DEACONESS HOSPITAL - PLYMOUTH, INC. (PLYMOUTH), LAHEY HEALTH SHARED SERVICES (LHSS), LAHEY CLINIC FOUNDATION (LCF), WINCHESTER HOSPITAL (WINCHESTER), NORTHEAST HOSPITAL CORPORATION (NHC) WHICH INCLUDES BEVERLY, ADDISON GILBERT AND BAYRIDGE HOSPITALS, NORTHEAST BEHAVIORAL CORPORATION (NBHC), THE BETH ISRAEL LAHEY HEALTH PERFORMANCE NETWORK (BILHPN), EXETER HEALTH RESOURCES INC. (EHRI) AND THE BETH ISRAEL LAHEY HEALTH PHARMACY. THE LAHEY CLINIC FOUNDATION IN TURN SERVED AS THE SOLE MEMBER OF LAHEY CLINIC INC, AND LAHEY CLINIC HOSPITAL D/B/A LAHEY HOSPITAL AND MEDICAL CENTER (LHMC) AND EXETER HEALTH RESOURCES INC SERVED AS THE SOLE MEMBER OF EXETER HOSPITAL. EACH OF THE ENTITIES LISTED HERE MAY HAVE ALSO, IN TURN, SERVED AS MEMBER TO OTHER NETWORK AFFILIATES. BILH IS AN INTEGRATED HEALTH CARE SYSTEM COMMITTED TO EXPANDING ACCESS TO EXTRAORDINARY PATIENT CARE ACROSS EASTERN MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE AND ADVANCING THE SCIENCE AND PRACTICE OF MEDICINE THROUGH GROUNDBREAKING RESEARCH AND EDUCATION. THE BILH SYSTEM IS COMPRISED OF ACADEMIC AND TEACHING HOSPITALS, A PREMIER ORTHOPEDICS HOSPITAL, PRIMARY CARE AND SPECIALTY CARE PROVIDERS, AMBULATORY SURGERY CENTERS, URGENT CARE CENTERS, COMMUNITY HOSPITALS, HOMECARE SERVICES, OUTPATIENT BEHAVIORAL HEALTH CENTERS AND ADDICTION TREATMENT PROGRAMS. BILH'S COMMUNITY OF CLINICIANS, CAREGIVERS AND STAFF INCLUDES APPROXIMATELY 4,700 PHYSICIANS AND 39,000 EMPLOYEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART III, LINE 4A, DESCRIPTION OF PROGRAM SERVICE:</FormAndLineReferenceDesc>
        <ExplanationTxt>AS NOTED THROUGHOUT THIS FORM 990, MOUNT AUBURN PROFESSIONAL SERVICES, INC. (MAPS), IS A NOT-FOR-PROFIT PHYSICIAN GROUP AND MEMBER OF THE BETH ISRAEL LAHEY HEALTH NETWORK OF AFFILIATES. MAPS IS A NETWORK OF COMMUNITY-BASED PHYSICIANS AFFILIATED WITH BETH ISRAEL LAHEY HEALTH AND PROVIDING CARE IN CONJUNCTION WITH, AND IN THE COMMUNITIES SERVED BY, MOUNT AUBURN HOSPITAL (MAH OR HOSPITAL). THESE PRACTICES ARE COMMITTED TO IMPROVING THE HEALTH OF THE COMMUNITIES SERVED BY MAPS AND MAH BY PROVIDING HIGH QUALITY, PERSONALIZED HEALTH CARE WITH COMPASSION, DIGNITY AND RESPECT FOR PATIENT RIGHTS IN A COST EFFECTIVE AND SAFE ENVIRONMENT AND IS DEDICATED TO PROVIDING CARE TO PATIENTS IN THE COMMUNITIES WHERE THEY LIVE AND WORK, PROVIDING CARE TO IN THE COMMUNITY TO MEDICARE, MEDICAID AND ALL OTHER PATIENTS REGARDLESS OF THEIR RACE, COLOR, RELIGION, SEX, SEXUAL ORIENTATION, NATIONAL ORIGIN, ANCESTRY, AGE, OR DISABILITY. DURING THE PERIOD COVERED BY THIS FILING, MAPS PROVIDED SPECIALTY CARE TO ITS PATIENTS. IN ADDITION, WHEN ADVANCED CARE IS NEEDED, MAPS PROVIDES LEADING EDGE TREATMENT AT ITS AFFILIATE, MAH AND LEADING-EDGE TREATMENT FROM BETH ISRAEL DEACONESS MEDICAL CENTER (BIDMC) OR LAHEY HOSPITAL &amp; MEDICAL CENTER AS WELL AS AND OTHER BILH AFFILIATES. LAHEY HOSPITAL &amp; MEDICAL CENTER (LHMC) OR BETH ISRAEL DEACONESS MEDICAL CENTER (BIDMC), EACH A LEVEL I TRAUMA CENTER AND PROVIDE TERTIARY CARE AND CARE IN A WIDE RANGE OF SPECIALTIES. SPECIALTY CARE MAPS HAS 108 SPECIALTY CARE PROVIDERS WHO PROVIDE CARE IN A WIDE RANGE OF SPECIALTY CARE AREAS INCLUDING OBSTETRICS/GYNECOLOGY, UROLOGY, CARDIOTHORACIC SURGERY, PLASTIC SURGERY, BREAST SURGERY, ORTHOPEDIC SURGERY, GENERAL SURGERY, HEM/ONC, PULMONARY, NEUROLOGY, ENDOCRINOLOGY, RADIATION ONCOLOGY, GASTROENTEROLOGY, RHEUMATOLOGY, NEPHROLOGY, INFECTIOUS DISEASE, TRAVEL MEDICINE, IN CAMBRIDGE, WATERTOWN, ARLINGTON, BRIGHTON, AND WALTHAM MASSACHUSETTS. DURING THE FISCAL YEAR COVERED BY THIS FILING, MAPS HAD A TOTAL OF 150,527 SPECIALTY CARE VISITS ACROSS THESE DISCIPLINES. IN ADDITION TO THE ACCOMPLISHMENTS NOTED ABOVE FOR MOUNT AUBURN PROFESSIONAL SERVICES, INC., AND AS NOTED THROUGHOUT THIS FORM 990, MOUNT AUBURN PROFESSIONAL SERVICES, INC. IS A MEMBER OF THE BETH ISRAEL LAHEY HEALTH (BILH) NETWORK OF AFFILIATES. THE BILH CORE VALUES AND PRINCIPALS ARE LISTED HERE AS WELL AS NETWORK-WIDE ACCOMPLISHMENTS DURING THE FISCAL PERIOD COVERED BY THIS FILING. THE BILH NETWORK IS DELIVERING ON THE PROMISE TO BILH PATIENTS AND COMMUNITIES TO EXPAND ACCESS AND PROVIDE EXTRAORDINARY CARE, WHILE ALSO ADVANCING MEDICINE THROUGH DISCOVERY AND EDUCATION. THE BILH PURPOSE STATEMENT ARTICULATES THE IMPACT THAT EACH BILH AFFILIATE STRIVES TO MAKE IN THE COMMUNITIES SERVED. THESE SHARED VALUES GUIDE EACH ENTITY'S DAILY EFFORTS AND KEEP EACH AFFILIATE ALIGNED IN THE PURSUIT OF THE BILH PURPOSE, SHOWING HOW "WE CARE" FOR PATIENTS, EACH OTHER AND THE COMMUNITIES SERVED. PURPOSE STATEMENT: BILH CREATES HEALTHIER COMMUNITIES ONE PERSON AT A TIME THROUGH SEAMLESS CARE AND GROUND-BREAKING SCIENCE, DRIVEN BY EXCELLENCE, INNOVATION AND EQUITY. BILH WE CARE VALUES: - WELLBEING - WE PROVIDE A HEALTH-FOCUSED WORKPLACE AND SUPPORT A HEALTHY WORK-LIFE BALANCE. - EMPATHY - WE DO OUR BEST TO UNDERSTAND OTHERS' FEELINGS, NEEDS AND PERSPECTIVES. - COLLABORATION - WE WORK TOGETHER TO ACHIEVE EXTRAORDINARY RESULTS. - ACCOUNTABILITY - WE HOLD OURSELVES AND EACH OTHER TO BEHAVIORS NECESSARY TO ACHIEVE OUR COLLECTIVE GOALS. - RESPECT - WE VALUE DIVERSITY AND TREAT ALL MEMBERS OF OUR COMMUNITY WITH DIGNITY AND INCLUSIVENESS. - EQUITY - EVERYONE HAS THE OPPORTUNITY TO ATTAIN THEIR FULL POTENTIAL IN OUR WORKPLACE AND THROUGH THE CARE WE PROVIDE. BILH IS ACCOMPLISHING THIS MISSION BY PROVIDING SUPPORT TO ITS AFFILIATES WHICH INCLUDE: 1. A PHYSICIAN ENTERPRISE THAT ENCOMPASSES THE SYSTEM'S NETWORK OF EMPLOYED PRIMARY CARE AND SPECIALTY PHYSICIANS LOCATED THROUGHOUT OUR REGION; 2. A HOSPITAL AND AMBULATORY SERVICES GROUP THAT INCLUDES WORLD-CLASS ACADEMIC MEDICAL CENTERS AND TEACHING HOSPITALS WITH AFFILIATIONS WITH HARVARD MEDICAL SCHOOL, UM AND TUFTS UNIVERSITY SCHOOL OF MEDICINE; LEADING COMMUNITY HOSPITALS; A RENOWNED ORTHOPEDICS HOSPITAL; AND COMPREHENSIVE AMBULATORY CENTERS; 3. A POPULATION HEALTH ENTERPRISE THAT EMBRACES A MODEL OF CARE TO IMPROVE THE HEALTH OF ALL THOSE SERVED BY BILH; THE POPULATION HEALTH DOMAIN INCLUDES THE SYSTEM'S CLINICALLY INTEGRATED NETWORK OF AFFILIATED PROVIDERS AND VITAL SERVICES, INCLUDING BEHAVIORAL HEALTH AND HOME CARE SERVICES; 4. A ROBUST NETWORK OF ADMINISTRATIVE AND OPERATIONAL SERVICES TO ADVANCE STRATEGIC GOALS, BOTH LOCALLY AND AT THE SYSTEM LEVEL, THAT OFFERS EXPERTISE AND STANDARDIZED RESOURCES BASED ON BEST PRACTICES. DURING THE FISCAL PERIOD COVERED BY THIS FILING, BETH ISRAEL LAHEY HEALTH (BILH) SERVED AS THE SOLE MEMBER OF BETH ISRAEL DEACONESS MEDICAL CENTER, INC. (BIDMC), MOUNT AUBURN HOSPITAL (MAH), NEW ENGLAND BAPTIST HOSPITAL (NEBH), BETH ISRAEL DEACONESS HOSPITAL -- MILTON, INC. (MILTON), BETH ISRAEL DEACONESS HOSPITAL -- NEEDHAM, INC. (NEEDHAM), BETH ISRAEL DEACONESS HOSPITAL -- PLYMOUTH, INC. (PLYMOUTH), LAHEY HEALTH SHARED SERVICES (LHSS), LAHEY CLINIC FOUNDATION (LCF), WINCHESTER HOSPITAL (WINCHESTER), NORTHEAST HOSPITAL CORPORATION (NHC) WHICH INCLUDES BEVERLY, ADDISON GILBERT AND BAYRIDGE HOSPITALS, NORTHEAST BEHAVIORAL CORPORATION (NBHC), ANNA JAQUES HOSPITAL (AJH), THE BETH ISRAEL LAHEY HEALTH PERFORMANCE NETWORK (BILHPN), THE JOSLIN DIABETES CENTER, EXETER HEALTH RESOURCES, INC (EHRI) AND THE BETH ISRAEL LAHEY HEALTH PHARMACY. THE LAHEY CLINIC FOUNDATION IN TURN SERVED AS THE SOLE MEMBER OF LAHEY CLINIC INC, AND LAHEY CLINIC HOSPITAL D/B/A LAHEY HOSPITAL AND MEDICAL CENTER (LHMC), EHRI IN TURN SERVED AS THE SOLE MEMBER OF EXETER HOSPITAL AND LHSS IN TURN SERVED AS THE SOLE MEMBER OF BETH ISRAEL LAHEY HEALTH PRIMARY CARE. THE ENTITIES LISTED HERE MAY HAVE ALSO, IN TURN, SERVED AS MEMBER TO OTHER NETWORK AFFILIATES. SEE FORM 990 SCHEDULE R FOR ADDITIONAL AFFILIATED ENTITIES. BILH PROVIDES CENTRALIZED SUPPORT TO ITS NETWORK OF SUPPORTED ORGANIZATIONS. BILH SUPPORT INCLUDES, BUT IS NOT LIMITED TO, THE FOLLOWING SERVICES: DEVELOPMENT AND FUNDRAISING, STRATEGIC PLANNING, COMPLIANCE, GOVERNANCE AND LEGAL SUPPORT, HUMAN RESOURCES, PATIENT CARE PAYOR CONTRACTING, OPERATIONAL SUPPORT SUCH AS PROCESSING PAYROLL AND ACCOUNTS PAYABLE, NETWORK-WIDE BENEFIT PLAN STRUCTURING AND NETWORK-WIDE CASH MANAGEMENT. BILH OVERSEES THE FINANCIAL WELL-BEING OF ITS AFFILIATES, INCLUDING PROVIDING MANAGEMENT, LEADERSHIP, DEBT STRUCTURING SUPPORT, FINANCING OF CAPITAL PROJECTS THROUGH ITS OBLIGATED GROUP DEBT AND FINANCIAL SUPPORT SERVICES, INCLUDING INTERNAL AND EXTERNAL AUDIT, TREASURY, INSURANCE AND TAX SERVICES. FOR THE FISCAL PERIOD COVERED BY THIS FILING BILH, INC. PROVIDED SERVICES AND SUPPORT TO ITS AFFILIATES, IN THE AMOUNT OF $15,835,226,845. ADDITIONAL DETAIL ABOUT ACCOMPLISHMENTS ACROSS BILH ARE BELOW. BILH NETWORK ACCOMPLISHMENTS AND ACTIVITIES FISCAL YEAR ENDED SEPTEMBER 30, 2024 BILH'S SUPPORT OF ITS AFFILIATES ENABLES THE NETWORK AS A WHOLE TO ACCOMPLISH ITS PRIMARY MISSION OF IMPROVING THE HEALTH OF PATIENTS, THEIR FAMILIES AND THE COMMUNITIES SERVED. AS NOTED PREVIOUSLY IN THIS FILING, BILH STRIVES TO ACCOMPLISH THIS MISSION BY DELIVERING THE HIGH-QUALITY HEALTH CARE THAT EVERY PATIENT DESERVES. BILH BELIEVES THAT EFFECTIVE CARE IS EASILY ACCESSIBLE AND SIMPLE TO USE SO IT IS BILH'S FOCUS TO PROVIDE PATIENTS WITH CARE THAT IS IN CLOSE PROXIMITY AND CONVENIENT REGARDLESS OF WHERE PATIENTS LIVE, THEIR HEALTH HISTORY OR STAGE OF LIFE AND BILH IS ACCOMPLISHING THIS GOAL BY PROVIDING SUPPORT TO EACH OF ITS AFFILIATES, PROVIDING AN ORGANIZATIONAL STRUCTURE AND OPERATING MODEL WHICH IS DRIVEN BY FOUR DEEPLY INTERCONNECTED DOMAINS DESIGNED TO ADVANCE MEANINGFUL PARTNERSHIPS ACROSS ORGANIZATIONS, CARE SETTINGS, SPECIALTIES, AND GEOGRAPHIES TO ENSURE BILH PATIENTS RECEIVE THE CARE THEY NEED IN THE COMMUNITIES WHERE THEY LIVE AND WORK.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART III, LINE 4A, DESCRIPTION OF PROGRAM SERVICE:</FormAndLineReferenceDesc>
        <ExplanationTxt>PATIENT CARE DELIVERY ACROSS THE BILH NETWORK -- FISCAL YEAR ENDED SEPTEMBER 30, 2024 HOSPITAL CARE: DURING THE PERIOD COVERED BY THIS FILING, THE BILH HOSPITALS PROVIDED CARE TO PATIENTS IN A FULL SPECTRUM OF SPECIALTIES AND UTILIZING A WIDE RANGE OF MODALITIES. BELOW ARE A SAMPLE OF THE HOSPITAL CARE PROVIDED TO BILH PATIENTS. DURING THE FISCAL YEAR COVERED BY THIS FILING, BILH HOSPITALS HAD APPROXIMATELY 4.9 MILLION OUTPATIENT ENCOUNTERS. APPROXIMATELY 80,000 OUTPATIENT/AMBULATORY SURGERIES AND OVER 100,000 ENDOSCOPIES WERE PERFORMED, IN ADDITION, ACROSS BILH HOSPITALS PATIENTS HAD MORE THAN 141,000 ONCOLOGY VISITS AND ALMOST 111,000 ONCOLOGY INFUSIONS, 268,000 EKGS, OVER 59,000 ORTHOPEDIC PROCEDURES, MORE THAN 758,000 RADIOLOGY EXAMS, OVER 312,000 CT EXAMS, MORE THAN 177,000 ULTRASOUND PROCEDURES, OVER 142,000 MRIS, OVER 221,000 OUTPATIENT BREAST IMAGING EXAMS, APPROXIMATELY 312,000 OUTPATIENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART III, LINE 4A, DESCRIPTION OF PROGRAM SERVICE CONTINUED:</FormAndLineReferenceDesc>
        <ExplanationTxt>THERAPY VISITS AND MORE THAN 11.7 MILLION OUTPATIENT LAB TESTS WERE PERFORMED. THE BILH HOSPITALS ALSO HAD APPROXIMATELY 432,000 EMERGENCY DEPARTMENT VISITS, MORE THAN 35,000 OBSERVATION CASES AND MORE THAN 137,000 INPATIENT DISCHARGES WITH APPROXIMATELY 729,000 INPATIENT DAYS, INCLUDING MORE THAN 44,000 INPATIENT PSYCH DAYS. DURING THIS PERIOD MORE THAN 31,000 INPATIENT SURGERIES WERE PERFORMED AND APPROXIMATELY 14,000 NEWBORNS WERE DELIVERED AND THERE WERE APPROXIMATELY 52,000 PAIN CLINIC VISITS. BILH HOSPITALS ALSO HAD MORE THAN 75,000 URGENT CARE VISITS DURING THIS PERIOD. NON-HOSPITAL PHYSICIAN CARE: DURING THE PERIOD COVERED BY THIS FILING, THE BILH PHYSICIANS PROVIDED CARE TO PATIENTS OUTSIDE OF THE HOSPITALS AND IN PHYSICIAN OFFICE OR OTHER CLINICAL SETTINGS. BELOW ARE A SAMPLE OF THE NON-HOSPITAL PHYSICIAN SERVICES PROVIDED TO BILH PATIENTS. DURING THE FISCAL YEAR COVERED BY THIS FILING, MORE THAN 470 PRIMARY CARE AND FAMILY PRACTICE PROVIDERS HAD APPROXIMATELY 843,000 PATIENT VISITS AND PROVIDERS ACROSS THE FULL SPECTRUM OF SPECIALTIES HAD MORE THAN 624,000 PATIENT VISITS. IN ADDITION, JOSLIN DIABETES CENTER HAD MORE THAN 27,000 PATIENT VISITS RELATED TO DIABETES CARE AND THERE WERE MORE THAN 53,000 URGENT CARE VISITS TO NON-HOSPITAL URGENT CARE LOCATIONS. COMMUNITY BENEFITS, UNCOMPENSATED CARE, COSTS TO PROVIDE CARE TO MEDICAID AND MEDICARE PATIENTS FISCAL YEAR ENDED SEPTEMBER 30, 2024 DURING THE FISCAL YEAR COVERED BY THIS FILING BILH HOSPITALS PROVIDED MORE THAN $52 MILLION IN NET COST OF CHARITY CARE, INCLUDING CARE FOR EMERGENT SERVICES PROVIDED TO NON-PAYING PATIENTS AND INCLUDING PAYMENTS TO THE HEALTH SAFETY NET TRUST. IN ADDITION TO THE CHARITY CARE REPORTED ABOVE, EACH OF THE BILH HOSPITALS ALSO PROVIDES CARE TO PATIENTS WHO PARTICIPATE IN OTHER PROGRAMS DESIGNED TO SUPPORT LOW-INCOME FAMILIES, INCLUDING PARTICULARLY THE MEDICAID PROGRAM, WHICH IS JOINTLY FUNDED BY FEDERAL AND STATE GOVERNMENTS. THE MASSACHUSETTS HEALTH REFORM LAW PROVIDED AN INITIATIVE FOR EXPANSION OF MEDICAID COVERAGE TO GREATER POPULATIONS AND FOR ENROLLMENT OF UNINSURED PATIENTS IN OTHER INSURANCE PROGRAMS. PAYMENTS FROM MEDICAID AND OTHER PROGRAMS THAT ENSURE LOW-INCOME POPULATIONS DO NOT COVER THE COST OF SERVICES PROVIDED. DURING THE FISCAL PERIOD COVERED BY THIS FILING, THE COST OF PROVIDING CARE TO MEDICAID PATIENTS ACROSS BILH EXCEEDED PAYMENTS RECEIVED FOR PROVIDING THAT CARE RESULTING IN A COMBINED SHORTFALL EXCEEDING $35.5 MILLION RELATED TO TREATING MEDICAID PATIENTS. MEDICARE IS THE FEDERALLY SPONSORED HEALTH INSURANCE PROGRAM FOR ELDERLY OR DISABLED PATIENTS. PAYMENTS FROM MEDICARE DO NOT COVER THE COST OF SERVICES PROVIDED. ALL BILH HOSPITALS PROVIDE CARE TO PATIENTS WHO PARTICIPATE IN THE MEDICARE PROGRAM. DURING THE FISCAL PERIOD COVERED BY THIS FILING, THE COST OF PROVIDING CARE TO MEDICARE PATIENTS ACROSS BILH EXCEEDED PAYMENTS RECEIVED FOR PROVIDING THAT CARE, RESULTING IN A COMBINED SHORTFALL EXCEEDING $161 MILLION RELATED TO TREATING MEDICARE PATIENTS. IN ADDITION TO THE COSTS NOTED ABOVE, DURING THE FISCAL YEAR COVERED BY THIS FILING BILH HOSPITALS PROVIDED COMBINED COMMUNITY BENEFITS, COMMUNITY HEALTH IMPROVEMENT SERVICES, CASH AND IN-KIND CONTRIBUTIONS TO COMMUNITY HEALTH CENTERS AND OTHER GROUPS AS WELL AS COSTS INCURRED RELATED TO SUBSIDIES FOR PRIMARY AND SPECIALTY CARE ACCESS, BEHAVIORAL HEALTH CARE AND OTHER CARE PROVIDED AT A LOSS TOTALING OVER $150 MILLION. FOR ADDITIONAL INFORMATION ON THESE ACTIVITIES AS WELL AS EACH HOSPITAL'S MOST RECENT COMMUNITY HEALTH NEEDS ASSESSMENT AND IMPLEMENTATION STRATEGY, PLEASE SEE FORM 990 SCHEDULE H FOR EACH OF THE BILH HOSPITALS. EDUCATION AND RESEARCH FISCAL YEAR ENDED SEPTEMBER 30, 2024 RESEARCH ACTIVITIES ACROSS BILH SERVE PATIENT CARE BOTH AT BILH AND BEYOND AS PART OF THE ADVANCEMENT OF SCIENCE. BETH ISRAEL DEACONESS MEDICAL CENTER, INC. (BIDMC OR MEDICAL CENTER) IS A TERTIARY CARE ACADEMIC MEDICAL CENTER PROVIDING LEADING EDGE PATIENT CARE, IS A WORLD CLASS RESEARCH INSTITUTION AND IS DEVOTED TO TEACHING AND TRAINING THE MEDICAL PROFESSIONALS OF TOMORROW, EMBRACING TECHNOLOGICAL AND CLINICAL PRACTICE INNOVATION AND TO THAT END, PART OF THE MEDICAL CENTER'S MISSION IS TO BE A WORLD-CLASS RESEARCH INSTITUTION WHERE OUTSTANDING SCIENTISTS WORK TO DEVELOP NEW KNOWLEDGE FOR THE BETTERMENT OF THE HEALTH OF OUR LOCAL AND EXTENDED COMMUNITIES. BIDMC HAS THE LARGEST RESEARCH OPERATIONS ACROSS BILH AND DURING THE FISCAL YEAR COVERED BY THIS FILING, THE MEDICAL CENTER INCURRED OVER $370 MILLION IN RESEARCH EXPENSES, MORE THAN $91 MILLION OF WHICH WERE INTERNALLY FUNDED. ACROSS BILH HOSPITALS, COSTS FOR TRAINING MEDICAL PROFESSIONALS EXCEEDED $210 MILLION. REIMBURSEMENT FROM MEDICARE FOR THESE ACTIVITIES WAS APPROXIMATELY $67 MILLION WHICH LEFT A COMBINED SHORTFALL RELATED TO THESE ACTIVITIES ACROSS BILH OF OVER $143 MILLION WHICH IS AN INVESTMENT IN THE HEALTH SYSTEM OF TOMORROW. ADDITIONAL BILH NETWORK ACTIVITIES - EXPANDING ACCESS AND SERVICES; CONTINUING TO PROVIDE HIGH QUALITY CARE AT A LOWER COST; BEHAVIORAL HEALTH; COMMUNITY INVESTMENTS FISCAL YEAR ENDED SEPTEMBER 30, 2024 THROUGHOUT THE PERIOD COVERED BY THIS FILING, BETH ISRAEL LAHEY HEALTH ("BILH") REMAINED COMMITTED TO DELIVERING HIGH-QUALITY CARE AT A LOWER COST BY LEVERAGING COMMUNITY SETTINGS AND MAINTAINING CARE WITHIN THE BILH PERFORMANCE NETWORK ("BILHPN"), WHEN APPROPRIATE. THE FOLLOWING HIGHLIGHTS SOME OF THESE ONGOING EFFORTS. IN ADDITIONAL TO THE ACCOMPLISHMENTS NOTED ABOVE, BILH CONTINUED THIS COMMITMENT WITH THE FOLLOWING ACTIVITIES: ENHANCING THE BILHPN OPERATING MODEL BILH PERFORMANCE NETWORK ("BILHPN") IS BILH'S CLINICALLY INTEGRATED NETWORK OF PHYSICIANS, CLINICIANS, AND HOSPITALS THAT WORK TOGETHER TO PROVIDE HIGH-QUALITY, COST-EFFECTIVE CARE FOR PATIENTS. BILHPN ACHIEVED ITS GOAL OF BECOMING A FULLY INTEGRATED CLINICALLY INTEGRATED NETWORK ("CIN") IN FY 2024. THIS MOVE POSITIONED ITS PROVIDERS TO IMPROVE CARE QUALITY AND SUCCEED IN A VALUE-BASED DELIVERY SYSTEM. ALONGSIDE THIS TRANSFORMATION, BILHPN HAS REDEFINED ITS OPERATING MODEL TO PRIORITIZE HIGH-QUALITY CARE, IMPROVE THE HEALTH OF THE POPULATIONS BILH SERVES, ENHANCE PERFORMANCE, AND PROMOTE WELL-BEING ACROSS ITS NETWORK. THROUGHOUT FY 2024, BILHPN CONCENTRATED ON QUALITY IMPROVEMENT INITIATIVES, SUCH AS REDUCING DISPARITY GAPS, LOWERING READMISSION RATES, IMPROVING DIABETES AND HYPERTENSION MANAGEMENT, AND ENHANCING SKILLED NURSING CARE VISITS. IMPROVING PHARMACY ACCESS THROUGHOUT FY 2024, BILH PHARMACY EXPERIENCED SIGNIFICANT EXPANSION THAT REFLECTS ITS ONGOING COMMITMENT TO IMPROVING ACCESS TO CARE AND REDUCING THE COST OF CARE. ITS ACHIEVEMENTS INCLUDE: - EXPANDED ACCESS TO 8,000 ADDITIONAL PATIENTS, INCLUDING 5,700 MEDICAID PATIENTS; - IMPROVED PATIENT FINANCIAL ASSISTANCE SERVICES; - LAUNCHED CLINICS FOCUSED ON WEIGHT LOSS AND IRRITABLE BOWEL SYNDROME AND EXPANDED ACCESS TO ANTICOAGULATION MANAGEMENT THROUGH THE CENTRALIZED ANTICOAGULATION MANAGEMENT PROGRAM; - LAUNCHED INSCRIPT TO PROVIDE PHARMACY BENEFIT MANAGEMENT ("PBM") SERVICES TO FULLY INSURED AND SELF-FUNDED HEALTH PLANS, RESULTING IN HEALTH PLAN MEMBERS SAVING OVER 20% IN OUT-OF-POCKET COSTS AND GREATER ACCESS TO MEDICATION; AND, - EXPANDED PHARMACY PRESENCE IN CLINICS TO IMPROVE ACCESS TO MEDICATIONS FOR TREATING DIABETES AND CARDIOVASCULAR DISEASES INCREASING ACCESS TO BEHAVIORAL HEALTH SERVICES IN FY 2024, BILH AWARDED $1.2 MILLION TO FOUR COMMUNITY-BASED ORGANIZATIONS TO IMPLEMENT BEHAVIORAL HEALTH NAVIGATOR PROGRAMS THAT WILL FUND THE HIRING, TRAINING, AND SUPPORT OF COMMUNITY-BASED BEHAVIORAL HEALTH NAVIGATORS WHO WILL WORK TO IDENTIFY, UNDERSTAND, AND EFFECTIVELY CONNECT RESIDENTS EXPERIENCING MENTAL HEALTH AND SUBSTANCE USE ISSUES TO APPROPRIATE SUPPORT AND ASSISTANCE. THE FOUR NONPROFIT ORGANIZATIONS IN THE GATEWAY MUNICIPALITIES OF HAVERHILL, LYNN, PEABODY, AND QUINCY HAVE BEEN GIVEN $300,000 EACH FROM FY 2024 TO 2027 TO LAUNCH THESE PROGRAMS IN THEIR COMMUNITIES. LABORATORY SERVICES EXPANSION AND OPTIMIZATION BILH TRANSITIONED TO CENTRALIZED OVERSIGHT OF ALL LABORATORY DRAW SITES IN FY 2024 AND CREATED 11 NEW COMMUNITY-BASED LAB DRAW STATIONS, WHICH INCREASES PATIENT ACCESS TO LAB SERVICES AND IMPROVES BOTH PATIENT AND PROVIDER SATISFACTION. THE CENTRALIZED OVERSIGHT MODEL BETTER ENABLES BILH TO FOCUS ON QUALITY, SERVICE, AND PHLEBOTOMIST RECRUITMENT. IN ADDITION, BILH CONTINUES TO REFINE TRANSPORTATION ROUTES FOR LAB SPECIMENS, MAINTAINING HIGH STANDARDS FOR TURNAROUND TIMES AND EFFICIENCY, WHICH FURTHER IMPROVES THE OVERALL QUALITY OF LABORATORY SERVICES. ENHANCEMENT OF CARE DELIVERY ACROSS PRIMARY CARE PRACTICES BILH PRIMARY CARE ("BILHPC") CONTINUED TO ENHANCE CARE DELIVERY AND ELEVATE THE QUALITY OF CARE THROUGHOUT ITS PRACTICES, AS DEMONSTRATED BY THE FOLLOWING INITIATIVES:</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART III, LINE 4A, DESCRIPTION OF PROGRAM SERVICE CONTINUED:</FormAndLineReferenceDesc>
        <ExplanationTxt>- PARTNERED WITH A BILHPN PHARMACIST AND LOCAL DIABETES NURSE EDUCATORS TO LAUNCH A DIABETES HUB AND SPOKE MODEL IN THE MILTON AND NEEDHAM PRIMARY CARE REGIONS, WHERE A DIABETES-SPECIALIZED ADVANCED PRACTICE PRACTITIONER IS EMBEDDED IN THE PRACTICE; - COLLABORATED WITH BILH PHARMACY TO PLAN THE EXPANSION OF REMOTE BLOOD PRESSURE MONITORING FOR IMPROVED HYPERTENSION MANAGEMENT; - EXPANDED THE VIRTUALIST PROGRAM, ENHANCING ACCESS TO ACUTE AND OVERFLOW CARE; AND - INTRODUCED A SELF-SCHEDULING TOOL FOR NEW PATIENTS SEEKING TO ESTABLISH CARE WITH A PRIMARY CARE PROVIDER. EDUCATION AND AWARENESS EFFORTS TO PROMOTE ACCESS TO CARE IN FY 2024, BILH WORKED TO IMPROVE ACCESS FOR MASSHEALTH PATIENTS IN EASTERN MASSACHUSETTS THROUGH VARIOUS COMMUNICATIONS INITIATIVES. A KEY EFFORT WAS LAUNCHING A MONTHLY NEWSLETTER, AVAILABLE IN SEVEN LANGUAGES, TO ENGAGE PATIENTS AND SHARE HEALTH INFORMATION. NEW ENGLAND BAPTIST HOSPITAL ("NEBH") HOSTED INFORMATION SESSIONS TO EDUCATE UNDERSERVED POPULATIONS ABOUT ITS SERVICES. NEBH ALSO PERFORMED OUTREACH TO COMMUNITY HOUSING FACILITIES, PARTICIPATED IN BOSTON MAYOR WU'S HISPANIC HERITAGE MONTH LUNCHEON, AND PARTNERED WITH NEIGHBORHOOD ASSOCIATIONS AND MAIN STREET BOARDS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IV, LINE 12:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOSTON, MA OFFICE OF KPMG ISSUED AN UNQUALIFIED OPINION ON THE CONSOLIDATED AUDITED FINANCIAL STATEMENTS OF THE BETH ISRAEL LAHEY HEALTH, INC. AND AFFILIATES FOR FISCAL PERIOD ENDED SEPTEMBER 30, 2024. THESE STATEMENTS WERE PREPARED IN ACCORDANCE WITH GENERALLY ACCEPTED ACCOUNTING PRINCIPLES (GAAP) AND INCLUDED THE ACCOUNTS OF THE BETH ISRAEL LAHEY HEALTH, INC. (BILH), AND THE ENTITIES FOR WHICH BETH ISRAEL LAHEY HEALTH, INC. (BILH) SERVED AS SOLE MEMBER DURING THE FISCAL PERIOD COVERED BY THIS FILING, (ANNA JAQUES HOSPITAL (AJH), BETH ISRAEL DEACONESS MEDICAL CENTER, INC. (BIDMC), MOUNT AUBURN HOSPITAL (MAH), NEW ENGLAND BAPTIST HOSPITAL (NEBH), BETH ISRAEL DEACONESS HOSPITAL - MILTON, INC. (MILTON), BETH ISRAEL DEACONESS HOSPITAL - NEEDHAM, INC. (NEEDHAM), BETH ISRAEL DEACONESS HOSPITAL - PLYMOUTH, INC. (PLYMOUTH), LAHEY HEALTH SHARED SERVICES (LHSS), LAHEY CLINIC FOUNDATION (LCF), WINCHESTER HOSPITAL (WINCHESTER), NORTHEAST HOSPITAL CORPORATION (NHC) WHICH INCLUDES BEVERLY, ADDISON GILBERT AND BAYRIDGE HOSPITALS, NORTHEAST BEHAVIORAL CORPORATION (NBHC), THE BETH ISRAEL LAHEY HEALTH PERFORMANCE NETWORK (BILHPN), THE JOSLIN DIABETES CENTER, EXETER HEALTH RESOURCES, INC. (EHRI) AND THE BETH ISRAEL LAHEY HEALTH PHARMACY. THE LAHEY CLINIC FOUNDATION IN TURN SERVED AS THE SOLE MEMBER OF LAHEY CLINIC INC, AND LAHEY CLINIC HOSPITAL D/B/A LAHEY HOSPITAL AND MEDICAL CENTER (LHMC). EHRI IN TURN SERVED AS THE SOLE MEMBER OF EXETER HOSPITAL AND OTHER AFFILIATES OF EHRI. EACH OF THESE BILH AFFILIATES MAY IN TURN SERVE AS MEMBER OF ADDITIONAL ENTITIES WITHIN THE NETWORK OF AFFILIATES, AND WHOSE ACCOUNTS ARE INCLUDED IN THE BILH AUDITED FINANCIAL STATEMENTS. IN ADDITION, THE BILH FINANCIAL STATEMENTS ALSO INCLUDE THE ACCOUNTS OF HARVARD MEDICAL FACULTY PHYSICIANS AT BETH ISRAEL DEACONESS MEDICAL CENTER, INC. (HMFP), THE DEDICATED PHYSICIAN PRACTICE OF BETH ISRAEL DEACONESS MEDICAL CENTER AND AN ENTITY INTEGRALLY RELATED TO HELPING BIDMC AND OTHER AFFILIATES IN THE BILH NETWORK ACCOMPLISH THEIR CHARITABLE PURPOSES. THE ACCOUNTS OF THE ENTITIES FOR WHICH HMFP SERVES AS MEMBER ARE ALSO INCLUDED IN THE HMFP AND BILH AUDITED FINANCIAL STATEMENTS. THE AUDIT AND COMPLIANCE COMMITTEE OF BILH'S BOARD OF TRUSTEES ASSUMES RESPONSIBILITY FOR OVERSIGHT OF THE CONSOLIDATED AUDIT FOR THE NETWORK AS A WHOLE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IV, LINE 24A:</FormAndLineReferenceDesc>
        <ExplanationTxt>AS DESCRIBED IN THIS FORM 990 AND FOR THE PERIOD COVERED BY THIS FILING, BETH ISRAEL LAHEY HEALTH, INC. (BILH) IS AN ENTITY EXEMPT FROM INCOME TAX UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE OF 1986, AS AMENDED AND SERVED AS A SUPPORT ORGANIZATION OF AND DIRECT OR INDIRECT SOLE MEMBER OF MOUNT AUBURN PROFESSIONAL SERVICES, INC. DURING THIS SAME PERIOD, MOUNT AUBURN PROFESSIONAL SERVICES, INC. WAS A MEMBER OF THE BILH OBLIGATED GROUP WHICH HAS ISSUED TAX-EXEMPT BOND FINANCING THROUGH EITHER THE BILH OBLIGATED GROUP OR THROUGH A PREVIOUS OBLIGATED GROUP WHICH IS NOW A PART OF THE BILH OBLIGATED GROUP. THE SCHEDULE K AS INCLUDED IN THIS FORM 990 INCLUDES ALL OF THE BILH OBLIGATED GROUP OUTSTANDING TAX-EXEMPT DEBT FOR BONDS ISSUED AFTER DECEMBER 31, 2002, ONLY A PORTION OF WHICH IS ALLOCABLE TO AND REPORTED ON MOUNT AUBURN PROFESSIONAL SERVICES, INC.'S BALANCE SHEET.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IV, LINE 24B:</FormAndLineReferenceDesc>
        <ExplanationTxt>AS REPORTED ON THE FORM 990 SCHEDULE K, THE LAHEY HEALTH SYSTEM INC. (LHSI) SERIES F BONDS WHICH WERE ISSUED IN 2015 ARE NOW PART OF THE BETH ISRAEL LAHEY HEALTH (BILH) OBLIGATED GROUP DEBT. THE BONDS WERE ISSUED IN 2015 AND AS OF SEPTEMBER 30, 2023 THERE WAS A BALANCE REMAINING IN THE CONSTRUCTION FUND. PROCEEDS IN THE CONSTRUCTION FUND WERE UNEXPECTEDLY HELD BEYOND THE THREE-YEAR TEMPORARY PERIOD, AND WERE YIELD RESTRICTED IN COMPLIANCE WITH FEDERAL TAX REQUIREMENTS. ALTHOUGH THESE BONDS ARE NOT ON THE MOUNT AUBURN PROFESSIONAL SERVICES, INC.'S BALANCE SHEET, MOUNT AUBURN PROFESSIONAL SERVICES, INC. IS INCLUDING THIS DISCLOSURE IN ITS FORM 990 BECAUSE MOUNT AUBURN PROFESSIONAL SERVICES, INC. IS A MEMBER OF THE BILH OBLIGATED GROUP.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART V, LINE 1A:</FormAndLineReferenceDesc>
        <ExplanationTxt>AS NOTED THROUGHOUT THIS FILING, BETH ISRAEL LAHEY HEALTH (BILH) SERVED AS A SUPPORT ORGANIZATION AND THE DIRECT OR INDIRECT SOLE MEMBER OF MOUNT AUBURN PROFESSIONAL SERVICES, INC. AS PART OF THAT RELATIONSHIP, BILH PROVIDED CENTRALIZED SUPPORT TO ITS NETWORK OF SUPPORTED ORGANIZATIONS, INCLUDING AMONG OTHER THINGS, OPERATIONAL SUPPORT SUCH AS PROCESSING PAYROLL AND ACCOUNTS PAYABLE. IN THIS CAPACITY BILH ISSUED ALL FORMS 1099 TO NOT ONLY ITS OWN VENDORS AND SERVICE PROVIDERS, BUT ALSO TO THOSE WHO PROVIDED SERVICES TO MOUNT AUBURN PROFESSIONAL SERVICES, INC. FORMS 1099 WERE ALL ISSUED IN THE BILH NAME AND UNDER THE BILH EIN. HOWEVER, IN ACCORDANCE WITH INSTRUCTIONS TO THIS FORM 990, MOUNT AUBURN PROFESSIONAL SERVICES, INC. IS REPORTING THE NUMBER OF FORMS 1099 RELATED TO SERVICES PERFORMED FOR AND PAYMENTS RELATED TO, ITS SERVICE PROVIDERS AS IF THEY WERE PROCESSED DIRECTLY BY MOUNT AUBURN PROFESSIONAL SERVICES, INC. EACH OTHER AFFILIATE IS SIMILARLY REPORTING THE NUMBER OF FORMS 1099 WHICH ARE ATTRIBUTABLE TO THEIR OWN SERVICE PROVIDERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART V, LINE 7G:</FormAndLineReferenceDesc>
        <ExplanationTxt>MOUNT AUBURN PROFESSIONAL SERVICES, INC. DID NOT RECEIVE ANY CONTRIBUTIONS OF INTELLECTUAL PROPERTY AND AS SUCH, WAS NOT REQUIRED TO FILE FORM 8899.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART V, LINE 7H:</FormAndLineReferenceDesc>
        <ExplanationTxt>MOUNT AUBURN PROFESSIONAL SERVICES, INC. DID NOT RECEIVE ANY CONTRIBUTIONS OF CARS, BOATS, AIRPLANES OR OTHER VEHICLES AND AS SUCH, WAS NOT REQUIRED TO FILE FORM 1098-C.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>FOR THE PERIOD COVERED BY THIS FILING, BETH ISRAEL LAHEY HEALTH, INC. (BILH) SERVED AS DIRECT OR INDIRECT SOLE MEMBER OF: BETH ISRAEL DEACONESS MEDICAL CENTER, INC. (BIDMC), MOUNT AUBURN HOSPITAL (MAH), NEW ENGLAND BAPTIST HOSPITAL (NEBH), BETH ISRAEL DEACONESS HOSPITAL MILTON, INC. (MILTON), BETH ISRAEL DEACONESS HOSPITAL NEEDHAM, INC. (NEEDHAM), BETH ISRAEL DEACONESS HOSPITAL PLYMOUTH, INC. (PLYMOUTH), LAHEY CLINIC FOUNDATION (LCF), LAHEY CLINIC (LCI), LAHEY CLINIC HOSPITAL D/B/A LAHEY HOSPITAL AND MEDICAL CENTER (LHMC), WINCHESTER HOSPITAL (WINCHESTER), NORTHEAST HOSPITAL CORPORATION (NORTHEAST), ANNA JAQUES HOSPITAL (AJH), BETH ISRAEL LAHEY HEALTH PHARMACY, JOSLIN DIABETES CENTER, EXETER HEALTH RESOURCES, INC. (EHRI) AND EXETER HOSPITAL. EACH OF THESE AFFILIATES MAY HAVE, IN TURN, SERVED AS MEMBER OF ADDITIONAL ENTITIES WITHIN THE BILH NETWORK OF AFFILIATES. IN ADDITION, HARVARD MEDICAL FACULTY PHYSICIANS AT BETH ISRAEL DEACONESS MEDICAL CENTER, INC. (HMFP) IS THE DEDICATED PHYSICIAN PRACTICE OF BIDMC AND AN ENTITY INTEGRALLY RELATED TO HELPING BIDMC AND OTHER AFFILIATES IN THE BILH NETWORK ACCOMPLISH THEIR CHARITABLE PURPOSES. FOR THIS SAME PERIOD HMFP SERVED AS THE SOLE MEMBER OF AFFILIATED PHYSICIANS OF HARVARD MEDICAL FACULTY PHYSICIANS AT BETH ISRAEL DEACONESS MEDICAL CENTER (APHMFP) AS WELL AS THE DIRECT OR INDIRECT MEMBER OF SEVERAL ADDITIONAL ENTITIES. TWO OR MORE OF THE PERSONS LISTED IN THIS FORM 990 PART VII HAVE A BUSINESS RELATIONSHIP WITH EACH OTHER BY VIRTUE OF SITTING ON ONE OR MORE BOARDS OF DIRECTORS/TRUSTEES OR BY SERVING IN AN EMPLOYMENT RELATIONSHIP WITH ONE OR MORE ENTITIES WITHIN THE NETWORK OF THE AFFILIATED ORGANIZATIONS NOTED ABOVE. ADDITIONAL DETAIL IS PROVIDED IN THE EXPLANATORY NOTES TO THIS FORM 990 SCHEDULE J.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>FOR THE PERIOD COVERED BY THIS FILING, BETH ISRAEL LAHEY HEALTH, INC. (BILH) SERVED AS DIRECT OR INDIRECT SOLE MEMBER OF: BETH ISRAEL DEACONESS MEDICAL CENTER, INC. (BIDMC), MOUNT AUBURN HOSPITAL (MAH), NEW ENGLAND BAPTIST HOSPITAL (NEBH), BETH ISRAEL DEACONESS HOSPITAL MILTON, INC. (MILTON), BETH ISRAEL DEACONESS HOSPITAL NEEDHAM, INC.(NEEDHAM), BETH ISRAEL DEACONESS HOSPITAL PLYMOUTH, INC. (PLYMOUTH), LAHEY CLINIC FOUNDATION (LCF), LAHEY CLINIC (LCI), LAHEY CLINIC HOSPITAL D/B/A LAHEY HOSPITAL AND MEDICAL CENTER (LHMC), WINCHESTER HOSPITAL (WINCHESTER), NORTHEAST HOSPITAL CORPORATION (NORTHEAST), ANNA JAQUES HOSPITAL (AJH), BETH ISRAEL LAHEY HEALTH PHARMACY, JOSLIN DIABETES CENTER, EXETER HEALTH RESOURCES, INC. (EHRI), EXETER HOSPITAL AND TO AFFILIATES OF THESE ENTITIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MEMBER HAS THE AUTHORITY TO ELECT THE GOVERNING BODY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MEMBER OF MOUNT AUBURN PROFESSIONAL SERVICES HAS THE FOLLOWING RIGHTS, AS DESIGNATED IN MOUNT AUBURN PROFESSIONAL SERVICES'S BYLAWS: ESTABLISHMENT OR MODIFICATION OF COMPENSATION OF OR REMOVAL OF THE CHIEF EXECUTIVE OFFICER, IF ANY, OR PRESIDENT OF THE CORPORATION; - ENTERING INTO OF CONTRACTS WHICH BIND THE CORPORATION AND WHICH ARE MANAGED CARE CONTRACTS, EXCLUSIVE CONTRACTS, AGREEMENTS-NOT-TO-COMPETE OR USE SIMILAR ARRANGEMENTS, CONTRACTS FOR MANAGEMENT SERVICES OR OTHER MULTI-YEAR SERVICE CONTRACTS WITH POTENTIALLY SIGNIFICANT MULTI-YEAR BUDGETARY IMPACT; - ADOPTION OF A MISSION STATEMENT AND STRATEGIC, FINANCIAL AND OPERATIONAL PLAN FOR THE CORPORATION; - ADOPTION OF AN ANNUAL OPERATING BUDGET AND ALL CAPITAL BUDGETS; THE BORROWING OF, OR INCIDENCE OF DEBT IN, ANY AMOUNT OTHER THAN (I) FOR PURPOSE OF SECURING WORKING CAPITAL FROM A LENDER WHICH SHALL HAVE BEEN APPROVED BY THE MEMBER AND PURSUANT TO THEN EXISTING AND PROVISIONS RELATING TO SUCH BORROWING WHICH SHALL HAVE BEEN APPROVED BY THE MEMBER, AND (II) DEBT INCURRED IN THE ORDINARY COURSE OF BUSINESS WHICH IS ANTICIPATED IN AND CONSISTENT WITH THE ANNUAL OPERATING BUDGET OR A CAPITAL BUDGET WHICH SHALL HAVE BEEN APPROVED BY THE MEMBER FOR THE YEAR IN WHICH INCURRED; - ANY VOLUNTARY DISSOLUTION, MERGER OR CONSOLIDATION OF THE CORPORATION THE SALE OR TRANSFER OF ALL OR SUBSTANTIALLY ALL OF THE CORPORATION'S ASSETS, THE CREATION, ACQUISITION OR DISPOSAL OF ANY SUBSIDIARY OR AFFILIATED CORPORATION OR THE ADDITION OR ELIMINATION OF ANY CLINICAL DEPARTMENT OR PROGRAM, WHICH DEPARTMENT OR PROGRAM COULD REASONABLY BE ANTICIPATED WOULD MATERIALLY AFFECT THE FINANCIAL STATUS OF THE CORPORATION, OR ITS ABILITY TO CONDUCT ITS BUSINESS, OR THE ENTERING INTO OF ANY JOINT VENTURE OR OTHER PARTNERSHIP ARRANGEMENTS BY THE ENTITY; AND, - INITIATION OF ANY BANKRUPTCY OR INSOLVENCY ACTION ON BEHALF OF THE CORPORATION OR ANY SUBSIDIARY THEREOF.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>AS NOTED IN VARIOUS DISCLOSURES THROUGHOUT THIS FILING, BETH ISRAEL LAHEY HEALTH, INC. (BILH) IS THE DIRECT OR INDIRECT SOLE MEMBER OF MOUNT AUBURN PROFESSIONAL SERVICES, INC. THIS FORM 990 IS PREPARED BY THE BILH TAX DEPARTMENT IN CONJUNCTION WITH DELOITTE TAX, LLP (DELOITTE). AS PART OF THIS PROCESS, THE BILH TAX DEPARTMENT WORKS WITH OTHER DISCIPLINES AND FUNCTIONS WITHIN BILH AND MOUNT AUBURN PROFESSIONAL SERVICES, INC. TO ENSURE THAT ALL FINANCIAL AND NON-FINANCIAL DISCLOSURES ARE COMPLETE AND ACCURATE. EXAMPLES OF SUCH DEPARTMENTS INCLUDE BUT ARE NOT LIMITED TO: FINANCE AND ACCOUNTING, HUMAN RESOURCES AND PAYROLL, TREASURY, COMPLIANCE, LEGAL, COMMUNITY BENEFITS, FINANCIAL ASSISTANCE AND REIMBURSEMENT, GOVERNANCE, DEVELOPMENT, GRADUATE MEDICAL EDUCATION, GOVERNMENT RELATIONS, RESEARCH AND/OR RESEARCH FINANCE. MOUNT AUBURN PROFESSIONAL SERVICES, INC.'S FORM 990 IS REVIEWED INTERNALLY BY THE BILH ASSISTANT VICE PRESIDENT, TAXATION AND EXTERNALLY BY DELOITTE. MOUNT AUBURN PROFESSIONAL SERVICES, INC.'S FORM 990, ALONG WITH THE FORMS 990 OF ALL ENTITIES IN THE BILH NETWORK, ARE DISCUSSED WITH THE BILH AUDIT AND COMPLIANCE COMMITTEE. DELOITTE SIGNS THE FINAL RETURNS. A COPY OF THE COMPLETE RETURN IS THEN PROVIDED TO EACH MEMBER OF MOUNT AUBURN PROFESSIONAL SERVICES, INC.'S BOARD OF TRUSTEES PRIOR TO SUBMISSION TO THE INTERNAL REVENUE SERVICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>AS NOTED THROUGHOUT THIS FILING, MOUNT AUBURN PROFESSIONAL SERVICES, INC. IS A MEMBER OF THE BETH ISRAEL LAHEY HEALTH (BILH) SYSTEM OF AFFILIATES. ALL ENTITIES IN THE BILH NETWORK ADHERE TO THE BILH CONFLICT OF INTEREST POLICY AND MAINTAIN A WRITTEN, COMPREHENSIVE CONFLICT OF INTEREST POLICY AT THE ENTITY LEVEL. PURSUANT TO THESE POLICIES, BILH ENTITIES' OFFICERS, TRUSTEES AND KEY EMPLOYEES AS WELL AS CERTAIN OTHER INDIVIDUALS ARE REQUIRED TO COMPLETE THE ANNUAL CONFLICT OF INTEREST AND TAX QUESTIONNAIRE (COI-TQ). THE COI-TQ IS DESIGNED TO REQUIRE DISCLOSURE OF ANY BUSINESS AND FAMILY RELATIONSHIPS AND AFFILIATIONS MAINTAINED BY OFFICERS, TRUSTEES, OR KEY EMPLOYEES AND THEIR FAMILY MEMBERS AND WHICH MAY RESULT IN A REAL OR PERCEIVED CONFLICT OF INTEREST. THE BILH OFFICE OF INTEGRITY AND COMPLIANCE, IN CONJUNCTION WITH THE BILH TAX DEPARTMENT, ADMINISTERS THE COI-TQ PROCESS ANNUALLY. BILH INTEGRITY AND COMPLIANCE COLLECTS AND REVIEWS ALL DISCLOSURES. DISCLOSURES FOR BILH EXECUTIVES AND KEY EMPLOYEES ARE ASSIGNED APPROPRIATE FOLLOW-UP ACTION IN ACCORDANCE WITH THE BILH POLICY. A SUMMARY OF POSITIVE RESPONSES FOR EACH BILH AFFILIATE IS PROVIDED TO THE COMPLIANCE OFFICER FOR THAT ENTITY FOR REVIEW FINAL DETERMINATION OF ANY POTENTIAL OR ACTUAL CONFLICT. ANY ACTIVITY THAT REQUIRES ACTION UNDER THE CONFLICT OF INTEREST POLICIES IS SUBJECT TO ONGOING REVIEW BY MOUNT AUBURN PROFESSIONAL SERVICES, INC. AS WELL AS THE BILH INTEGRITY AND COMPLIANCE OFFICE. PURSUANT TO THE BILH CONFLICT OF INTEREST POLICY, CERTAIN ACTIVITIES WHICH COULD CREATE CONFLICTS OF INTEREST ARE PROHIBITED WHILE OTHER TYPES OF RELATIONSHIPS ARE PERMITTED, SUBJECT TO COMPLIANCE WITH A MANAGEMENT PLAN TO REQUIRE DISCLOSURE AND RECUSAL, INCLUDING APPROPRIATE DOCUMENTATION IN THE MINUTES. IN ADDITION, AS NOTED ABOVE, THE ANNUAL COI-TQ PROCESS OUTLINED ABOVE IS JOINTLY ISSUED BY THE BILH TAX DEPARTMENT, TO ENSURE THAT THE QUESTIONNAIRE IS DISTRIBUTED TO ALL CURRENT AND FORMER MEMBERS OF THE MOUNT AUBURN PROFESSIONAL SERVICES, INC., BOARD OF TRUSTEES AS WELL AS FORMER OFFICERS AND KEY EMPLOYEES. THE COI-TQ PROCESS IS DESIGNED TO GATHER THE INFORMATION NECESSARY FOR MOUNT AUBURN PROFESSIONAL SERVICES, INC. TO COMPLETELY AND ACCURATELY COMPLETE FORM 990 SCHEDULE L, TRANSACTIONS WITH INTERESTED PERSONS AND FORM 990, PART VI, QUESTION 2, FAMILY AND BUSINESS RELATIONSHIPS BETWEEN OFFICERS, DIRECTORS/TRUSTEES AND KEY EMPLOYEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>AS NOTED THROUGHOUT THIS FILING, MOUNT AUBURN PROFESSIONAL SERVICES, INC. IS A MEMBER OF THE BETH ISRAEL LAHEY HEALTH (BILH) NETWORK OF AFFILIATES WITH BILH SERVING AS MOUNT AUBURN PROFESSIONAL SERVICES, INC.'S SOLE MEMBER, OR IF NOT AS DIRECT SOLE MEMBER, INDIRECTLY AS THE MEMBER IN ITS CAPACITY AS PARENT OF THE BETH ISRAEL LAHEY HEALTH NETWORK. IN THIS ROLE BILH MAINTAINS THE RESPONSIBILITY FOR SETTING COMPENSATION FOR EXECUTIVES AND SENIOR MANAGEMENT OF THE ENTITIES WHICH COMPRISED THE BETH ISRAEL LAHEY HEALTH NETWORK. THE BILH COMPENSATION COMMITTEE IS THEREFORE RESPONSIBLE FOR ASSURING THAT THE TOTAL COMPENSATION PROVIDED TO THESE INDIVIDUALS IS FAIR AND REASONABLE USING CURRENT AND CREDIBLE MARKET PRACTICE INFORMATION AND IS RESPONSIBLE FOR ENSURING COMPLIANCE WITH APPLICABLE LEGAL AND REGULATORY GUIDELINES. THE BILH COMPENSATION COMMITTEE IS COMPOSED OF INDEPENDENT MEMBERS OF ITS BOARD OF TRUSTEES AND EXCEPT AS OTHERWISE NOTED BELOW OR IN FORM 990 SCHEDULE J, THE COMPENSATION REPORTED IN THIS FORM 990 FOR MOUNT AUBURN PROFESSIONAL SERVICES, INC.'S OFFICERS, TRUSTEES AND KEY EMPLOYEES WAS SET BY THE BILH COMPENSATION COMMITTEE. THE BILH COMPENSATION COMMITTEE PROCESS FOR SETTING COMPENSATION IS BELOW. THE BETH ISRAEL LAHEY HEALTH (BILH) COMPENSATION COMMITTEE ESTABLISHES THE POLICIES AND THE COMPENSATION STRUCTURE, INCLUDING BENEFITS, FOR THE BETH ISRAEL LAHEY HEALTH NETWORK OF AFFILIATES INCLUDING THE BILH CHIEF EXECUTIVE OFFICER AS WELL AS OTHER MEMBERS OF SENIOR MANAGEMENT AT BILH AND ITS AFFILIATES. THE COMPENSATION COMMITTEE IS RESPONSIBLE FOR ASSURING THAT THE TOTAL COMPENSATION PROVIDED TO THESE INDIVIDUALS IS FAIR AND REASONABLE USING CURRENT AND CREDIBLE MARKET PRACTICE INFORMATION AND IS RESPONSIBLE FOR ENSURING COMPLIANCE WITH APPLICABLE LEGAL AND REGULATORY GUIDELINES. THE BILH COMPENSATION COMMITTEE IS COMPOSED OF INDEPENDENT MEMBERS OF ITS BOARD OF TRUSTEES. IN SETTING COMPENSATION, THE COMPENSATION COMMITTEE RELIES UPON PUBLISHED COMPENSATION SURVEYS AND STUDIES PRODUCED BY INDEPENDENT COMPENSATION CONSULTING FIRMS THAT REGULARLY ASSESS EXECUTIVE COMPENSATION AND BENEFITS OF SUBSTANTIALLY SIMILAR ORGANIZATIONS. THE COMPENSATION COMMITTEE MEETS TO REVIEW THE COMPENSATION STRUCTURE OF THE INDIVIDUALS DESCRIBED ABOVE AND AT THAT TIME REVIEWS THE COMPENSATION SURVEY DETAILS PREPARED BY THE INDEPENDENT COMPENSATION CONSULTING FIRM. FOR SOME CATEGORIES OF POSITIONS, THE COMPENSATION COMMITTEE WILL REVIEW THE COMPENSATION STRUCTURE AND TARGETS AS A GROUP, RATHER THAN BY INDIVIDUAL. COMPENSATION FOR THE BILH CEO AND OTHER SENIOR EXECUTIVES IS REVIEWED ON AN INDIVIDUAL BASIS. THE COMPENSATION COMMITTEE THEN VOTES TO APPROVE THE COMPENSATION ARRANGEMENTS OF ALL INDIVIDUALS DESCRIBED ABOVE EXCEPT FOR THE BILH CEO. THE COMPENSATION PACKAGE FOR THE BILH CEO AS VOTED BY THE COMPENSATION COMMITTEE IS SUBMITTED TO THE FULL BOARD OF TRUSTEES FOR APPROVAL. ALL DELIBERATIONS FOR BOTH THE COMPENSATION COMMITTEE AND THE BOARD OF TRUSTEES ARE CONTEMPORANEOUSLY DOCUMENTED IN MINUTES. THE COMPENSATION COMMITTEE PROCESSES AND PROCEDURES AS DESCRIBED ABOVE ARE DESIGNED TO MEET THE REQUIREMENTS OF TREASURY REGULATION SECTION 53.4958-6(C), REBUTTABLE PRESUMPTION THAT A TRANSACTION IS NOT AN EXCESS BENEFIT TRANSACTION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>AS NOTED THROUGHOUT THIS FILING, MOUNT AUBURN PROFESSIONAL SERVICES, INC. IS A MEMBER OF THE BETH ISRAEL LAHEY HEALTH (BILH) NETWORK OF AFFILIATES WITH BILH SERVING AS MOUNT AUBURN PROFESSIONAL SERVICES, INC.'S SOLE MEMBER, OR IF NOT AS DIRECT SOLE MEMBER, INDIRECTLY AS THE MEMBER IN ITS CAPACITY AS PARENT OF THE BETH ISRAEL LAHEY HEALTH NETWORK. MOUNT AUBURN PROFESSIONAL SERVICES, INC.'S GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE GENERAL PUBLIC UPON REQUEST AT THE FOLLOWING LOCATION: BETH ISRAEL LAHEY HEALTH TAX DEPARTMENT SCHRAFFT'S CITY CENTER, 4TH FLOOR, 529 MAIN STREET CHARLESTOWN, MA 02129</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>AS NOTED THROUGHOUT THIS FORM 990, MOUNT AUBURN PROFESSIONAL SERVICES, INC. IS A MEMBER OF THE BETH ISRAEL LAHEY HEALTH NETWORK OF AFFILIATES. BETH ISRAEL LAHEY HEALTH (BILH) SERVES AS THE DIRECT OR INDIRECT MEMBER OF MOUNT AUBURN PROFESSIONAL SERVICES, INC. AND MOUNT AUBURN PROFESSIONAL SERVICES, INC. IS INCLUDED IN THE CONSOLIDATED AUDITED FINANCIAL STATEMENTS OF BETH ISRAEL LAHEY HEALTH. THE AUDIT AND COMPLIANCE COMMITTEE OF BILH'S BOARD OF TRUSTEES ASSUMES RESPONSIBILITY FOR OVERSIGHT OF THE CONSOLIDATED AUDIT FOR THE NETWORK AS A WHOLE.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>ADDISON GILBERT SOCIETY INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>529 MAIN ST 4TH FL</AddressLine1Txt>
          <CityNm>CHARLESTOWN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
        <EIN>464371382</EIN>
        <PrimaryActivitiesTxt>PROFESSIONAL SERVICES &amp; FINANCIAL SUPPORT</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>LAHEY HEALTH SHARED SERVICES INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>ANNA JAQUES HOSPITAL</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>25 HIGHLAND AVE</AddressLine1Txt>
          <CityNm>NEWBURYPORT</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01950</ZIPCd>
        </USAddress>
        <EIN>042104338</EIN>
        <PrimaryActivitiesTxt>HEALTHCARE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>3</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>ASSOC PHYS HARVARD MED FAC PHY AT BIDMC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>375 LONGWOOD AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>320058309</EIN>
        <PrimaryActivitiesTxt>TO PROVIDE EMERGENCY MEDICAL SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>HARVARD MEDICAL FACULTY PHYSICIANS AT BETH ISRAEL DEACONESS MEDICAL CENTER</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BAIM INSTITUTE FOR CLINICAL RESEARCH INC DBA BAIM INSTITUTE</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>930 COMMONWEALTH AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>043521077</EIN>
        <PrimaryActivitiesTxt>SCIENTIFIC &amp; MEDICAL RESEARCH</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>7</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL ANAESTHESIA FOUNDATION INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>330 BROOKLINE AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>042997215</EIN>
        <PrimaryActivitiesTxt>SUPPORT PATIENT CARE, RESEARCH AND TEACHING MISSIONS OF BIDMC, HFMP AND HMS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>HARVARD MEDICAL FACULTY PHYSICIANS AT BETH ISRAEL DEACONESS MEDICAL CENTER</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL COMMUNITY FOUNDATION INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>330 BROOKLINE AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>042776678</EIN>
        <PrimaryActivitiesTxt>INACTIVE CORPORATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>3</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL DEACONESS DEPARTMENT OF EMERGENCY MEDICINE FOUNDATION INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>330 BROOKLINE AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>364803234</EIN>
        <PrimaryActivitiesTxt>SUPPORT PATIENT CARE, RESEARCH AND TEACHING MISSIONS OF BIDMC, HFMP AND HMS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>HARVARD MEDICAL FACULTY PHYSICIANS AT BETH ISRAEL DEACONESS MEDICAL CENTER</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL DEACONESS DEPARTMENT OF MEDICINE FOUNDATION INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>330 BROOKLINE AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>043079630</EIN>
        <PrimaryActivitiesTxt>SUPPORT PATIENT CARE, RESEARCH AND TEACHING MISSIONS OF BIDMC, HFMP AND HMS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>HARVARD MEDICAL FACULTY PHYSICIANS AT BETH ISRAEL DEACONESS MEDICAL CENTER</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL DEACONESS DEPARTMENT OF NEONATOLOGY FOUNDATION INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>330 BROOKLINE AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>208253452</EIN>
        <PrimaryActivitiesTxt>SUPPORT PATIENT CARE, RESEARCH AND TEACHING MISSIONS OF BIDMC, HFMP AND HMS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>HARVARD MEDICAL FACULTY PHYSICIANS AT BETH ISRAEL DEACONESS MEDICAL CENTER</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL DEACONESS DEPARTMENT OF NEUROLOGY FOUNDATION INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>330 BROOKLINE AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>043030397</EIN>
        <PrimaryActivitiesTxt>SUPPORT PATIENT CARE, RESEARCH AND TEACHING MISSIONS OF BIDMC, HFMP AND HMS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>HARVARD MEDICAL FACULTY PHYSICIANS AT BETH ISRAEL DEACONESS MEDICAL CENTER</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL DEACONESS DEPARTMENT OF ORTHOPAEDIC SURGERY FOUNDATION INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>330 BROOKLINE AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>204974585</EIN>
        <PrimaryActivitiesTxt>SUPPORT PATIENT CARE, RESEARCH AND TEACHING MISSIONS OF BIDMC, HFMP AND HMS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>HARVARD MEDICAL FACULTY PHYSICIANS AT BETH ISRAEL DEACONESS MEDICAL CENTER</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL DEACONESS DEPARTMENT OF RADIATION ONCOLOGY FOUNDATION INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>330 BROOKLINE AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>873655583</EIN>
        <PrimaryActivitiesTxt>SUPPORT PATIENT CARE, RESEARCH AND TEACHING MISSIONS OF BIDMC, HMFP AND HMS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>HARVARD MEDICAL FACULTY PHYSICIANS AT BETH ISRAEL DEACONESS MEDICAL CENTER</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL DEACONESS DEPARTMENT OF SURGERY FOUNDATION INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>110 FRANCIS ST</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>020671240</EIN>
        <PrimaryActivitiesTxt>SUPPORT PATIENT CARE, RESEARCH AND TEACHING MISSIONS OF BIDMC, HFMP AND HMS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>HARVARD MEDICAL FACULTY PHYSICIANS AT BETH ISRAEL DEACONESS MEDICAL CENTER</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL DEACONESS HOSPITAL MILTON INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>199 REEDSDALE RD</AddressLine1Txt>
          <CityNm>MILTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02186</ZIPCd>
        </USAddress>
        <EIN>042103604</EIN>
        <PrimaryActivitiesTxt>HOSPITAL FOR THE TREATMENT, CARE AND RELIEF OF SICK AND SUFFERING PERSONS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>3</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL DEACONESS HOSPITAL NEEDHAM INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>148 CHESTNUT ST</AddressLine1Txt>
          <CityNm>NEEDHAM</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02492</ZIPCd>
        </USAddress>
        <EIN>043229679</EIN>
        <PrimaryActivitiesTxt>HOSPITAL FOR THE TREATMENT, CARE AND RELIEF OF SICK AND SUFFERING PERSONS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>3</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL DEACONESS HOSPITAL PLYMOUTH INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>275 SANDWICH ST</AddressLine1Txt>
          <CityNm>PLYMOUTH</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02360</ZIPCd>
        </USAddress>
        <EIN>222667354</EIN>
        <PrimaryActivitiesTxt>HOSPITAL FOR THE TREATMENT, CARE AND RELIEF OF SICK AND SUFFERING PERSONS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>3</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL DEACONESS MEDICAL CENTER INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>330 BROOKLINE AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>042103881</EIN>
        <PrimaryActivitiesTxt>THE OPERATION OF A WORLD CLASS ACADEMIC MEDICAL CENTER IN BOSTON, MA</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>3</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL DERMATOLOGY FOUNDATION INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>330 BROOKLINE AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>043117601</EIN>
        <PrimaryActivitiesTxt>SUPPORT PATIENT CARE, RESEARCH AND TEACHING MISSIONS OF BIDMC, HFMP AND HMS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>HARVARD MEDICAL FACULTY PHYSICIANS AT BETH ISRAEL DEACONESS MEDICAL CENTER</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH PHARMACY INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>80 WILSON WAY</AddressLine1Txt>
          <CityNm>WESTWOOD</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02090</ZIPCd>
        </USAddress>
        <EIN>822526816</EIN>
        <PrimaryActivitiesTxt>TO OPERATE A SPECIALTY PHARMACY AND 340B PROGRAM FOR BIDMC</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL DEACONESS MEDICAL CENTER INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH PRIMARY CARE</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>529 MAIN ST 4TH FL</AddressLine1Txt>
          <CityNm>CHARLESTOWN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
        <EIN>472248298</EIN>
        <PrimaryActivitiesTxt>HEALTHCARE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>LAHEY HEALTH SHARED SERVICES INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>529 MAIN ST 4TH FL</AddressLine1Txt>
          <CityNm>CHARLESTOWN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
        <EIN>832671600</EIN>
        <PrimaryActivitiesTxt>MANAGEMENT PROFESSIONAL &amp; IT SUPPORT SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12C, III-FI</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BIDMC AND CHILDREN'S HOSPITAL MEDICAL CARE CORP</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>300 LONGWOOD AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>043200113</EIN>
        <PrimaryActivitiesTxt>OUTPATIENT AMBULATORY CENTER - INACTIVE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BIDMC OBSTETRICS AND GYNECOLOGY FOUNDATION INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>330 BROOKLINE AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>042794855</EIN>
        <PrimaryActivitiesTxt>SUPPORT PATIENT CARE, RESEARCH AND TEACHING MISSIONS OF BIDMC, HFMP AND HMS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>HARVARD MEDICAL FACULTY PHYSICIANS AT BETH ISRAEL DEACONESS MEDICAL CENTER</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BID-MILTON PHYSICIAN ASSOCIATES INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>199 REEDSDALE ROAD</AddressLine1Txt>
          <CityNm>MILTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02186</ZIPCd>
        </USAddress>
        <EIN>222566792</EIN>
        <PrimaryActivitiesTxt>PROMOTE HEALTHCARE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL DEACONESS HOSPITAL - MILTON</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BIH PATHOLOGY FOUNDATION INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>330 BROOKLINE AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>222548374</EIN>
        <PrimaryActivitiesTxt>SUPPORT PATIENT CARE, RESEARCH AND TEACHING MISSIONS OF BIDMC, HFMP AND HMS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>HARVARD MEDICAL FACULTY PHYSICIANS AT BETH ISRAEL DEACONESS MEDICAL CENTER</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BIH RADIOLOGIC FOUNDATION INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>330 BROOKLINE AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>042571853</EIN>
        <PrimaryActivitiesTxt>SUPPORT PATIENT CARE, RESEARCH AND TEACHING MISSIONS OF BIDMC, HFMP AND HMS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>HARVARD MEDICAL FACULTY PHYSICIANS AT BETH ISRAEL DEACONESS MEDICAL CENTER</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>CAB HEALTH AND RECOVERY SERVICES INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>199 ROSEWOOD DRIVE</AddressLine1Txt>
          <CityNm>DANVERS</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01923</ZIPCd>
        </USAddress>
        <EIN>042400270</EIN>
        <PrimaryActivitiesTxt>SUBSTANCE ABUSE - INACTIVE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NORTHEAST BEHAVIORAL HEALTH CORPORATION</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>CENTER FOR MEDICAL SIMULATION</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>100 FIRST AVE BUILDING 39 4TH</AddressLine1Txt>
          <CityNm>CHARLESTOWN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
        <EIN>043486127</EIN>
        <PrimaryActivitiesTxt>TO IMPROVE PATIENT SAFETY AND HEALTH CARE QUALITY</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL ANAESTHESIA FOUNDATION INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>COMMUNITY PHYSICIANS ASSOCIATES INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>199 REEDSDALE RD</AddressLine1Txt>
          <CityNm>MILTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02186</ZIPCd>
        </USAddress>
        <EIN>043243146</EIN>
        <PrimaryActivitiesTxt>OUTPATIENT AND PRIMARY CARE SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>3</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL DEACONESS HOSPITAL - MILTON</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>CONTINUING EDU PROGRAM DBA BID DEPT OF PSYCH FDN</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>375 LONGWOOD AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>043242952</EIN>
        <PrimaryActivitiesTxt>SUPPORT PATIENT CARE, RESEARCH AND TEACHING MISSIONS OF BIDMC, HFMP AND HMS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>HARVARD MEDICAL FACULTY PHYSICIANS AT BETH ISRAEL DEACONESS MEDICAL CENTER</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>CORE PHYSICIANS LLC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5 ALUMNI DRIVE</AddressLine1Txt>
          <CityNm>EXETER</CityNm>
          <StateAbbreviationCd>NH</StateAbbreviationCd>
          <ZIPCd>03833</ZIPCd>
        </USAddress>
        <EIN>870807914</EIN>
        <PrimaryActivitiesTxt>PHYSICIAN PRACTICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NH</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>EXETER HEALTH RESOURCES INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>CPHCH INC DBA BILH AT HOME - WATERTOWN</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>C/O NRPN 600 CUMMINGS CTR</AddressLine1Txt>
          <CityNm>BEVERLY</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01915</ZIPCd>
        </USAddress>
        <EIN>473111453</EIN>
        <PrimaryActivitiesTxt>HOME CARE &amp; HOSPICE - INACTIVE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NORTHEAST SENIOR HEALTH CORPORATION</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>EXETER HEALTH RESOURCES SELF-INSURANCE TRUST</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5 ALUMNI DRIVE</AddressLine1Txt>
          <CityNm>EXETER</CityNm>
          <StateAbbreviationCd>NH</StateAbbreviationCd>
          <ZIPCd>03833</ZIPCd>
        </USAddress>
        <EIN>200753662</EIN>
        <PrimaryActivitiesTxt>SELF-INSURANCE TRUST</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NH</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>EXETER HEALTH RESOURCES INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>EXETER HEALTH RESOURCES INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5 ALUMNI DRIVE</AddressLine1Txt>
          <CityNm>EXETER</CityNm>
          <StateAbbreviationCd>NH</StateAbbreviationCd>
          <ZIPCd>03833</ZIPCd>
        </USAddress>
        <EIN>020222126</EIN>
        <PrimaryActivitiesTxt>SUPPORT COMMUNITY HEALTH &amp; NETWORK MGMT SVCS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NH</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>EXETER HOSPITAL INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5 ALUMNI DRIVE</AddressLine1Txt>
          <CityNm>EXETER</CityNm>
          <StateAbbreviationCd>NH</StateAbbreviationCd>
          <ZIPCd>03833</ZIPCd>
        </USAddress>
        <EIN>222674014</EIN>
        <PrimaryActivitiesTxt>HOSPITAL FOR THE TREATMENT, CARE AND RELIEF OF SICK AND SUFFERING PERSONS.</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NH</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>3</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>EXETER HEALTH RESOURCES INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>EXETER MED REAL INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5 ALUMNI DRIVE</AddressLine1Txt>
          <CityNm>EXETER</CityNm>
          <StateAbbreviationCd>NH</StateAbbreviationCd>
          <ZIPCd>03833</ZIPCd>
        </USAddress>
        <EIN>020418718</EIN>
        <PrimaryActivitiesTxt>REAL ESTATE HOLDING COMPANY</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NH</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(25)</ExemptCodeSectionTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>EXETER HEALTH RESOURCES INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>HARVARD MEDICAL FACULTY PHYSICIANS AT BIDMC INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>375 LONGWOOD AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>222768204</EIN>
        <PrimaryActivitiesTxt>GENERAL AND SPECIALIZED MEDICAL SERVICES TO THE PATIENTS OF BIDMC AND OTHERS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL DEACONESS MEDICAL CENTER INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>HEALTH AND EDUCATION HOUSING SERVICES INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>199 ROSEWOOD DRIVE</AddressLine1Txt>
          <CityNm>DANVERS</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01923</ZIPCd>
        </USAddress>
        <EIN>223232914</EIN>
        <PrimaryActivitiesTxt>HUD HOUSING - INACTIVE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NORTHEAST BEHAVIORAL HEALTH CORPORATION</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>JORDAN PHYSICIAN ASSOCIATES INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>275 SANDWICH ST</AddressLine1Txt>
          <CityNm>PLYMOUTH</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02360</ZIPCd>
        </USAddress>
        <EIN>043228556</EIN>
        <PrimaryActivitiesTxt>OUTPATIENT AND PRIMARY CARE SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL DEACONESS HOSPITAL-PLYMOUTH INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>JOSLIN CLINIC INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>ONE JOSLIN PLACE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>222984590</EIN>
        <PrimaryActivitiesTxt>PREVENTION, TREATMENT, AND CURE OF DIABETES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>JOSLIN DIABETES CENTER INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>JOSLIN DIABETES CENTER INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>ONE JOSLIN PLACE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>042203836</EIN>
        <PrimaryActivitiesTxt>PREVENTION, TREATMENT, AND CURE OF DIABETES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>7</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>LAHEY CLINIC CANADIAN FOUNDATION</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <ForeignAddress>
          <AddressLine1Txt>130 KING ST WEST</AddressLine1Txt>
          <CityNm>TORONTO</CityNm>
          <ProvinceOrStateNm>ONTARIO</ProvinceOrStateNm>
          <CountryCd>CA</CountryCd>
        </ForeignAddress>
        <PrimaryActivitiesTxt>FUNDRAISING ORG</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>CA</LegalDomicileForeignCountryCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>LAHEY CLINIC FOUNDATION INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>529 MAIN ST 4TH FL</AddressLine1Txt>
          <CityNm>CHARLESTOWN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
        <EIN>042323457</EIN>
        <PrimaryActivitiesTxt>FINANCIAL &amp; OPERATIONAL SUPPORT TO LCI AND LCH</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>7</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>LAHEY CLINIC HOSPITAL INC DBA LAHEY HOSPITAL &amp; MEDICAL CENTER AND LMC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>529 MAIN ST 4TH FL</AddressLine1Txt>
          <CityNm>CHARLESTOWN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
        <EIN>042704686</EIN>
        <PrimaryActivitiesTxt>HEALTHCARE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>3</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>LAHEY CLINIC FOUNDATION INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>LAHEY CLINIC INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>529 MAIN ST 4TH FL</AddressLine1Txt>
          <CityNm>CHARLESTOWN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
        <EIN>042704683</EIN>
        <PrimaryActivitiesTxt>HEALTHCARE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>LAHEY CLINIC FOUNDATION INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>LAHEY HEALTH SHARED SERVICES INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>529 MAIN ST 4TH FL</AddressLine1Txt>
          <CityNm>CHARLESTOWN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
        <EIN>043178972</EIN>
        <PrimaryActivitiesTxt>ADMIN</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>MED CARE OF BOSTON MGMT CORP DBA BILH PRIMARY CARE</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>464 HILLSIDE AVE</AddressLine1Txt>
          <CityNm>NEEDHAM</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02494</ZIPCd>
        </USAddress>
        <EIN>042810972</EIN>
        <PrimaryActivitiesTxt>OUTPATIENT, PRIMARY CARE AND SPECIALTY SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH PRIMARY CARE</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>MOUNT AUBURN HOSPITAL</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>330 MOUNT AUBURN ST</AddressLine1Txt>
          <CityNm>CAMBRIDGE</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02138</ZIPCd>
        </USAddress>
        <EIN>042103606</EIN>
        <PrimaryActivitiesTxt>HOSPITAL FOR THE TREATMENT, CARE AND RELIEF OF SICK AND SUFFERING PERSONS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>3</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>NEW ENGLAND BAPTIST HOSPITAL</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>125 PARKER HILL AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02120</ZIPCd>
        </USAddress>
        <EIN>042103612</EIN>
        <PrimaryActivitiesTxt>ORTHOPEDIC SPECIALTY HOSPITAL</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>3</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>NEW ENGLAND BAPTIST MEDICAL ASSOCIATES INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>125 PARKER HILL AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02120</ZIPCd>
        </USAddress>
        <EIN>043235796</EIN>
        <PrimaryActivitiesTxt>OUTPATIENT MEDICAL SERVICES TO THE VARIOUS COMMUNITIES SERVICED BY NEBH</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>3</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NEW ENGLAND BAPTIST HOSPITAL</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>NORTHEAST BEHAVIORAL HEALTH CORP DBA BILH BEHAVIORAL HEALTH SERVICES</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>199 ROSEWOOD DRIVE</AddressLine1Txt>
          <CityNm>DANVERS</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01923</ZIPCd>
        </USAddress>
        <EIN>042777145</EIN>
        <PrimaryActivitiesTxt>HEALTHCARE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>NORTHEAST HEALTH SYSTEMS INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>85 HERRICK ST</AddressLine1Txt>
          <CityNm>BEVERLY</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01915</ZIPCd>
        </USAddress>
        <EIN>043240453</EIN>
        <PrimaryActivitiesTxt>FINANCIAL &amp; OPERATIONAL SUPPORT</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12B, II</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>LAHEY HEALTH SHARED SERVICES INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>NORTHEAST HOSPITAL CORPORATION</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>85 HERRICK ST</AddressLine1Txt>
          <CityNm>BEVERLY</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01915</ZIPCd>
        </USAddress>
        <EIN>042121317</EIN>
        <PrimaryActivitiesTxt>HEALTHCARE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>3</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>NORTHEAST MEDICAL PRACTICE INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>85 HERRICK ST</AddressLine1Txt>
          <CityNm>BEVERLY</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01915</ZIPCd>
        </USAddress>
        <EIN>043201853</EIN>
        <PrimaryActivitiesTxt>HEALTHCARE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NORTHEAST HOSPITAL CORPORATION</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>NORTHEAST PROFESSIONAL REGISTRY OF NURSES INC DBA BILH AT HOME</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>800 CUMMINGS CENTER</AddressLine1Txt>
          <CityNm>BEVERLY</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01915</ZIPCd>
        </USAddress>
        <EIN>201287349</EIN>
        <PrimaryActivitiesTxt>HEALTHCARE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NORTHEAST SENIOR HEALTH CORPORATION</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>NORTHEAST SENIOR HEALTH CORPORATION</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>85 HERRICK ST</AddressLine1Txt>
          <CityNm>BEVERLY</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01915</ZIPCd>
        </USAddress>
        <EIN>042731137</EIN>
        <PrimaryActivitiesTxt>HEALTHCARE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>LAHEY HEALTH SHARED SERVICES INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>ROCKINGHAM VISITING NURSE ASSOCIATION AND HOSPICE</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5 ALUMNI DRIVE</AddressLine1Txt>
          <CityNm>EXETER</CityNm>
          <StateAbbreviationCd>NH</StateAbbreviationCd>
          <ZIPCd>03833</ZIPCd>
        </USAddress>
        <EIN>020274905</EIN>
        <PrimaryActivitiesTxt>HOME CARE &amp; HOSPICE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NH</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>EXETER HEALTH RESOURCES INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>SEACOAST AFFILIATED GROUP PRACTICE INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>25 HIGHLAND AVE</AddressLine1Txt>
          <CityNm>NEWBURYPORT</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01915</ZIPCd>
        </USAddress>
        <EIN>043485648</EIN>
        <PrimaryActivitiesTxt>PHYSICIAN GROUP</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>ANNA JAQUES HOSPITAL INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>SEACOAST NURSING AND REHABILITATION CENTER INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>300 WASHINGTON ST</AddressLine1Txt>
          <CityNm>GLOUCESTER</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01930</ZIPCd>
        </USAddress>
        <EIN>041305001</EIN>
        <PrimaryActivitiesTxt>HEALTHCARE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>LAHEY HEALTH SHARED SERVICES INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>THE JORDAN HEALTH SYSTEMS INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>275 SANDWICH ST</AddressLine1Txt>
          <CityNm>PLYMOUTH</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02360</ZIPCd>
        </USAddress>
        <EIN>042103805</EIN>
        <PrimaryActivitiesTxt>PROMOTE HEALTHCARE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>7</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL DEACONESS MEDICAL CENTER INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>WINCHESTER COMMUNITY ACCOUNTABLE CARE ORGANIZATION INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>41 HIGHLAND AVE</AddressLine1Txt>
          <CityNm>WINCHESTER</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01890</ZIPCd>
        </USAddress>
        <EIN>223137856</EIN>
        <PrimaryActivitiesTxt>ACO - INACTIVE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>WINCHESTER HEALTHCARE MANAGEMENT INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>WINCHESTER HEALTHCARE MANAGEMENT INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>41 HIGHLAND AVE</AddressLine1Txt>
          <CityNm>WINCHESTER</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01890</ZIPCd>
        </USAddress>
        <EIN>222701817</EIN>
        <PrimaryActivitiesTxt>MANAGEMENT</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>LAHEY HEALTH SHARED SERVICES INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>WINCHESTER HOSPITAL</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>41 HIGHLAND AVE</AddressLine1Txt>
          <CityNm>WINCHESTER</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01890</ZIPCd>
        </USAddress>
        <EIN>042104434</EIN>
        <PrimaryActivitiesTxt>HEALTHCARE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>3</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>WINCHESTER HOSPITAL FOUNDATION INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>41 HIGHLAND AVE</AddressLine1Txt>
          <CityNm>WINCHESTER</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01890</ZIPCd>
        </USAddress>
        <EIN>043399570</EIN>
        <PrimaryActivitiesTxt>PROFESSIONAL SERVICES &amp; FINANCIAL SUPPORT</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>WINCHESTER HEALTHCARE MANAGEMENT INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedOrgTxblPartnershipGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH SURGERY CENTER PLYMOUTH LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>41 RESNIK ROAD</AddressLine1Txt>
          <CityNm>PLYMOUTH</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02360</ZIPCd>
        </USAddress>
        <EIN>883871838</EIN>
        <PrimaryActivitiesTxt>SURGERY CENTER</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <DisproportionateAllocationsInd>0</DisproportionateAllocationsInd>
        <GeneralOrManagingPartnerInd>0</GeneralOrManagingPartnerInd>
      </IdRelatedOrgTxblPartnershipGrp>
      <IdRelatedOrgTxblPartnershipGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>BIDCO HOSPITAL LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>247 STATION DRIVE NORTHWEST 1</AddressLine1Txt>
          <CityNm>WESTWOOD</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02090</ZIPCd>
        </USAddress>
        <EIN>461643790</EIN>
        <PrimaryActivitiesTxt>COORDINATED SAFE AND COST EFFECTIVE PATIENT CARE AT BIDMC</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <DisproportionateAllocationsInd>0</DisproportionateAllocationsInd>
        <GeneralOrManagingPartnerInd>0</GeneralOrManagingPartnerInd>
      </IdRelatedOrgTxblPartnershipGrp>
      <IdRelatedOrgTxblPartnershipGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>BIDCO PHYSICIAN LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>600 UNICORN PARK DRIVE 4TH FL</AddressLine1Txt>
          <CityNm>WOBURN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01801</ZIPCd>
        </USAddress>
        <EIN>461589743</EIN>
        <PrimaryActivitiesTxt>COORDINATED SAFE AND COST EFFECTIVE PATIENT CARE AT BILH</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <DisproportionateAllocationsInd>0</DisproportionateAllocationsInd>
        <GeneralOrManagingPartnerInd>0</GeneralOrManagingPartnerInd>
      </IdRelatedOrgTxblPartnershipGrp>
      <IdRelatedOrgTxblPartnershipGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>BILH INVESTMENT PARTNERSHIP LLP</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>529 MAIN ST 4TH FL</AddressLine1Txt>
          <CityNm>CHARLESTOWN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
        <EIN>043278109</EIN>
        <PrimaryActivitiesTxt>INVESTMENT PARTNERSHIP</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <DisproportionateAllocationsInd>0</DisproportionateAllocationsInd>
        <GeneralOrManagingPartnerInd>0</GeneralOrManagingPartnerInd>
      </IdRelatedOrgTxblPartnershipGrp>
      <IdRelatedOrgTxblPartnershipGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>NEBSC HOSPITAL HOLDINGS LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>125 PARKER HILL AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02120</ZIPCd>
        </USAddress>
        <EIN>874293833</EIN>
        <PrimaryActivitiesTxt>INVESTMENT PARTNERSHIP</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <DisproportionateAllocationsInd>0</DisproportionateAllocationsInd>
        <GeneralOrManagingPartnerInd>0</GeneralOrManagingPartnerInd>
      </IdRelatedOrgTxblPartnershipGrp>
      <IdRelatedOrgTxblPartnershipGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>NEW ENGLAND BAPTIST SURGERY CENTER LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>100 AVON MEADOW LANE</AddressLine1Txt>
          <CityNm>AVON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>06001</ZIPCd>
        </USAddress>
        <EIN>874311329</EIN>
        <PrimaryActivitiesTxt>AMBULATORY SURGERY CENTER</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <DisproportionateAllocationsInd>0</DisproportionateAllocationsInd>
        <GeneralOrManagingPartnerInd>0</GeneralOrManagingPartnerInd>
      </IdRelatedOrgTxblPartnershipGrp>
      <IdRelatedOrgTxblPartnershipGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>PHYSICIANS PROFESSIONAL SERVICES LLP</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>200 RIVERS EDGE DRIVE</AddressLine1Txt>
          <CityNm>MEDFORD</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02155</ZIPCd>
        </USAddress>
        <EIN>043275078</EIN>
        <PrimaryActivitiesTxt>TO PROVIDE MEDICAL BILLING SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <DisproportionateAllocationsInd>0</DisproportionateAllocationsInd>
        <GeneralOrManagingPartnerInd>0</GeneralOrManagingPartnerInd>
      </IdRelatedOrgTxblPartnershipGrp>
      <IdRelatedOrgTxblPartnershipGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>SHIELDS IMAGING AT ANNA JAQUES HOSPITAL LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>700 CONGRESS ST STE 204</AddressLine1Txt>
          <CityNm>QUINCY</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02169</ZIPCd>
        </USAddress>
        <EIN>383989358</EIN>
        <PrimaryActivitiesTxt>MRI SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <DisproportionateAllocationsInd>0</DisproportionateAllocationsInd>
        <GeneralOrManagingPartnerInd>0</GeneralOrManagingPartnerInd>
      </IdRelatedOrgTxblPartnershipGrp>
      <IdRelatedOrgTxblPartnershipGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WINCHESTER HOSPITALSHIELDS MRI LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>700 CONGRESS ST STE 204</AddressLine1Txt>
          <CityNm>QUINCY</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02169</ZIPCd>
        </USAddress>
        <EIN>462523117</EIN>
        <PrimaryActivitiesTxt>MRI SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <DisproportionateAllocationsInd>0</DisproportionateAllocationsInd>
        <GeneralOrManagingPartnerInd>0</GeneralOrManagingPartnerInd>
      </IdRelatedOrgTxblPartnershipGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>GREATER NEWBURYPORT MANAGEMENT SERVICES ORGANIZATION INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>25 HIGHLAND AVE</AddressLine1Txt>
          <CityNm>NEWBURYPORT</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01950</ZIPCd>
        </USAddress>
        <EIN>161744477</EIN>
        <PrimaryActivitiesTxt>MANAGEMENT SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>HUNTINGFIELD CORPORATION</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>C/O LCF 529 MAIN ST 4TH FL</AddressLine1Txt>
          <CityNm>CHARLESTOWN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
        <EIN>520717412</EIN>
        <PrimaryActivitiesTxt>TO HOLD OWNERSHIP OF SUBTERRANEAN RIGHTS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>LAHEY CLINIC INSURANCE CO LTD</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <ForeignAddress>
          <AddressLine1Txt>CRAIG APPIN HOUSE PO BOX HM 2450</AddressLine1Txt>
          <CityNm>HAMILTON</CityNm>
          <CountryCd>BD</CountryCd>
        </ForeignAddress>
        <PrimaryActivitiesTxt>INSURANCE</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>BD</LegalDomicileForeignCountryCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>LEDGEWOOD HEALTH CARE CORPORATION</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>87 HERRICK STREET</AddressLine1Txt>
          <CityNm>BEVERLY</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01915</ZIPCd>
        </USAddress>
        <EIN>042855189</EIN>
        <PrimaryActivitiesTxt>NURSING HOME</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>NORTHEAST PROPRIETARY CORP</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>85 HERRICK STREET</AddressLine1Txt>
          <CityNm>BEVERLY</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01915</ZIPCd>
        </USAddress>
        <EIN>042855191</EIN>
        <PrimaryActivitiesTxt>MEDICAL SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WINCHESTER HEALTHCARE ENTERPRISES INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>41 HIGHLAND AVE</AddressLine1Txt>
          <CityNm>WINCHESTER</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01890</ZIPCd>
        </USAddress>
        <EIN>042932059</EIN>
        <PrimaryActivitiesTxt>MANAGEMENT SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WINCHESTER PHYSICIAN ASSOCIATES INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>41 HIGHLAND AVE</AddressLine1Txt>
          <CityNm>WINCHESTER</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01890</ZIPCd>
        </USAddress>
        <EIN>043262963</EIN>
        <PrimaryActivitiesTxt>MANAGEMENT SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WINCHESTER PHYSICIAN HOSPITAL ORGANIZATION INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>41 HIGHLAND AVE</AddressLine1Txt>
          <CityNm>WINCHESTER</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01890</ZIPCd>
        </USAddress>
        <EIN>472646454</EIN>
        <PrimaryActivitiesTxt>INACTIVE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>1</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>1</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>1</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>1</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>1</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>1</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>1</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>1</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>1</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>1</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>1</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>1</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>1</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEE PART VII</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>M</TransactionTypeTxt>
        <InvolvedAmt>91767561</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEE PART VII</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>O</TransactionTypeTxt>
        <InvolvedAmt>470487</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEE PART VII</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>M</TransactionTypeTxt>
        <InvolvedAmt>144672</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEE PART VII</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>J</TransactionTypeTxt>
        <InvolvedAmt>627846</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEE PART VII</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>K</TransactionTypeTxt>
        <InvolvedAmt>1738674</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEE PART VII</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>L</TransactionTypeTxt>
        <InvolvedAmt>11608853</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEE PART VII</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>M</TransactionTypeTxt>
        <InvolvedAmt>3482082</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEE PART VII</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>O</TransactionTypeTxt>
        <InvolvedAmt>1713631</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEE PART VII</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>P</TransactionTypeTxt>
        <InvolvedAmt>6659607</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEE PART VII</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>M</TransactionTypeTxt>
        <InvolvedAmt>563211</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEE PART VII</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>D</TransactionTypeTxt>
        <InvolvedAmt>2141333000</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, SCH R, PART V, LN 1D LOANS/LOAN GUARANTEES TO/FOR RO</FormAndLineReferenceDesc>
        <ExplanationTxt>MOUNT AUBURN PROFESSIONAL SERVICES, INC. ("MAPS") IS A MEMBER OF THE BILH OBLIGATED GROUP AND AS SUCH IS JOINTLY AND SEVERALLY LIABLE FOR ALL DEBT OF THE OBLIGATED GROUP. IN THIS CAPACITY, MAPS, HAS MADE LOAN GUARANTEES TO THE FOLLOWING OTHER MEMBERS OF THE OBLIGATED GROUP TOTALING $2,141,333,000: - ANNA JACQUES HOSPITAL - BETH ISRAEL DEACONESS MEDICAL CENTER - LAHEY CLINIC FOUNDATION - MOUNT AUBURN HOSPITAL - NORTHEAST HOSPITAL CORP - BETH ISRAEL DEACONESS HOSPITAL PLYMOUTH - NEW ENGLAND BAPTIST HOSPITAL - BETH ISRAEL DEACONESS HOSPITAL MILTON - BETH ISRAEL DEACONESS HOSPITAL NEEDHAM - EXETER HOSPITAL</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, SCH R, PART V, LN 1J - LEASE OF FAC/EQUIP/OTHER ASSETS TO RO</FormAndLineReferenceDesc>
        <ExplanationTxt>MOUNT AUBURN PROFESSIONAL SERVICES, INC. ("MAPS") IS A MEMBER OF THE BILH NETWORK OF AFFILIATES. AS PART OF THE CLOSE CONNECTION BETWEEN MAPS AND MOUNT AUBURN HOSPITAL ("MAH", A RELATED ENTITY EXEMPT UNDER IRC 501(C)(3)), MAP LEASES SPACE FROM MAPS TO USE IN FURTHERANCE OF THE MAPS, MAH, AND BILH TAX-EXEMPT PURPOSES. MAH PAID MAPS $627,846 FOR SPACE RENTAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, SCH R, PART V, LN 1K LEASE OF FAC/EQUIP/OTHER ASSETS FROM RO</FormAndLineReferenceDesc>
        <ExplanationTxt>AS NOTED ELSEWHERE IN THIS FILING MAPS IS A MEMBER OF THE BILH NETWORK OF AFFILIATES. AS PART OF THE CLOSE CONNECTION BETWEEN MAPS AND MAH, MAPS LEASES SPACE FROM MAH TO USE IN FURTHERANCE OF THE MAPS, MAH AND BILH TAX-EXEMPT PURPOSES. MAPS PAID MAH $1,738,674 FOR SPACE RENTAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, SCH R, PART V, LN 1L PERF OF SVCS/MEMBERSHIP/FUNDRAISING FOR RO</FormAndLineReferenceDesc>
        <ExplanationTxt>AS NOTED THROUGHOUT THIS FILING, MAPS IS A MEMBER OF THE BILH NETWORK OF AFFILIATES. AS PART OF THAT RELATIONSHIP, MAPS PROVIDES SERVICES TO OTHER NETWORK ENTITIES IN FURTHERANCE OF ITS EXEMPT PURPOSE AND IN FURTHERANCE OF THE EXEMPT PURPOSE OF ITS AFFILIATES. DURING THE PERIOD COVERED BY THIS FILING, MAPS PROVIDED $11,608,853 IN SUPPORT SERVICES TO MOUNT AUBURN HOSPITAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, SCH R, PART V, LN 1M - PERF OF SVCS/MEMBERSHIP/FUNDRAISING BY RO</FormAndLineReferenceDesc>
        <ExplanationTxt>AS NOTED THROUGHOUT THIS FILING, MAPS IS A MEMBER OF THE BILH NETWORK OF AFFILIATES. AS PART OF THAT RELATIONSHIP, ONE OR MORE OF MAPS' AFFILIATES PROVIDED SERVICES TO MAPS IN FURTHERANCE OF THE EXEMPT PURPOSE OF MAPS AND ITS AFFILIATES. DURING THE PERIOD COVERED BY THIS FILING, MAPS RECEIVED THE FOLLOWING SERVICES FROM ITS TAX-EXEMPT AFFILIATES: 1. BETH ISRAEL LAHEY HEALTH, INC. - AS A SUPPORT ORGANIZATION OF MAPS, BILH PROVIDES CENTRALIZED SUPPORT TO ITS NETWORK OF SUPPORTED ORGANIZATIONS. BILH SUPPORT INCLUDES THE FOLLOWING SERVICES: DEVELOPMENT AND FUNDRAISING, STRATEGIC PLANNING, COMPLIANCE, GOVERNANCE AND LEGAL SUPPORT, PAYOR CONTRACTING, OPERATIONAL SUPPORT SUCH AS PROCESSING PAYROLL AND ACCOUNTS PAYABLE, NETWORK-WIDE BENEFIT PLAN STRUCTURING AND NETWORK-WIDE CASH MANAGEMENT. BILH OVERSEES THE FINANCIAL WELL-BEING OF ITS AFFILIATES, INCLUDING MANAGEMENT, LEADERSHIP, DEBT STRUCTURING SUPPORT, FINANCING OF CAPITAL PROJECTS THROUGH ITS OBLIGATED GROUP DEBT AND FINANCIAL SUPPORT SERVICES, INCLUDING INTERNAL AND EXTERNAL AUDIT, INSURANCE AND TAX SERVICES: A. NETWORK ASSESSMENT FEE: $2,605,839 B. OPERATION OF PAYROLL AND PROVISION OF EMPLOYEE BENEFITS: $57,920,212 C. OPERATION OF ACCOUNTS PAYABLE AND PAYMENT FOR THIRD PARTY SERVICES: $31,241,510 D. SEE OTHER CODES FOR ADDITIONAL DETAIL 2. LAHEY CLINIC INC. - PHYSICIAN SERVICES: $144,672 3. MOUNT AUBURN HOSPITAL - PHYSICIAN SERVICES: $3,482,082 4. NORTHEAST BEHAVIORAL HEALTH CORP - PSYCH SERVICES/EMERGENCY DEPARTMENT PATIENT EVALUATIONS: $563,211</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, SCH R, PART V, LN 1O SHARING OF PAID EMPLOYEES WITH RO</FormAndLineReferenceDesc>
        <ExplanationTxt>1. BETH ISRAEL LAHEY HEALTH, INC. - SEE NOTE ABOVE IN CODE M: $470,487 2. MOUNT AUBURN HOSPITAL - $1,713,631</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, SCH R, PART V, LN 1P - REIMB. PAID TO RO FOR EXPENSES</FormAndLineReferenceDesc>
        <ExplanationTxt>AS NOTED THROUGHOUT THIS FILING, MAPS IS A MEMBER OF THE BILH NETWORK OF AFFILIATES. AS PART OF THAT RELATIONSHIP, MAPS REIMBURSED ONE OR MORE OF ITS AFFILIATED ENTITIES FOR EXPENSES INCURRED ON BEHALF OF MAPS IN FURTHERANCE OF THE EXEMPT PURPOSE OF MAPS AND ITS AFFILIATES. DURING THE PERIOD COVERED BY THIS FILING, MAPS REIMBURSED MOUNT AUBURN HOSPITAL $6,659,607 FOR ADMINISTRATIVE AND EPIC EMR SERVICES.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleR>
  </ReturnData>
</Return>