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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Gordon Edwards</PersonNm>
        <TitleTxt>MCHS CFO</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>560037</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>26618</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Jerard Jensen</PersonNm>
        <TitleTxt>MCHS General Counsel</TitleTxt>
        <AverageHoursPerWeekRt>1.0</AverageHoursPerWeekRt>
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        <ReportableCompFromRltdOrgAmt>547501</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>25224</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Narayana Murali MD</PersonNm>
        <TitleTxt>Executive Director</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>40.0</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>828964</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>57850</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Julie Brussow</PersonNm>
        <TitleTxt>MCHS Health Plan CEO</TitleTxt>
        <AverageHoursPerWeekRt>1.0</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>40.0</AverageHoursPerWeekRltdOrgRt>
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        <OtherCompensationAmt>45701</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>William Barkley MD</PersonNm>
        <TitleTxt>Chief Medical Officer</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>40.0</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Vivekananda Gonugunta MD</PersonNm>
        <TitleTxt>Physician</TitleTxt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Adedayo Onitilo MD</PersonNm>
        <TitleTxt>Physician</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>0.0</AverageHoursPerWeekRltdOrgRt>
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        <OtherCompensationAmt>52354</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>John Neal MD</PersonNm>
        <TitleTxt>Physician</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>0.0</AverageHoursPerWeekRltdOrgRt>
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        <OtherCompensationAmt>55600</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Shiqiang Tian MD</PersonNm>
        <TitleTxt>Physician</TitleTxt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Scott Paulman MD</PersonNm>
        <TitleTxt>Physician</TitleTxt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Brian Ewert MD</PersonNm>
        <TitleTxt>Former MC President</TitleTxt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Dan Erickson MD</PersonNm>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Rod Sorensen MD</PersonNm>
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        <OtherCompensationAmt>54653</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Alan Marshall</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Jim Coleman</PersonNm>
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      <FormerOfcrEmployeesListedInd>true</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>true</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>false</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>KPMG LLP</PersonNm>
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        <ContractorAddress>
          <USAddress>
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            <CityNm>Dallas</CityNm>
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        </ContractorAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>Advantage Purchasing LLC</PersonNm>
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        <ContractorAddress>
          <USAddress>
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            <CityNm>Neenah</CityNm>
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            <ZIPCd>54957</ZIPCd>
          </USAddress>
        </ContractorAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>Medical Doctor Association LLC</PersonNm>
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          <USAddress>
            <AddressLine1Txt>PO Box 277185</AddressLine1Txt>
            <CityNm>Atlanta</CityNm>
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            <ZIPCd>30384</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Medical Svcs</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>Phonak LLC</PersonNm>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>35555 Eagle Way</AddressLine1Txt>
            <CityNm>Chicago</CityNm>
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          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Medical Svcs</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>Sightpath Medical LLC</PersonNm>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO Box 204253</AddressLine1Txt>
            <CityNm>Dallas</CityNm>
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        </ContractorAddress>
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        <RelatedOrExemptFuncIncomeAmt>900374347</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
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      <ProgramServiceRevenueGrp>
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      <ProgramServiceRevenueGrp>
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      <RoyaltiesRevenueGrp>
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      <NetGainOrLossInvestmentsGrp>
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        <ProgramServicesAmt>2695013</ProgramServicesAmt>
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        <ProgramServicesAmt>288890</ProgramServicesAmt>
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        <ProgramServicesAmt>13043189</ProgramServicesAmt>
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        <ProgramServicesAmt>5207947</ProgramServicesAmt>
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        <ProgramServicesAmt>171254227</ProgramServicesAmt>
        <ManagementAndGeneralAmt>64047</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
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        <ManagementAndGeneralAmt>67260590</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
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        <TotalAmt>8002030</TotalAmt>
        <ProgramServicesAmt>7851693</ProgramServicesAmt>
        <ManagementAndGeneralAmt>150337</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>WI Medicaid Access Tax</Desc>
        <TotalAmt>538715</TotalAmt>
        <ProgramServicesAmt>538715</ProgramServicesAmt>
        <FundraisingAmt>0</FundraisingAmt>
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      <AllOtherExpensesGrp>
        <TotalAmt>1354444</TotalAmt>
        <ProgramServicesAmt>798058</ProgramServicesAmt>
        <ManagementAndGeneralAmt>556386</ManagementAndGeneralAmt>
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      <TotalFunctionalExpensesGrp>
        <TotalAmt>1060696399</TotalAmt>
        <ProgramServicesAmt>900110671</ProgramServicesAmt>
        <ManagementAndGeneralAmt>160585728</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <InfoInScheduleOPartXInd>X</InfoInScheduleOPartXInd>
      <CashNonInterestBearingGrp>
        <BOYAmt>13475116</BOYAmt>
        <EOYAmt>63903661</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
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        <EOYAmt>6584805</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>1526345</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
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        <EOYAmt>236748246</EOYAmt>
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      <ReceivablesFromOfficersEtcGrp>
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        <EOYAmt>0</EOYAmt>
      </ReceivablesFromOfficersEtcGrp>
      <RcvblFromDisqualifiedPrsnGrp>
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        <EOYAmt>0</EOYAmt>
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      <OthNotesLoansReceivableNetGrp>
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        <EOYAmt>32501803</EOYAmt>
      </OthNotesLoansReceivableNetGrp>
      <InventoriesForSaleOrUseGrp>
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        <EOYAmt>19224943</EOYAmt>
      </InventoriesForSaleOrUseGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>8833314</BOYAmt>
        <EOYAmt>6080417</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>807602262</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>369928229</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>404090080</BOYAmt>
        <EOYAmt>437674033</EOYAmt>
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      <InvestmentsPubTradedSecGrp>
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        <EOYAmt>136954519</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <InvestmentsOtherSecuritiesGrp>
        <BOYAmt>143841091</BOYAmt>
        <EOYAmt>154547775</EOYAmt>
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      <InvestmentsProgramRelatedGrp>
        <BOYAmt>123906018</BOYAmt>
        <EOYAmt>39883473</EOYAmt>
      </InvestmentsProgramRelatedGrp>
      <IntangibleAssetsGrp>
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        <EOYAmt>789150</EOYAmt>
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      <OtherAssetsTotalGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
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      <TotalAssetsGrp>
        <BOYAmt>1098554278</BOYAmt>
        <EOYAmt>1134892825</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>111294172</BOYAmt>
        <EOYAmt>82591560</EOYAmt>
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      <GrantsPayableGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </GrantsPayableGrp>
      <DeferredRevenueGrp>
        <BOYAmt>1631785</BOYAmt>
        <EOYAmt>1530961</EOYAmt>
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      <TaxExemptBondLiabilitiesGrp>
        <BOYAmt>226631004</BOYAmt>
        <EOYAmt>386479174</EOYAmt>
      </TaxExemptBondLiabilitiesGrp>
      <EscrowAccountLiabilityGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </EscrowAccountLiabilityGrp>
      <LoansFromOfficersDirectorsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </LoansFromOfficersDirectorsGrp>
      <MortgNotesPyblScrdInvstPropGrp>
        <BOYAmt>63803878</BOYAmt>
        <EOYAmt>0</EOYAmt>
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      <UnsecuredNotesLoansPayableGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </UnsecuredNotesLoansPayableGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>80543887</BOYAmt>
        <EOYAmt>89196794</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>483904726</BOYAmt>
        <EOYAmt>559798489</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
        <BOYAmt>587005371</BOYAmt>
        <EOYAmt>574961553</EOYAmt>
      </UnrestrictedNetAssetsGrp>
      <TemporarilyRstrNetAssetsGrp>
        <BOYAmt>13378471</BOYAmt>
        <EOYAmt>132783</EOYAmt>
      </TemporarilyRstrNetAssetsGrp>
      <PermanentlyRstrNetAssetsGrp>
        <BOYAmt>14265710</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </PermanentlyRstrNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>614649552</BOYAmt>
        <EOYAmt>575094336</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>1098554278</BOYAmt>
        <EOYAmt>1134892825</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>13835846</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>6997565</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>-60388627</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>true</FederalGrantAuditRequiredInd>
      <FederalGrantAuditPerformedInd>true</FederalGrantAuditPerformedInd>
    </IRS990>
    <IRS990ScheduleA documentId="IRS990ScheduleA">
      <HospitalInd>X</HospitalInd>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>Part I Line 11A</FormAndLineReferenceDesc>
        <ExplanationTxt>PER IRS INSTRUCTIONS FOR THE FORM 990, THE DEFINITION OF HOSPITALS FOR SCHEDULE A (FORM 990 OR 990-EZ), PART I, IS DIFFERENT FROM THE DEFINITION FOR SCHEDULE H (FORM 990), HOSPITALS. ACCORDINGLY, AN ORGANIZATION THAT CHECKS THIS BOX MAY OR MAY NOT BE REQUIRED TO COMPLETE SCHEDULE H (FORM 990). MARSHFIELD CLINIC IS NOT RECOGNIZED BY ANY STATE AS A HOSPITAL. THEREFORE, MARSHFIELD CLINIC IS NOT REQUIRED TO COMPLETE SCHEDULE H.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="IRS990ScheduleB">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="IRS990ScheduleD">
      <ArtPublicExhibitionAmountsGrp />
      <HeldWorksArtGrp>
        <AssetsIncludedAmt>2669937</AssetsIncludedAmt>
      </HeldWorksArtGrp>
      <CollectionUsedPubExhibitionInd>X</CollectionUsedPubExhibitionInd>
      <SolicitedAssetsSaleInd>true</SolicitedAssetsSaleInd>
      <CYMinus1YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>54751273</BeginningYearBalanceAmt>
        <ContributionsAmt>394000</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>6037000</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>1980000</OtherExpendituresAmt>
        <EndYearBalanceAmt>59202273</EndYearBalanceAmt>
      </CYMinus1YrEndwmtFundGrp>
      <CYMinus2YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>55590273</BeginningYearBalanceAmt>
        <ContributionsAmt>708000</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>-96000</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>1451000</OtherExpendituresAmt>
        <EndYearBalanceAmt>54751273</EndYearBalanceAmt>
      </CYMinus2YrEndwmtFundGrp>
      <CYMinus3YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>49072273</BeginningYearBalanceAmt>
        <ContributionsAmt>2366000</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>5537000</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>1385000</OtherExpendituresAmt>
        <EndYearBalanceAmt>55590273</EndYearBalanceAmt>
      </CYMinus3YrEndwmtFundGrp>
      <CYMinus4YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>43172004</BeginningYearBalanceAmt>
        <ContributionsAmt>1567033</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>5577482</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>1244246</OtherExpendituresAmt>
        <EndYearBalanceAmt>49072273</EndYearBalanceAmt>
      </CYMinus4YrEndwmtFundGrp>
      <EndowmentsHeldUnrelatedOrgInd>false</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>false</EndowmentsHeldRelatedOrgInd>
      <LandGrp>
        <OtherCostOrOtherBasisAmt>20806197</OtherCostOrOtherBasisAmt>
        <BookValueAmt>20806197</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>471971784</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>192019648</DepreciationAmt>
        <BookValueAmt>279952136</BookValueAmt>
      </BuildingsGrp>
      <LeaseholdImprovementsGrp>
        <OtherCostOrOtherBasisAmt>6805656</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>3443556</DepreciationAmt>
        <BookValueAmt>3362100</BookValueAmt>
      </LeaseholdImprovementsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>262896778</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>166404857</DepreciationAmt>
        <BookValueAmt>96491921</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>45121847</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>8060168</DepreciationAmt>
        <BookValueAmt>37061679</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>437674033</TotalBookValueLandBuildingsAmt>
      <FinancialDerivativesGrp />
      <CloselyHeldEquityInterestsGrp />
      <OtherSecuritiesGrp>
        <Desc>COMMINGLED/PRIVATELY HELD</Desc>
        <BookValueAmt>154547775</BookValueAmt>
      </OtherSecuritiesGrp>
      <TotalBookValueSecuritiesAmt>154547775</TotalBookValueSecuritiesAmt>
      <FederalIncomeTaxLiabilityAmt>0</FederalIncomeTaxLiabilityAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>HEALTH PLAN - DEFERRED REVENUE</Desc>
        <Amt>19500000</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>UNPAID PROFESSIONAL LIABILITY</Desc>
        <Amt>9779610</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED COMPENSATION</Desc>
        <Amt>56658932</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>TERMINATION &amp; SABBATICAL LIABILITY</Desc>
        <Amt>3258252</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>89196794</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MISSION OF MARSHFIELD CLINIC IS TO SERVE PATIENTS THROUGH ACCESSIBLE, HIGH QUALITY HEALTH CARE, RESEARCH AND EDUCATION. AS PART OF SERVING PATIENTS, THE CLINIC STRIVES TO PROVIDE AN INVITING ATMOSPHERE TO TREAT PATIENTS AND ASSIST IN THE HEALING PROCESS. PLEASANT FACILITIES AND GROUNDS, PLUS APPROPRIATE WORKS OF ART ALL ASSIST IN THIS HEALING PROCESS, AS WELL AS SERVE TO ENHANCE THE CLINIC'S EDUCATIONAL MISSION BY DISPLAYING ART WORK FOR SCHOOL CHILDREN AS WELL AS PATIENTS AND VISITORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION APPLIES FINANCIAL ACCOUNTING STANDARDS BOARD (FASB) ACCOUNTING STANDARDS CODIFICATION (ASC) TOPIC 740, INCOME TAXES (ASC 740), WHICH CLARIFIES THE ACCOUNTING FOR UNCERTAINTY IN INCOME TAXES RECOGNIZED IN A COMPANY'S FINANCIAL STATEMENTS. ASC 740 PRESCRIBES A MORE-LIKELY THAN-NOT RECOGNITION THRESHOLD AND MEASUREMENT ATTRIBUTE FOR THE FINANCIAL STATEMENT RECOGNITION AND MEASUREMENT OF A TAX POSITION TAKEN OR EXPECTED TO BE TAKEN. UNDER ASC 740, TAX POSITIONS WILL BE EVALUATED FOR RECOGNITION, DERECOGNITION, AND MEASUREMENT USING CONSISTENT CRITERIA AND WILL PROVIDE MORE INFORMATION ABOUT THE UNCERTAINTY IN INCOME TAX ASSETS AND LIABILITIES. BASED ON AN ANALYSIS, IT WAS DETERMINED THAT THE APPLICATION OF ASC 740 HAD NO MATERIAL EFFECT ON THE ORGANIZATION AT SEPTEMBER 30, 2017.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="IRS990ScheduleF">
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>North America</RegionTxt>
        <OfficesCnt>1</OfficesCnt>
        <EmployeeCnt>20</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Program Services</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>FOOD SAFETY TESTS</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>1497914</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>Central America and the Caribbean</RegionTxt>
        <TypeOfActivitiesConductedTxt>Investments</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>N/A</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>2439982</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>1</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>20</SubtotalEmployeesCnt>
      <TotalOfficeCnt>1</TotalOfficeCnt>
      <TotalEmployeeCnt>20</TotalEmployeeCnt>
      <SubtotalSpentAmt>3937896</SubtotalSpentAmt>
      <TotalSpentAmt>3937896</TotalSpentAmt>
      <TransferToForeignCorpInd>true</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>false</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>false</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>false</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>true</ForeignPartnershipInd>
      <BoycottCountriesInd>false</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 3(f)</FormAndLineReferenceDesc>
        <ExplanationTxt>MARSHFIELD FOOD SAFETY, LLC (MFS), A WHOLLY OWNED SUBSIDIARY OF MARSHFIELD CLINIC (MC) PROVIDES FOOD SAFETY TESTING SERVICES ON-SITE AT OR NEARBY VARIOUS FOOD PRODUCERS FOR THE BENEFIT OF THE PUBLIC. MFS CANADA FOOD SAFETY IS A 100% OWNED SUBSIDIARY OF MFS AND MAINTAINS ITS OPERATIONS IN CANADA. IT COMMENCED ITS OPERATIONS IN 2011 AND INCLUDED THE SAME TYPES OF ACTIVITIES AS MFS. MARSHFIELD CLINIC SOLD ITS OWNERSHIP INTEREST IN MFS (INCLUDING ALL FOREIGN OPERATIONS) EFFECTIVE MAY 31, 2017.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleG documentId="IRS990ScheduleG">
      <LicensedStatesCd>WI</LicensedStatesCd>
      <FundraisingEventInformationGrp>
        <Event1Nm>Trap Shoot</Event1Nm>
        <GrossReceiptsEvent1Amt>131627</GrossReceiptsEvent1Amt>
        <CharitableContriEvent1Amt>55556</CharitableContriEvent1Amt>
        <GrossRevenueEvent1Amt>76071</GrossRevenueEvent1Amt>
        <NonCashPrizesEvent1Amt>8672</NonCashPrizesEvent1Amt>
        <FoodAndBeverageEvent1Amt>6567</FoodAndBeverageEvent1Amt>
        <EntertainmentEvent1Amt>450</EntertainmentEvent1Amt>
        <OtherDirectExpensesEvent1Amt>60935</OtherDirectExpensesEvent1Amt>
        <Event2Nm>Child Life Bash</Event2Nm>
        <GrossReceiptsEvent2Amt>33465</GrossReceiptsEvent2Amt>
        <CharitableContriEvent2Amt>24343</CharitableContriEvent2Amt>
        <GrossRevenueEvent2Amt>9122</GrossRevenueEvent2Amt>
        <NonCashPrizesEvent2Amt>974</NonCashPrizesEvent2Amt>
        <RentFacilityCostsEvent2Amt>3988</RentFacilityCostsEvent2Amt>
        <EntertainmentEvent2Amt>3600</EntertainmentEvent2Amt>
        <OtherDirectExpensesEvent2Amt>561</OtherDirectExpensesEvent2Amt>
        <OtherEventsTotalCnt>12</OtherEventsTotalCnt>
        <GrossReceiptsOtherEventsAmt>232216</GrossReceiptsOtherEventsAmt>
        <CharitableContriOtherEventsAmt>156561</CharitableContriOtherEventsAmt>
        <GrossRevenueOtherEventsAmt>75655</GrossRevenueOtherEventsAmt>
        <NonCashPrizesOtherEventsAmt>1323</NonCashPrizesOtherEventsAmt>
        <RentFcltyCostsOtherEventsAmt>13356</RentFcltyCostsOtherEventsAmt>
        <FoodAndBeverageOtherEventsAmt>320</FoodAndBeverageOtherEventsAmt>
        <EntertainmentOtherEventsAmt>12250</EntertainmentOtherEventsAmt>
        <OthDirectExpnssOtherEventsAmt>13308</OthDirectExpnssOtherEventsAmt>
        <GrossReceiptsTotalAmt>397308</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>236460</CharitableContributionsTotAmt>
        <GrossRevenueTotalEventsAmt>160848</GrossRevenueTotalEventsAmt>
        <NonCashPrizesTotalEventsAmt>10969</NonCashPrizesTotalEventsAmt>
        <RentFcltyCostsTotalEventsAmt>17344</RentFcltyCostsTotalEventsAmt>
        <FoodAndBeverageTotalEventsAmt>6887</FoodAndBeverageTotalEventsAmt>
        <EntertainmentTotalEventsAmt>16300</EntertainmentTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>74804</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>126304</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>34544</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
      <GamingInformationGrp>
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        <VolunteerLaborOtherGamingInd>false</VolunteerLaborOtherGamingInd>
        <GrossRevenueTotalGamingAmt>33714</GrossRevenueTotalGamingAmt>
        <NetGamingIncomeSummaryAmt>33714</NetGamingIncomeSummaryAmt>
      </GamingInformationGrp>
      <StatesWhereGamingConductedCd>WI</StatesWhereGamingConductedCd>
      <LicensedInd>true</LicensedInd>
      <LicenseSuspendedEtcInd>false</LicenseSuspendedEtcInd>
      <GamingWithNonmembersInd>true</GamingWithNonmembersInd>
      <MemberOfOtherEntityInd>false</MemberOfOtherEntityInd>
      <GamingOwnFacilityPct>0.23000</GamingOwnFacilityPct>
      <GamingOtherFacilityPct>0.77000</GamingOtherFacilityPct>
      <IndividualWithBooksNm>Tiffany Halan</IndividualWithBooksNm>
      <PersonsWithBooksUSAddress>
        <AddressLine1Txt>1000 N Oak Avenue</AddressLine1Txt>
        <CityNm>Marshfield</CityNm>
        <StateAbbreviationCd>WI</StateAbbreviationCd>
        <ZIPCd>54449</ZIPCd>
      </PersonsWithBooksUSAddress>
      <CntrctWith3rdPrtyForGameRevInd>false</CntrctWith3rdPrtyForGameRevInd>
      <GamingManagerPersonNm>Tiffany Halan</GamingManagerPersonNm>
      <GamingManagerCompensationAmt>5000</GamingManagerCompensationAmt>
      <GamingManagerServicesProvTxt>DIRECTOR OF MCHS FOUNDATION OPERATIONS</GamingManagerServicesProvTxt>
      <GamingManagerIsEmployeeInd>X</GamingManagerIsEmployeeInd>
      <CharitableDistributionRqrInd>false</CharitableDistributionRqrInd>
    </IRS990ScheduleG>
    <IRS990ScheduleI documentId="IRS990ScheduleI">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Family Health Center of Marshfield Inc</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1000 N Oak Avenue</AddressLine1Txt>
          <CityNm>Marshfield</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>54449</ZIPCd>
        </USAddress>
        <RecipientEIN>391681547</RecipientEIN>
        <IRCSectionDesc>501 (C) (3)</IRCSectionDesc>
        <CashGrantAmt>535000</CashGrantAmt>
        <ValuationMethodUsedDesc>CASH</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>NONE</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>General Support</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>1</Total501c3OrgCnt>
      <TotalOtherOrgCnt>0</TotalOtherOrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I Line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CLINIC MAKES DETERMINATIONS ON GRANT ASSISTANCE AND OTHER ASSISTANCE (I.E. CONTRIBUTIONS) BASED ON THE RECIPIENT ORGANIZATION'S MISSION, REPUTATION, AND THE ORGANIZATION'S INTENDED USE OF FUNDS. THE LARGEST CONTRIBUTION IS TO FAMILY HEALTH CENTER (FHC), WHICH IS A MEMBER OF THE CLINIC'S OBLIGATED GROUP AND INCLUDED IN THE CLINIC'S CONSOLIDATED FINANCIAL STATEMENTS. FHC'S MISSION AND USE OF FUNDS ARE ALIGNED WITH THE CLINIC'S MISSION AS A 501(C)(3) ORGANIZATION, AND MONITORED CLOSELY.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
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        <PersonNm>Neelakantan Namboodiri MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <BaseCompensationFilingOrgAmt>315160</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>3012</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>30062</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>22260</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>370494</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Jeffrey Lamont MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <BaseCompensationFilingOrgAmt>262439</BaseCompensationFilingOrgAmt>
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        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>3845</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>30062</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>18521</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>314867</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Kent Ray MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
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        <OtherCompensationFilingOrgAmt>1626</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>30062</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>33639</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>369086</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Alan Marshall</PersonNm>
        <TitleTxt>Former MC Controller</TitleTxt>
        <BaseCompensationFilingOrgAmt>11480</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>145331</OtherCompensationFilingOrgAmt>
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        <DeferredCompensationFlngOrgAmt>2090</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>5008</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>163909</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Brian Ewert MD</PersonNm>
        <TitleTxt>Former MC President</TitleTxt>
        <BaseCompensationFilingOrgAmt>215868</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>20789</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>30062</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>24681</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>291400</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Dan Erickson MD</PersonNm>
        <TitleTxt>Former Vice President</TitleTxt>
        <BaseCompensationFilingOrgAmt>236014</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>9628</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>3729</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>30062</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>9444</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>288877</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Jim Coleman</PersonNm>
        <TitleTxt>Former MC COO</TitleTxt>
        <BaseCompensationFilingOrgAmt>232292</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>226269</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>30062</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>14001</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>502624</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Rod Sorensen MD</PersonNm>
        <TitleTxt>Former Salary Committee</TitleTxt>
        <BaseCompensationFilingOrgAmt>281410</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>6512</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>30062</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>25808</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>343792</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Vivekananda Gonugunta MD</PersonNm>
        <TitleTxt>Physician</TitleTxt>
        <BaseCompensationFilingOrgAmt>1315698</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>20172</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>30062</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>1245</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>1367177</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Adedayo Onitilo MD</PersonNm>
        <TitleTxt>Physician</TitleTxt>
        <BaseCompensationFilingOrgAmt>1190842</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>66500</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>30062</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>23537</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>1310941</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>John Neal MD</PersonNm>
        <TitleTxt>Physician</TitleTxt>
        <BaseCompensationFilingOrgAmt>1163300</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>1412</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>21978</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>30062</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>26783</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>1243535</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Shiqiang Tian MD</PersonNm>
        <TitleTxt>Physician</TitleTxt>
        <BaseCompensationFilingOrgAmt>1014423</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>19626</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>30062</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>26100</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>1090211</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Scott Paulman MD</PersonNm>
        <TitleTxt>Physician</TitleTxt>
        <BaseCompensationFilingOrgAmt>1006928</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>20172</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>30062</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>2554</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>1059716</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>The organization may occasionally reimburse or provide a housing allowance for key executives in order to assist with relocating to the area. The organization may also contribute to or reimburse for health and social club dues as deemed necessary in order to support a business need. PART I LINE 3 THE MARSHFIELD CLINIC HEALTH SYSTEM'S (MCHS) INDEPENDENT COMPENSATION COMMITTEE (THE "COMMITTEE") HAS FINAL AUTHORITY FOR APPROVING COMPENSATION AND BENEFITS OF ALL "DISQUALIFIED PERSONS" EMPLOYED BY ANY OF THE ORGANIZATIONS IN THE SYSTEM. COMPENSATION TO THE ORGANIZATION'S CEO/EXECUTIVE DIRECTOR WAS PAID BY RELATED PARTY MARSHFIELD CLINIC HEALTH SYSTEM. THE COMMITTEE USES COMBINATIONS OF THE FOLLOWING TO EVALUATE COMPENSATION: COMPENSATION COMMITTEE, INDEPENDENT COMPENSATION CONSULTANT, COMPENSATION SURVEY OR STUDY, APPROVAL BY THE BOARD OR COMPENSATION COMMITTEE, AND WRITTEN EMPLOYMENT CONTRACTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I LINE 4A</FormAndLineReferenceDesc>
        <ExplanationTxt>Alan Marshall - $139,379 Jim Coleman - $198,846</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>457(F) PLAN SUE TURNEY, MD - $151,230</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I LINE 5A &amp; 5b</FormAndLineReferenceDesc>
        <ExplanationTxt>SEVERAL INDIVIDUALS MAY RECEIVE INCENTIVE COMPENSATION BASED ON A VARIETY OF FACTORS, INCLUDING NOT ONLY FINANCIAL MEASURES SUCH AS REVENUE GROWTH OR EARNINGS, BUT ALSO QUALITY, SERVICE, MARKET EXPANSION, COMMUNITY &amp; EMPLOYEE ENGAGEMENT, AND OTHER OUTCOMES OR EXPECTATIONS SET BY THE BOARD AND/OR CEO. ANY PERFORMANCE BONUS IS SUBJECT TO REVIEW BY THE SYSTEM'S INDEPENDENT COMPENSATION COMMITTEE FOR REASONABLENESS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I LINE 6a &amp; 6b</FormAndLineReferenceDesc>
        <ExplanationTxt>SEVERAL INDIVIDUALS MAY RECEIVE INCENTIVE COMPENSATION BASED ON A VARIETY OF FACTORS, INCLUDING NOT ONLY FINANCIAL MEASURES SUCH AS REVENUE GROWTH OR EARNINGS, BUT ALSO QUALITY, SERVICE, MARKET EXPANSION, COMMUNITY &amp; EMPLOYEE ENGAGEMENT, AND OTHER OUTCOMES OR EXPECTATIONS SET BY THE BOARD AND/OR CEO. ANY PERFORMANCE BONUS IS SUBJECT TO REVIEW BY THE SYSTEM'S INDEPENDENT COMPENSATION COMMITTEE FOR REASONABLENESS.</ExplanationTxt>
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    </IRS990ScheduleJ>
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        <TransactionDesc>COMPENSATION</TransactionDesc>
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      <BusTrInvolveInterestedPrsnGrp>
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      <BusTrInvolveInterestedPrsnGrp>
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        <TransactionDesc>COMPENSATION</TransactionDesc>
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      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>MILIND SHAH MD</PersonNm>
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        <ContributionCnt>2</ContributionCnt>
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      <ArtFractionalInterestGrp />
      <BooksAndPublicationsGrp />
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      <CarsAndOtherVehiclesGrp />
      <BoatsAndPlanesGrp />
      <IntellectualPropertyGrp />
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>11</ContributionCnt>
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      <SecuritiesCloselyHeldStockGrp />
      <SecurPrtnrshpTrustIntrstsGrp />
      <SecuritiesMiscellaneousGrp />
      <QualifiedContribHistStructGrp />
      <QualifiedContribOtherGrp />
      <RealEstateResidentialGrp />
      <RealEstateCommercialGrp />
      <RealEstateOtherGrp />
      <CollectiblesGrp />
      <FoodInventoryGrp />
      <DrugsAndMedicalSuppliesGrp />
      <TaxidermyGrp />
      <HistoricalArtifactsGrp />
      <ScientificSpecimensGrp />
      <ArchaeologicalArtifactsGrp />
      <OtherNonCashContriTableGrp>
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        <Desc>Travel/Experiences</Desc>
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        <MethodOfDeterminingRevenuesTxt>FMV/SALES PRICE</MethodOfDeterminingRevenuesTxt>
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        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>Miscellaneous</Desc>
        <ContributionCnt>67</ContributionCnt>
        <NoncashContributionsRptF990Amt>102812</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV/SALES PRICE</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>Food and Beverage</Desc>
        <ContributionCnt>33</ContributionCnt>
        <NoncashContributionsRptF990Amt>5261</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV/SALES PRICE</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>Tickets</Desc>
        <ContributionCnt>12</ContributionCnt>
        <NoncashContributionsRptF990Amt>5949</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV/SALES PRICE</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <Form8283ReceivedCnt>0</Form8283ReceivedCnt>
      <AnyPropertyThatMustBeHeldInd>false</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>true</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>false</ThirdPartiesUsedInd>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 Part III Line 1</FormAndLineReferenceDesc>
        <ExplanationTxt>The mission of marshfield clinic is to serve patients through accessible, high quality health care, research and education. Through research, education and standardization of quality, our vision is to reduce the burden of disease, disability and cost for our patients and communities.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 Part III Line 4a</FormAndLineReferenceDesc>
        <ExplanationTxt>The Marshfield Clinic system provides patient care, research and education in over 50 locations throughout Northern, Central and Western Wisconsin. Marshfield Clinic has over 700 physicians representing over 80 different medical specialties. For 100 years, the Clinic has provided medical care to all patients regardless of their ability to pay. Financial assistance determinations are based on financial information provided by the patient and analysis of other relevant information. Marshfield Clinic provded an estimated $8,770,000 of charity care in fiscal year 2017 based on the cost of providing care to patients who cannot afford to pay in accordance with its financial assistance policy. In addition, the estimated costs of providing services in excess of reimbursement received by Marshfield Clinic for government supported or sponsored programs was $263,970,000.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 Part III Line 4b</FormAndLineReferenceDesc>
        <ExplanationTxt>THROUGH ITS RESEARCH DIVISION, MARSHFIELD CLINIC RESEARCH INSTITUTE (MCRI), MARSHFIELD CLINIC IS ENGAGED IN MEDICAL AND SCIENTIFIC RESEARCH ON NATIONAL AND INTERNATIONAL LEVELS. THE MCRI MISSION IS TO DISCOVER AND COMMUNICATE SCIENTIFIC KNOWLEDGE THAT SUBSTANTIALLY IMPROVES HUMAN HEALTH AND WELL-BEING. SINCE MCRI'S ESTABLISHMENT IN 1959, RESEARCH DISCOVERIES BY MCRI SCIENTISTS AND CLINIC PHYSICIANS HAVE EXPANDED KNOWLEDGE IN MULTIPLE FIELDS OF HUMAN HEALTH AND REDUCED THE BURDEN OF DISEASE AND DISABILITY. AREAS OF FOCUS INCLUDE CLINICAL RESEARCH, RURAL AND AGRICULTURAL HEALTH AND SAFETY, HUMAN GENETICS, EPIDEMIOLOGY AND BIOMEDICAL INFORMATICS. THE MARSHFIELD CLINIC EDUCATION DIVISION ALSO HAS A HISTORY OF STRONG COMMITMENT TO EDUCATION AND PUBLIC SERVICE. FULL RESIDENCY PROGRAMS FOR RECENT MEDICAL SCHOOL GRADUATES INCLUDE INTERNAL MEDICINE, PEDIATRICS, DERMATOLOGY AND GENERAL SURGERY. ALL PROGRAMS ARE FULLY ACCREDITED BY THE ACCREDITATION COUNCIL FOR GRADUATE MEDICAL EDUCATION (ACGME) OF THE AMERICAN MEDICAL ASSOCIATION. MARSHFIELD CLINIC HAS EXEMPLARY ACCREDITATION STATUS WITH THE ACCREDITATION COUNCIL ON CONTINUING MEDICAL EDUCATION (ACCME) AS A LONG-STANDING PROVIDER OF CONTINUING MEDICAL EDUCATION TO AREA PHYSICIANS AND ALLIED HEALTH PROVIDERS. ADDITIONALLY, MARSHFIELD CLINIC SERVES AS AN ACADEMIC CLINICAL CAMPUS OF THE UNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE AND PUBLIC HEALTH. WITH OVER 80 NATIONAL POST-SECONDARY ACADEMIC AFFILIATIONS AND OVER 30 STATE POST-SECONDARY ACADEMIC AFFILIATIONS FOR STUDENT, RESIDENT, AND FELLOWSHIP TRAINING. MARSHFIELD CLINIC IS RECOGNIZED AS A TRAINING CENTER FOR THE AMERICAN HEART ASSOCIATION AND ALSO SPONSORS EDUCATIONAL EVENTS AND TRAINING FOR THE PUBLIC INCLUDING DIABETES EDUCATION AND MENTAL HEALTH PROGRAMS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 Part III Line 4c</FormAndLineReferenceDesc>
        <ExplanationTxt>MARSHFIELD LABS PROVIDES COMPREHENSIVE ANATOMICAL AND HIGH-COMPLEXITY DIAGNOSTIC TESTING SERVICES TO PATIENTS OF MARSHFIELD CLINIC AND OTHER AREA MEDICAL FACILITIES. IN ADDITION TO THE PRIMARY LABORATORY LOCATED IN MARSHFIELD, MARSHFIELD LABS SERVES THE NEEDS OF SURROUNDING COMMUNITIES WITH SMALLER LABS AT MANY MARSHFIELD CLINIC CENTERS THROUGHOUT CENTRAL AND NORTHERN WISCONSIN. PROXIMITY TO LABORATORIES PROVIDES CONVENIENCE AND EXPEDITIOUS SERVICE TO MARSHFIELD CLINIC PATIENTS. MARSHFIELD LABS HAS BECOME A CENTER FOR THE LATEST TECHNOLOGIES AND MOST ADVANCED TESTING METHODS UTILIZED TODAY. SOME OF THE ADVANCED TESTS AND EMERGING TECHNOLOGIES OFFERED BY MARSHFIELD LABS WOULD NOT OTHERWISE BE AVAILABLE TO PATIENTS IN RURAL AREAS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 Part VI Line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CORPORATION HAS TWO CLASSES OF MEMBERS: (I) CLASS A MEMBERS, WHO SHALL BE INDIVIDUALS MEETING THE REQUIREMENTS SET FORTH IN THE CORPORATION'S BYLAWS, AND (II) A SINGLE CLASS B MEMBER, MARSHFIELD CLINIC HEALTH SYSTEM, INC., WHICH SHALL BE THE SOLE CORPORATE MEMBER. CLASS A MEMBERS HAVE THE RIGHT TO ELECT THE MEMBERS OF THE GOVERNING BODY AND APPROVE CERTAIN SIGNIFICANT DECISIONS OF THE GOVERNING BODY. THE CLASS B MEMBER HAS THE RIGHT TO APPROVE CERTAIN SIGNIFICANT DECISIONS OF THE GOVERNING BODY AND TO RECEIVE THE REMAINING ASSETS OF THE CORPORATION (OR DIRECT DISTRIBUTION OF THE ASSETS TO OTHER 501(C)(3) ORGANIZATIONS) UPON DISSOLUTION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 Part VI Line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>CLASS A MEMBERS HAVE THE RIGHT TO ELECT THE ORGANIZATION'S OFFICERS AND DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 Part VI Line 7b</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL MEMBERS HAVE THE RIGHT TO APPROVE ANY CHANGES TO THE ORGANIZATION'S ARTICLES OF INCORPORATION AND BYLAWS AND TO APPROVE ANY DISSOLUTION OR LIQUIDATION OF THE ORGANIZATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 Part VI Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>Marshfield Clinic Health System, Inc. engages a public accounting firm to prepare and review the Form 990 in addition to review by the System CFO, VP of Finance and Controller. Prior to filing the form with the IRS, the CFO and his/her designee will provide to each member of the System's Audit and Compliance Committee (a subcommittee of the Board of Directors) a copy in electronic or paper form of the completed Form 990 (and all required schedules) for review and approval.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 Part VI Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL OFFICERS, BOARD DIRECTORS, AND KEY EMPLOYEES OF EVERY MARSHFIELD CLINIC HEALTH SYSTEM (MCHS) ENTITY, AS WELL AS ANY OTHER PERSON DESIGNATED BY THE AUDIT AND COMPLIANCE COMMITTEE (ACC) TO BE A REQUIRED REPORTER BY VIRTUE OF HIS OR HER POSITION AT A SYSTEM ENTITY, SHALL ANNUALLY COMPLETE A CONFLICT OF INTEREST DISCLOSURE FORM. SUCH FORMS SHALL BE DISTRIBUTED AND RECORDED BY THE SYSTEM'S DESIGNATED COMPLIANCE OFFICER. ALL FINANCIAL INTERESTS DISCLOSED AS PART OF THE ANNUAL DISCLOSURE PROCESS SHALL BE REVIEWED BY THE ACC. THE ACC SHALL INFORM THE BOARD OF DISCLOSED FINANCIAL INTERESTS WHICH MAY BEAR UPON OR RELATE TO A TRANSACTION UPON WHICH THE BOARD OR ANOTHER BOARD, COMMITTEE OR OTHER BODY OF A SYSTEM ENTITY, MAY DELIBERATE OR ACT. IN ADDITION TO THE ANNUAL DISCLOSURES, IF AT ANY TIME BETWEEN ANNUAL DISCLOSURES, A REQUIRED REPORTER BECOMES AWARE THAT THE BOARD, OR A BOARD, COMMITTEE OR OTHER BODY, OF ANY SYSTEM ENTITY MAY DELIBERATE OR ACT UPON ANY TRANSACTION THAT MAY HAVE ANY BEARING OF ANY KIND UPON, OR MAY RELATE IN ANY MANNER TO, AN EXISTING, INTENDED OR EXPECTED FINANCIAL INTEREST OF THE REQUIRED REPORTER, HE OR SHE SHALL DISCLOSE THE FINANCIAL INTEREST TO THE RELEVANT SYSTEM ENTITY BOARD, COMMITTEE OR BODY CHAIR, AS WELL AS TO THE SYSTEM'S COMPLIANCE OFFICER, IN ADVANCE OF ANY DELIBERATIONS OR ACTION, WRITTEN DISCLOSURE OF THE EXISTENCE, NATURE AND EXTENT OF HIS OR HER FINANCIAL INTEREST. ALL WRITTEN OR ORAL DISCLOSURES OF FINANCIAL INTERESTS SHALL BE RECORDED IN THE MINUTES OF THE BOARD AND BY THE OFFICE OF THE COMPLIANCE OFFICER. THE COMPLIANCE OFFICER SHALL DISCLOSE THE COMPLETED FORMS AS NECESSARY TO THOSE MCHS EMPLOYEES RESPONSIBLE FOR COMPLETION OF THE IRS FORM 990.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 Part VI Line 15a and 15b</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SYSTEM'S INDEPENDENT COMPENSATION COMMITTEE (COMPENSATION COMMITTEE) SHALL HAVE FINAL AUTHORITY FOR APPROVING COMPENSATION AND BENEFITS OF ALL "DISQUALIFIED PERSONS" (AS THAT TERM IS DEFINED IN 4958 OF THE INTERNAL REVENUE CODE (THE "CODE")) EMPLOYED BY THE CORPORATION, INCLUDING BUT NOT LIMITED TO THE CORPORATION'S CEO. THE TERM "DISQUALIFIED PERSONS" INCLUDES (BUT IS NOT LIMITED TO) ANY PERSON (OR THE PERSON'S FAMILY MEMBER) WHO WAS, AT ANY TIME DURING THE 5-YEAR PERIOD ENDING ON THE DATE OF THE TRANSACTION, IN A POSITION TO EXERCISE SUBSTANTIAL INFLUENCE OVER THE AFFAIRS OF THE ORGANIZATION. IT SHALL BE THE RESPONSIBILITY OF THE COMPENSATION COMMITTEE TO INSURE THAT THE SYSTEM DOES NOT PAY AN AMOUNT THAT EXCEEDS REASONABLE COMPENSATION FOR ANY DISQUALIFIED PERSON. THE COMPENSATION COMMITTEE AND ITS OPERATING PROCEDURES SHALL BE DESIGNED TO ESTABLISH THE REBUTTABLE PRESUMPTION OF REASONABLENESS OF COMPENSATION OUTLINED IN TREASURY REG. SEC. 53.4958-6 WITH RESPECT TO EACH DISQUALIFIED PERSON. IN DETERMINING REASONABLENESS OF COMPENSATION, THE COMPENSATION COMMITTEE SHALL EVALUATE APPROPRIATE INFORMATION AS TO COMPARABILITY OF COMPENSATION, INCLUDING BUT NOT LIMITED TO: COMPENSATION LEVELS PAID BY SIMILARLY SITUATED ORGANIZATIONS FOR COMPARABLE POSITIONS; THE AVAILABILITY OF SIMILAR SERVICES IN THE SYSTEM'S GEOGRAPHIC AREA; CURRENT COMPENSATION SURVEYS COMPILED BY INDEPENDENT FIRMS; AND ACTUAL WRITTEN JOB OFFERS FROM SIMILAR INSTITUTIONS. THE ICC SHALL HAVE INDEPENDENT AUTHORITY TO OBTAIN OUTSIDE EXPERT OPINIONS ON THE REASONABLENESS AND FAIR MARKET VALUE OF COMPENSATION AND GATHER OTHER INFORMATION THE COMMITTEE CONSIDERS NECESSARY OR APPROPRIATE TO MAKE ITS DECISIONS ON COMPENSATION. THE COMPENSATION COMMITTEE SHALL TIMELY DOCUMENT ITS DETERMINATION OF REASONABLENESS OF COMPENSATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 Part VI Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Marshfield Clinic, Inc. does not make its current governing documents, conflict of interest policy or financial statements available to the public unless included as part of a form that is required to be publicly available. Form 990 Part X Line 20 Marshfield Clinic, Inc. is part of the Marshfield Clinic Health System Obligated Group. Since the Obligated Group is responsible for all outstanding financed debt obligations, all bond related reporting is disclosed on the Form 990 of Marshfield Clinic Health System, Inc.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 Part XI Line 9</FormAndLineReferenceDesc>
        <ExplanationTxt>TRANSFER TO/FROM RELATED ORGANIZATIONS ($60,388,627)</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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          <BusinessNameLine1Txt>MARSHFIELD FOOD SAFETY LLC</BusinessNameLine1Txt>
        </DisregardedEntityName>
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          <AddressLine1Txt>1000 N OAK AVENUE</AddressLine1Txt>
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        <EIN>201056380</EIN>
        <PrimaryActivitiesTxt>FOOD TESTING</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>WI</LegalDomicileStateCd>
        <TotalIncomeAmt>567195</TotalIncomeAmt>
        <EndOfYearAssetsAmt>0</EndOfYearAssetsAmt>
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          <BusinessNameLine1Txt>Mfld Clinic</BusinessNameLine1Txt>
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        <DisregardedEntityName>
          <BusinessNameLine1Txt>SECURITY HEALTH PLAN OF WISCONSIN INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
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          <AddressLine1Txt>1515 N ST JOSEPHS AVE</AddressLine1Txt>
          <CityNm>MARSHFIELD</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>54449</ZIPCd>
        </USAddress>
        <EIN>391572880</EIN>
        <PrimaryActivitiesTxt>HMO</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>WI</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(4)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>N/A</PublicCharityStatusTxt>
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          <BusinessNameLine1Txt>MCHS</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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        <DisregardedEntityName>
          <BusinessNameLine1Txt>FLAMBEAU HOSPITAL INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
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          <AddressLine1Txt>98 SHERRY AVE</AddressLine1Txt>
          <CityNm>PARK FALLS</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>54552</ZIPCd>
        </USAddress>
        <EIN>390973724</EIN>
        <PrimaryActivitiesTxt>HOSPITAL</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>WI</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
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          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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          <BusinessNameLine1Txt>LAKEVIEW MEDICAL CENTER INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
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          <AddressLine1Txt>1700 W STOUT ST</AddressLine1Txt>
          <CityNm>RICE LAKE</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>54868</ZIPCd>
        </USAddress>
        <EIN>390837206</EIN>
        <PrimaryActivitiesTxt>HOSPITAL</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>WI</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>3</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>MCHS</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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        <DisregardedEntityName>
          <BusinessNameLine1Txt>MARSHFIELD CLINIC HERITAGE FNDTN INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
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          <AddressLine1Txt>1000 N OAK AVE</AddressLine1Txt>
          <CityNm>MARSHFIELD</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>54449</ZIPCd>
        </USAddress>
        <EIN>391865942</EIN>
        <PrimaryActivitiesTxt>HONOR INDVDLS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>WI</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12-TYPE I</PublicCharityStatusTxt>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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          <AddressLine1Txt>1000 N OAK AVE</AddressLine1Txt>
          <CityNm>MARSHFIELD</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
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        </USAddress>
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        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12-Type III</PublicCharityStatusTxt>
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          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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          <BusinessNameLine1Txt>VOLUNTEER PARTNERS OF LAKEVIEW MEDICAL</BusinessNameLine1Txt>
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          <AddressLine1Txt>1700 W STOUT ST</AddressLine1Txt>
          <CityNm>RICE LAKE</CityNm>
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          <ZIPCd>54868</ZIPCd>
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          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>Family Health Center of Marshfield Inc</BusinessNameLine1Txt>
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          <AddressLine1Txt>1000 N OAK AVE</AddressLine1Txt>
          <CityNm>MARSHFIELD</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>54449</ZIPCd>
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        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
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          <ZIPCd>54449</ZIPCd>
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          <BusinessNameLine1Txt>MCHS</BusinessNameLine1Txt>
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          <AddressLine1Txt>1000 N OAK AVE</AddressLine1Txt>
          <CityNm>MARSHFIELD</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>54449</ZIPCd>
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        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
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          <BusinessNameLine1Txt>MCHS</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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          <BusinessNameLine1Txt>THE DIAGNOSTIC &amp; TREATMENT CENTER LLC</BusinessNameLine1Txt>
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          <AddressLine1Txt>3401 CRANBERRY BLVD</AddressLine1Txt>
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          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>54476</ZIPCd>
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          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
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          <BusinessNameLine1Txt>MCIS Inc</BusinessNameLine1Txt>
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          <CityNm>MARSHFIELD</CityNm>
          <StateAbbreviationCd>WI</StateAbbreviationCd>
          <ZIPCd>54449</ZIPCd>
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        <LegalDomicileStateCd>WI</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>MCHS</BusinessNameLine1Txt>
        </DirectControllingEntityName>
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      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>true</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>true</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>true</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>true</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>true</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>true</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>true</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>true</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>Security Health Plan of Wisconsin Inc</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>l</TransactionTypeTxt>
        <InvolvedAmt>10558443</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cost</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>Security Health Plan of Wisconsin Inc</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>m</TransactionTypeTxt>
        <InvolvedAmt>47517853</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cost</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I</FormAndLineReferenceDesc>
        <ExplanationTxt>MARSHFIELD CLINIC HEALTH SYSTEM, INC. (A 501(C)3 ORGANIZATION) IS THE PARENT ORGANIZATION OF MARSHFIELD CLINIC, INC. THE FOLLOWING COMPANIES ARE RELATED TO MARSHFIELD CLINIC, INC. THROUGH BROTHER/SISTER RELATIONSHIPS DUE TO A COMMON PARENT ORGANIZATION: LAKEVIEW MEDICAL CENTER INC. OF RICE LAKE SECURITY HEALTH PLAN OF WISCONSIN, INC. FLAMBEAU HOSPITAL, INC. MCIS, INC. MCHS HOSPITALS, INC. MARSHFIELD CLINIC HEALTH SYSTEM FOUNDATION, INC.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleR>
  </ReturnData>
</Return>