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        <NamePerson>ALAIN A CHAOUI MD</NamePerson>
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        <NamePerson>SARAH A KEMBLE MD</NamePerson>
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        <NamePerson>JUDD L KLINE MD</NamePerson>
        <Title>TRUSTEE</Title>
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        <NamePerson>ROBIN S RICHMAN MD</NamePerson>
        <Title>TRUSTEE</Title>
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        <NamePerson>CHARLES A WELCH MD</NamePerson>
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        <NamePerson>GEORGE ABRAHAM MD</NamePerson>
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        <NamePerson>JOSEPH C BERGERON MD</NamePerson>
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        <NamePerson>MARYANNE C BOMBAUGH MD</NamePerson>
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        <NamePerson>WILLIAM A COOK MD</NamePerson>
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        <NamePerson>CYRUS C HOPKINS MD</NamePerson>
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        <NamePerson>BARRY STEINBERG MD</NamePerson>
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        <NamePerson>ALAN C WOODWARD MD</NamePerson>
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        <NamePerson>CAROLE E ALLEN MD</NamePerson>
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        <NamePerson>JULIA F EDELMAN MD</NamePerson>
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        <NamePerson>JAMES FX KENEALY MD</NamePerson>
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        <NamePerson>THOMAS A LAMATTINA MD</NamePerson>
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        <NamePerson>JOHN J WALSH MD</NamePerson>
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        <NamePerson>CLAUDIA L KOPPELMAN MD</NamePerson>
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        <NamePerson>DAVID S ADELSTEIN III DO</NamePerson>
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        <NamePerson>B HOAGLAND ROSANIA MD</NamePerson>
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        <NamePerson>ROBERT HERTZIG MD</NamePerson>
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        <NamePerson>SAMIR K PATEL MD</NamePerson>
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        <NamePerson>NASIR A KHAN MD</NamePerson>
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        <NamePerson>KEITH C NOBIL MD</NamePerson>
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        <NamePerson>FRANCIS X ROCKETT MD</NamePerson>
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        <NamePerson>VINCENT J RUSSO MD</NamePerson>
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        <NamePerson>DANIEL E CLAPP MD</NamePerson>
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        <NamePerson>BASIL M MICHAELS MD</NamePerson>
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        <NamePerson>KEVIN P MORIARTY MD</NamePerson>
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        <NamePerson>SVEND W BRUUN MD</NamePerson>
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        <NamePerson>JOHN J LOONEY MD</NamePerson>
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        <NamePerson>M DENISE MILLIS MD</NamePerson>
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        <NamePerson>NIHAR R DESAI MD</NamePerson>
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        <NamePerson>TAJ M KATTAPURAM MD</NamePerson>
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        <NamePerson>BENJAMIN D SCHANKER</NamePerson>
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        <NamePerson>ARVIND NISHTAIA</NamePerson>
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        <NamePerson>CORINNE BRODERICK</NamePerson>
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        <NamePerson>JOHN W BURNS</NamePerson>
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        <NamePerson>CHRISTOPHER R LYNCH</NamePerson>
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      </Form990PartVIISectionA>
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        <NamePerson>JEFFERY M DRAZEN MD</NamePerson>
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        <NamePerson>CHARLES T ALAGERO</NamePerson>
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      </Form990PartVIISectionA>
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        <NamePerson>GREGORY D CURFMAN MD</NamePerson>
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        <NamePerson>ARTHUR P WILSCHEK</NamePerson>
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      </Form990PartVIISectionA>
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        <NamePerson>JONATHAN ADLER MD</NamePerson>
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        <NamePerson>EDWARD D CAMPION MD</NamePerson>
        <Title>SENIOR DEPUTY EDITOR</Title>
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      <NumberIndividualsGT100K>91</NumberIndividualsGT100K>
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      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>COLLABORATIVE CONSULTING LLC</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>70 BLANCHARD RD STE 500</AddressLine1>
            <City>BURLINGTON</City>
            <State>MA</State>
            <ZIPCode>01803</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>INFORMATION TECHNOLOGY</DescriptionOfServices>
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          <NameBusiness>
            <BusinessNameLine1>PRICEWATERHOUSECOOPERS</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
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          <AddressUS>
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            <State>PA</State>
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        </AddressOfContractor>
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        <Compensation>260100</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>JONES LANG LASALLE</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
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            <AddressLine1>1 POST OFFICE SQ</AddressLine1>
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            <State>MA</State>
            <ZIPCode>02109</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>REAL ESTATE SERVICES</DescriptionOfServices>
        <Compensation>188156</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>DELOITTE TAX LLP</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
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          <AddressUS>
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        </AddressOfContractor>
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        <Compensation>173125</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>JOHN K INGLEHART</BusinessNameLine1>
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          <AddressUS>
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            <State>MD</State>
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        </AddressOfContractor>
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      <MiscellaneousRevenue>
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      <InfoInScheduleOPartIX>X</InfoInScheduleOPartIX>
      <GrantsToDomesticOrgs>
        <Total>1019139</Total>
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      <GrantsToDomesticIndividuals>
        <Total>172070</Total>
      </GrantsToDomesticIndividuals>
      <CompCurrentOfficersDirectors>
        <Total>2997306</Total>
      </CompCurrentOfficersDirectors>
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      <PensionPlanContributions>
        <Total>7176782</Total>
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        <Total>6869767</Total>
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        <Total>2533228</Total>
      </PayrollTaxes>
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      <FeesForServicesAccounting>
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      <FeesForServicesLobbying>
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        <Total>2260744</Total>
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        <Total>7343658</Total>
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        <Total>1490541</Total>
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      <ConferencesMeetings>
        <Total>1277236</Total>
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        <Total>3856588</Total>
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      <OtherExpenses>
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      <OtherExpenses>
        <Description>CONFERENCING-FOOD COSTS</Description>
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      <OtherExpenses>
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      <FollowSFAS117>X</FollowSFAS117>
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        <Description>DEFERRED COMPENSATION</Description>
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      <OtherLiabilities>
        <Description>UNFUNDED PENSION LIABILITY</Description>
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      <OtherLiabilities>
        <Description>OTHER LONG TERM LIABILITY</Description>
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      <OtherLiabilities>
        <Description>DERIVATIVE INSTRUMENT LIABILITY</Description>
        <Amount>1854368</Amount>
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      <AcctsActvsOutUSTable>
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      <AcctsActvsOutUSTable>
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      <AcctsActvsOutUSTable>
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        <NumberOfEmployees>0</NumberOfEmployees>
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        <IRCSection>501(C)(3)</IRCSection>
        <AmountOfCashGrant>498000</AmountOfCashGrant>
        <MethodOfValuation>NOT APPLICABLE</MethodOfValuation>
        <DescriptionOfNonCashAssistance>NOT APPLICABLE</DescriptionOfNonCashAssistance>
        <PurposeOfGrant>ABUSE TREATMENT</PurposeOfGrant>
      </RecipientTable>
      <RecipientTable>
        <RecipientNameBusiness>
          <BusinessNameLine1>MASS MEDICAL BENEVOLENT SOC</BusinessNameLine1>
        </RecipientNameBusiness>
        <AddressUS>
          <AddressLine1>860 WINTER ST</AddressLine1>
          <City>WALTHAM</City>
          <State>MA</State>
          <ZIPCode>024511411</ZIPCode>
        </AddressUS>
        <EINOfRecipient>237089741</EINOfRecipient>
        <IRCSection>501(C)(3)</IRCSection>
        <AmountOfCashGrant>100000</AmountOfCashGrant>
        <MethodOfValuation>NOT APPLICABLE</MethodOfValuation>
        <DescriptionOfNonCashAssistance>NOT APPLICABLE</DescriptionOfNonCashAssistance>
        <PurposeOfGrant>FINANCIAL RELIEF</PurposeOfGrant>
      </RecipientTable>
      <RecipientTable>
        <RecipientNameBusiness>
          <BusinessNameLine1>MASS MEDICAL SOCIETY ALLIANCE</BusinessNameLine1>
        </RecipientNameBusiness>
        <AddressUS>
          <AddressLine1>860 WINTER ST</AddressLine1>
          <City>WALTHAM</City>
          <State>MA</State>
          <ZIPCode>024511411</ZIPCode>
        </AddressUS>
        <EINOfRecipient>237055291</EINOfRecipient>
        <IRCSection>501(C)(6)</IRCSection>
        <AmountOfCashGrant>25000</AmountOfCashGrant>
        <MethodOfValuation>NOT APPLICABLE</MethodOfValuation>
        <DescriptionOfNonCashAssistance>NOT APPLICABLE</DescriptionOfNonCashAssistance>
        <PurposeOfGrant>HEALTH EDUCATION</PurposeOfGrant>
      </RecipientTable>
      <RecipientTable>
        <RecipientNameBusiness>
          <BusinessNameLine1>AMA FOUNDATION</BusinessNameLine1>
        </RecipientNameBusiness>
        <AddressUS>
          <AddressLine1>9050 PAYSHPERE CR</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60674</ZIPCode>
        </AddressUS>
        <EINOfRecipient>366080517</EINOfRecipient>
        <IRCSection>501(C)(3)</IRCSection>
        <AmountOfCashGrant>14000</AmountOfCashGrant>
        <MethodOfValuation>NOT APPLICABLE</MethodOfValuation>
        <DescriptionOfNonCashAssistance>NOT APPLICABLE</DescriptionOfNonCashAssistance>
        <PurposeOfGrant>MEDICAL EDUCATION</PurposeOfGrant>
      </RecipientTable>
      <RecipientTable>
        <RecipientNameBusiness>
          <BusinessNameLine1>MA SOCIETY FOR MEDICAL RESEARCH</BusinessNameLine1>
        </RecipientNameBusiness>
        <AddressUS>
          <AddressLine1>72 PRINCETON ST SUITE 311</AddressLine1>
          <City>N CHELMSFORD</City>
          <State>MA</State>
          <ZIPCode>01863</ZIPCode>
        </AddressUS>
        <EINOfRecipient>042770981</EINOfRecipient>
        <IRCSection>501(C)(3)</IRCSection>
        <AmountOfCashGrant>7500</AmountOfCashGrant>
        <MethodOfValuation>NOT APPLICABLE</MethodOfValuation>
        <DescriptionOfNonCashAssistance>NOT APPLICABLE</DescriptionOfNonCashAssistance>
        <PurposeOfGrant>MEDICAL RESEARCH</PurposeOfGrant>
      </RecipientTable>
      <TotalNbrOf501C3AndGovtGrants>5</TotalNbrOf501C3AndGovtGrants>
      <TotalNbrOfOtherOrganizations>1</TotalNbrOfOtherOrganizations>
      <Form990ScheduleIPartIII>
        <TypeOfGrant>MEDICAL STUDENT GRANTS</TypeOfGrant>
        <NumberOfRecipients>17</NumberOfRecipients>
        <AmountOfCashGrant>160000</AmountOfCashGrant>
        <AmountOfNonCashAssistance>0</AmountOfNonCashAssistance>
        <MethodOfValuation>NOT APPLICABLE</MethodOfValuation>
        <DescriptionOfNonCashAssistance>NOT APPLICABLE</DescriptionOfNonCashAssistance>
      </Form990ScheduleIPartIII>
      <Form990ScheduleIPartIII>
        <TypeOfGrant>MEMBER LIFETIME ACHIEVEMENT AWARD</TypeOfGrant>
        <NumberOfRecipients>1</NumberOfRecipients>
        <AmountOfCashGrant>5000</AmountOfCashGrant>
        <AmountOfNonCashAssistance>0</AmountOfNonCashAssistance>
        <MethodOfValuation>NOT APPLICABLE</MethodOfValuation>
        <DescriptionOfNonCashAssistance>NOT APPLICABLE</DescriptionOfNonCashAssistance>
      </Form990ScheduleIPartIII>
      <Form990ScheduleIPartIII>
        <TypeOfGrant>INFORMATION TECHNOLOGY IN MEDICINE AWARD</TypeOfGrant>
        <NumberOfRecipients>2</NumberOfRecipients>
        <AmountOfCashGrant>6070</AmountOfCashGrant>
        <AmountOfNonCashAssistance>0</AmountOfNonCashAssistance>
        <MethodOfValuation>NOT APPLICABLE</MethodOfValuation>
        <DescriptionOfNonCashAssistance>NOT APPLICABLE</DescriptionOfNonCashAssistance>
      </Form990ScheduleIPartIII>
      <Form990ScheduleIPartIII>
        <TypeOfGrant>HISTORY OF MEDICAL ESSAY AWARD</TypeOfGrant>
        <NumberOfRecipients>1</NumberOfRecipients>
        <AmountOfCashGrant>1000</AmountOfCashGrant>
        <AmountOfNonCashAssistance>0</AmountOfNonCashAssistance>
        <MethodOfValuation>NOT APPLICABLE</MethodOfValuation>
        <DescriptionOfNonCashAssistance>NOT APPLICABLE</DescriptionOfNonCashAssistance>
      </Form990ScheduleIPartIII>
      <Form990ScheduleIPartIV>
        <Identifier>PROCEDURE FOR MONITORING GRANTS IN THE U.S.:</Identifier>
        <ReturnReference>PART I, LINE 2:</ReturnReference>
        <Explanation>SCHEDULE I, PART I, LINE 2: AMOUNTS LISTED IN PART II ARE GENERAL UNRESTRICTED CONTRIBUTIONS AND NOT GRANTS. AMOUNTS QUALIFYING AS GRANTS ARE REPORTED IN PART III OF SCHEDULE I. THE FOLLOWING PROCESS APPLIES TO MEDICAL STUDENT GRANTS: STUDENTS MUST BE ENROLLED IN A MEDICAL SCHOOL IN MASSACHUSETTS. THE MEDICAL SCHOOLS SELECT CANDIDATES BASED ON THEIR ACADEMIC EXCELLENCE, COMMUNITY SERVICE AND FINANCIAL NEED. THE MASSACHUSETTS MEDICAL SOCIETY SELECTION COMMITTEE INTERVIEWS CANDIDATES AND FINAL AWARDS (GRANTS) ARE BASED ON THEIR DECISION.</Explanation>
      </Form990ScheduleIPartIV>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <CompensationCommittee>X</CompensationCommittee>
      <IndependentConsultant>X</IndependentConsultant>
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      <WrittenEmploymentContract>X</WrittenEmploymentContract>
      <CompensationSurvey>X</CompensationSurvey>
      <BoardOrCommitteeApproval>X</BoardOrCommitteeApproval>
      <SeverancePayment>0</SeverancePayment>
      <SupplementalNonqualRetirePlan>0</SupplementalNonqualRetirePlan>
      <EquityBasedCompArrangement>0</EquityBasedCompArrangement>
      <Form990ScheduleJPartII>
        <NamePerson>CORINNE BRODERICK</NamePerson>
        <Title>EXECUTIVE VICE PRESIDENT</Title>
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      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>JOHN W BURNS</NamePerson>
        <Title>VICE PRESIDENT, FINANCE</Title>
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      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>CHRISTOPHER R LYNCH</NamePerson>
        <Title>VICE PRESIDENT, PUBLISHING</Title>
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        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>JEFFERY M DRAZEN MD</NamePerson>
        <Title>EDITOR-IN-CHIEF</Title>
        <BaseCompensationFilingOrg>469614</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>115489</BonusFilingOrg>
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        <DeferredCompFilingOrg>87184</DeferredCompFilingOrg>
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        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>CHARLES T ALAGERO</NamePerson>
        <Title>VICE PRESIDENT AND GENERAL</Title>
        <BaseCompensationFilingOrg>255493</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>51043</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>0</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>22994</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>28156</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>357686</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>GREGORY D CURFMAN MD</NamePerson>
        <Title>EXECUTIVE EDITOR</Title>
        <BaseCompensationFilingOrg>358314</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>4150</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>16500</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>39415</DeferredCompFilingOrg>
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        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
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        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>ARTHUR P WILSCHEK</NamePerson>
        <Title>EXECUTIVE DIRECTOR, GLOBAL</Title>
        <BaseCompensationFilingOrg>195002</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>109160</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>6000</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>24900</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>33625</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>368687</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>JONATHAN ADLER MD</NamePerson>
        <Title>CLINICAL STRATEGY EDITOR</Title>
        <BaseCompensationFilingOrg>316417</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>1150</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>0</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>1231</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>29210</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>348008</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>EDWARD D CAMPION MD</NamePerson>
        <Title>SENIOR DEPUTY EDITOR</Title>
        <BaseCompensationFilingOrg>304250</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>7150</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>0</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>43860</DeferredCompFilingOrg>
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        <NontaxableBenefitsFilingOrg>28630</NontaxableBenefitsFilingOrg>
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        <TotalCompensationFilingOrg>383890</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>VANESSA P KENEALY</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>SEE BELOW</Relationship>
        <AmountOfTransaction>37903</AmountOfTransaction>
        <DescriptionOfTransaction>SEE BELOW</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NameBusiness>
            <BusinessNameLine1>PHYSICIAN'S INSURANCE AGENCY OF MASSACHUSETTS INC</BusinessNameLine1>
          </NameBusiness>
        </NameOfInterestedPerson>
        <Relationship>SEE BELOW</Relationship>
        <AmountOfTransaction>806375</AmountOfTransaction>
        <DescriptionOfTransaction>SEE BELOW</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartV>
        <Identifier>PART IV, COLUMN (B):</Identifier>
        <Explanation>VENESSA P. KENEALY IS A FAMILY MEMBER OF JAMES KENEALY, M.D., TRUSTEE.PHYSICIAN'S INSURANCE AGENCY OF MA IS A FOR PROFIT SUBSIDIARY OF THE MASSACHUSETTS MEDICAL SOCIETY.</Explanation>
      </Form990ScheduleLPartV>
      <Form990ScheduleLPartV>
        <Identifier>PART IV, COLUMN (D):</Identifier>
        <Explanation>VENESSA P. KENEALY: PAYMENT FOR INDEPENDENT CONTRACTOR SERVICESPHYSICIAN'S INSURANCE AGENCY OF MA: RECEIPT OF RENT AND REIMBURSED EXPENSES</Explanation>
      </Form990ScheduleLPartV>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 2</ReturnReference>
        <Explanation>VICE PRESIDENT, RICHARD PIETERS, M.D. IS MARRIED TO MMS TRUSTEE, EDITH JOLIN, M.D. MMS TRUSTEE, BRUCE AUERBACH, M.D. IS MARRIED TO MMS TRUSTEE, ROBIN S. RICHMAN, M.D. MMS SECRETARY-TREASURER, DR. DEANNA RICKER, PRESIDENT-ELECT, RONALD DUNLAP, TRUSTEES, MARYANNE BOMBAUGH AND BRUCE AUERBACH SERVE ON THE BOARD OF CONVERYS. MMS TRUSTEE, JUDD KLINE, M.D. AND ALTERNATE TRUSTEE, SVEND BRUUN, M.D. HAVE A BUSINESS RELATIONSHIP WITH OFFICER, JOHN BURNS AS DIRECTORS OF PHYSICIAN'S INSURANCE AGENCY OF MASSACHUSETTS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 6</ReturnReference>
        <Explanation>DISTRICT SOCIETY MEMBERS ELECT TWO OF THEIR MEMBERS TO SERVE AS TRUSTEE AND ALTERNATE, RESPECTIVELY, OF THE BOARD OF TRUSTEES.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 7A</ReturnReference>
        <Explanation>DISTRICT SOCIETY MEMBERS ELECT TWO OF THEIR NUMBERS TO SERVE AS TRUSTEE AND ALTERNATE, RESPECTIVELY, OF THE BOARD OF TRUSTEES.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 7B</ReturnReference>
        <Explanation>THE HOUSE OF DELEGATE MEMBERS MAY OVERRIDE BOARD OF TRUSTEE ACTION ON PRIORITIZATION OF FUNDING A HOUSE DIRECTIVE WITH A TWO-THIRDS VOTE OF THE DELEGATES.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 11</ReturnReference>
        <Explanation>FORM 990 AND ALL RELATED SCHEDULES ARE REVIEWED BY THE SOCIETY'S TAX ADVISORS AT CBIZ TOFIAS. IN ADDITION A SLIDE PRESENTATION IS MADE TO THE SOCIETY'S COMMITTEE ON FINANCE WHICH HIGHLIGHTS THE MAJOR PROVISIONS OF THE FORM AND OTHER GENERAL INFORMATION IN REGARD TO THE FORM 990 FILING AND THE RESPONSIBILITIES OF NON-PROFIT ORGANIZATIONS. AN ADDITIONAL SLIDE PRESENTATION IS THEN PRESENTED TO THE SOCIETYS BOARD OF TRUSTEES PRIOR TO ITS FORM 990 FILING. A COMPLETE COPY OF FORM 990 AND ALL RELATED SCHEDULES AS FILED WITH THE INTERNAL REVENUE SERVICE IS PROVIDED TO THE MEMBERS OF THE BOARD OF TRUSTEES IN ELECTRONIC FORM IN A SECURED SECTION OF THE SOCIETY'S WEBSITE PRIOR TO FILING. BOARD OF TRUSTEE MEMBERS ARE NOTIFIED OF THIS POSTING BY E-MAIL AND PROVIDED A LINK TO THE SECURED SITE PRIOR TO FILING OF THE FORM.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 12C</ReturnReference>
        <Explanation>THE SOCIETY'S CONFLICT OF INTEREST POLICY APPLIES TO ITS EMPLOYEES INCLUDING THOSE MEETING THE DEFINITION OF KEY EMPLOYEES. IT ALSO APPLIES TO THOSE SERVING IN THE CAPACITY OF AN OFFICER, DIRECTOR OR TRUSTEE. NEW EMPLOYEES ARE REQUIRED TO READ AND SIGN A CONFLICT OF INTEREST AND DISCLOSURE STATEMENT UPON BEING HIRED. EMPLOYEES ARE ALSO REQUIRED TO CERTIFY YEARLY (AT THE TIME OF THEIR ANNUAL REVIEW) THAT THEY CONTINUE TO BE IN COMPLIANCE WITH THIS POLICY. BOARD MEMBERS ARE ALSO REQUIRED TO READ AND SIGN A CONFIRMATION OF COMPLIANCE WITH THE MASSACHUSETTS MEDICAL SOCIETY CONFLICT OF INTEREST POLICY ON AN ANNUAL BASIS AT THE FIRST MEETING IN JUNE. SUBSEQUENT REVIEW AND NOTICE IS MADE AT THE SECOND MEETING FOR THOSE THAT HAVE NOT YET COMPLIED WITH THE REQUIREMENT. FURTHER REVIEW AND NOTICE IS ISSUED AT THE INTERIM HOUSE OF DELEGATES MEETING IN THE FALL FOR THOSE THAT HAVE NOT YET SUBMITTED THEIR CONFIRMATION OF COMPLIANCE FORM. THE SOCIETYS EXECUTIVE VICE PRESIDENT MUST REPORT IN HER ANNUAL REPORT ON OVERALL BOARD OF TRUSTEE CONFLICT OF INTEREST COMPLIANCE RATES. DETERMINATION AND REVIEW FOR OFFICERS, DIRECTORS AND TRUSTEES RELATIVE TO CONFLICT OF INTEREST ARE AT THE BOARD OF TRUSTEES LEVEL. DETERMINATION AND REVIEW OF EMPLOYEES ARE ADDRESSED THROUGH THE SOCIETYS EXECUTIVE VICE PRESIDENT. EXECUTIVE VICE PRESIDENT CONFLICTS ARE ADDRESSED THROUGH THE SOCIETYS PRESIDENT. ACTIONS AND RESTRICTIONS RELATIVE TO NON-COMPLIANCE WITH THE POLICY ARE AS FOLLOWS: FOR TRUSTEES, THE BOARD SHALL DETERMINE BY A MAJORITY VOTE OF THOSE PRESENT WHETHER THE TRUSTEE MAY CONTINUE TO PARTICIPATE IN, AND VOTE ON THE MATTER. SUCH A VOTE SHALL BE DISPOSITIVE. FOR OFFICERS, THE PRESIDENT, PRESIDENT-ELECT AND VICE PRESIDENT SHALL DETERMINE BY CONSENSUS, NOT COUNTING THE DISCLOSING OFFICER, WHETHER THE OFFICER MAY CONTINUE TO PARTICIPATE IN THE MATTER. IF THE OFFICERS CANNOT REACH CONSENSUS THE MATTER SHALL BE DECIDED BY A MAJORITY VOTE OF THE PRESIDENT, PRESIDENT-ELECT, VICE PRESIDENT AND SECRETARY/TREASURER, NOT COUNTING THE DISCLOSING OFFICER. THE OFFICERS VOTE SHALL BE DISPOSITIVE IN THE MATTER.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 15</ReturnReference>
        <Explanation>THE FOLLOWING OFFICE/POSITION COMPENSATION WAS BASED ON REVIEW AND APPROVAL BY THE GOVERNING BODY AND COMPENSATION COMMITTEE, USE OF DATA AS TO COMPARABLE COMPENSATION FOR SIMILARLY QUALIFIED POSITIONS IN FUNCTIONALLY COMPARABLE POSITIONS AT SIMILARLY SITUATED ORGANIZATIONS AND WITH CONTEMPORANEOUS DOCUMENTATION AND RECORDKEEPING WITH RESPECT TO DELIBERATIONS AND DECISIONS REGARDING THE COMPENSATION AGREEMENT: EXECUTIVE VICE PRESIDENT VICE PRESIDENT OF FINANCE VICE PRESIDENT OF PUBLISHING EDITOR-IN-CHIEF OFFICERS APRIL 2012 IS THE LAST DATE FOR WHICH COMPENSATION REVIEWS WERE CONDUCTED FOR THE EXECUTIVE VICE PRESIDENT, VICE PRESIDENT OF FINANCE, VICE PRESIDENT OF PUBLISHING, AND EDITOR-IN-CHIEF POSITIONS. FEBRUARY 2012 IS THE LAST DATE FOR WHICH HONORARIA REVIEWS WERE CONDUCTED FOR OFFICER POSITIONS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION C, LINE 19</ReturnReference>
        <Explanation>THE MASSACHUSETTS MEDICAL SOCIETY DOES NOT MAKE ITS CONFLICT OF INTEREST POLICY AVAILABLE TO THE PUBLIC. THE SOCIETY DOES NOT MAKE ITS FINANCIAL STATEMENTS OR GOVERNING DOCUMENTS AVAILABLE TO THE PUBLIC EXCEPT AS DISCLOSED WITHIN ITS FORM 990.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>OTHER FEES</Identifier>
        <ReturnReference>FORM 990, PART IX, LINE 11G</ReturnReference>
        <Explanation>CONSULTANTS: TOTAL EXPENSES 5,047,417. CONTRACT EDITORS: TOTAL EXPENSES 1,727,319. CONTRACT LABOR: TOTAL EXPENSES 1,117,504. CONFERENCE CENTER CONTRACT STAFF FEES: TOTAL EXPENSES 1,033,657. EDITOR FEES: TOTAL EXPENSES 862,573. CONTRACT SERVICES: TOTAL EXPENSES 443,194. EDITORIAL WRITERS: TOTAL EXPENSES 253,116. CONFERENCE CENTER MGMT. AND ADMIN. FEES: TOTAL EXPENSES 178,741. OTHER CONTRACTED SERVICES: TOTAL EXPENSES 411,459.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>CHANGES IN NET ASSETS OR FUND BALANCES:</Identifier>
        <ReturnReference>FORM 990, PART XI, LINE 9:</ReturnReference>
        <Explanation>PENSION LIABILITY ADJUSTMENT 8,787,360. CHANGE IN UNREALIZED LOSS ON DERIVATIVE INSTRUMENT 641,045.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <Form990ScheduleRPartI>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>MMS WINTER STREET LLC</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>860 WINTER STREET</AddressLine1>
          <City>WALTHAM</City>
          <State>MA</State>
          <ZIPCode>024511411</ZIPCode>
        </AddressUS>
        <EIN>043384431</EIN>
        <PrimaryActivities>PROPERTY</PrimaryActivities>
        <LegalDomicileState>DE</LegalDomicileState>
        <TotalIncome>5000000</TotalIncome>
        <EOYAssets>38258534</EOYAssets>
        <DirectControllingEntityNA>N/A</DirectControllingEntityNA>
      </Form990ScheduleRPartI>
      <Form990ScheduleRPartI>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>MMS LOT 2 LLC</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>860 WINTER STREET</AddressLine1>
          <City>WALTHAM</City>
          <State>MA</State>
          <ZIPCode>024511411</ZIPCode>
        </AddressUS>
        <EIN>043500736</EIN>
        <PrimaryActivities>PROPERTY</PrimaryActivities>
        <LegalDomicileState>DE</LegalDomicileState>
        <TotalIncome>784956</TotalIncome>
        <EOYAssets>11580125</EOYAssets>
        <DirectControllingEntityNA>N/A</DirectControllingEntityNA>
      </Form990ScheduleRPartI>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>MASSACHUSETTS MEDICAL SOCIETY CHARITABLE AND EDUCATIONAL FUND</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>860 WINTER STREET</AddressLine1>
          <City>WALTHAM</City>
          <State>MA</State>
          <ZIPCode>024511411</ZIPCode>
        </AddressUS>
        <EIN>046075905</EIN>
        <PrimaryActivities>MEDICAL STUDENT LOANS</PrimaryActivities>
        <LegalDomicileState>MA</LegalDomicileState>
        <ExemptCodeSection>501(C)(3)</ExemptCodeSection>
        <PublicCharityStatus>11, TYPE I</PublicCharityStatus>
        <DirectControllingEntityNA>N/A</DirectControllingEntityNA>
        <ControlledOrg>1</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>PHYSICIAN HEALTH SERVICES INC</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>860 WINTER STREET</AddressLine1>
          <City>WALTHAM</City>
          <State>MA</State>
          <ZIPCode>024511411</ZIPCode>
        </AddressUS>
        <EIN>223234975</EIN>
        <PrimaryActivities>OUTREACH SERVICES</PrimaryActivities>
        <LegalDomicileState>MA</LegalDomicileState>
        <ExemptCodeSection>501(C)(3)</ExemptCodeSection>
        <PublicCharityStatus>11, TYPE I</PublicCharityStatus>
        <DirectControllingEntityNA>N/A</DirectControllingEntityNA>
        <ControlledOrg>1</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>MASSACHUSETTS MEDICAL SOCIETY &amp; ALLIANCE CHARITABLE FOUNDATION</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>860 WINTER STREET</AddressLine1>
          <City>WALTHAM</City>
          <State>MA</State>
          <ZIPCode>024511411</ZIPCode>
        </AddressUS>
        <EIN>223199614</EIN>
        <PrimaryActivities>GRANTMAKING</PrimaryActivities>
        <LegalDomicileState>MA</LegalDomicileState>
        <ExemptCodeSection>501(C)(3)</ExemptCodeSection>
        <PublicCharityStatus>11, TYPE I</PublicCharityStatus>
        <DirectControllingEntityNA>N/A</DirectControllingEntityNA>
        <ControlledOrg>1</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>PHYSICIAN'S INSURANCE AGENCY OF MASSACHUSETTS INC</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>860 WINTER STREET</AddressLine1>
          <City>WALTHAM</City>
          <State>MA</State>
          <ZIPCode>024511411</ZIPCode>
        </AddressUS>
        <EIN>043135954</EIN>
        <PrimaryActivity>INSURANCE</PrimaryActivity>
        <LegalDomicileState>MA</LegalDomicileState>
        <DirectControllingEntityNA>N/A</DirectControllingEntityNA>
        <TypeOfEntity>C</TypeOfEntity>
        <ShareOfTotalIncome>2483953</ShareOfTotalIncome>
        <ShareOfEOYAssets>3949424</ShareOfEOYAssets>
        <PercentageOwnership>1.00000</PercentageOwnership>
        <ControlledOrg>1</ControlledOrg>
      </Form990ScheduleRPartIV>
      <ReceiptOfIntAnnRentsRoyalties>1</ReceiptOfIntAnnRentsRoyalties>
      <GiftGrantOrCapContrToOtherOrg>1</GiftGrantOrCapContrToOtherOrg>
      <GiftGrantOrCapContrFrOtherOrg>0</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>1</LoansOrGuaranteesToOtherOrg>
      <LoansOrGuaranteesFromOtherOrg>0</LoansOrGuaranteesFromOtherOrg>
      <DividendsRelatedOrganization>0</DividendsRelatedOrganization>
      <SaleOfAssetsToOtherOrg>0</SaleOfAssetsToOtherOrg>
      <PurchaseOfAssetsFromOtherOrg>0</PurchaseOfAssetsFromOtherOrg>
      <ExchangeOfAssets>0</ExchangeOfAssets>
      <RentalOfFacilitiesToOtherOrgs>1</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>0</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>1</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>0</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>1</SharingOfFacilities>
      <SharingOfPaidEmployees>1</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>0</ReimbursementPaidToOtherOrg>
      <ReimbursementPaidByOtherOrg>1</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>1</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>1</OtherTransferFromOtherOrg>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>PHYSICIAN'S INSURANCE AGENCY OF MASSACHUSETTS INC</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>A</TransactionType>
        <AmountInvolved>89324</AmountInvolved>
        <MethodOfAmtDetermination>FAIR MARKET VALUE</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>PHYSICIAN'S INSURANCE AGENCY OF MASSACHUSETTS INC</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>O</TransactionType>
        <AmountInvolved>196000</AmountInvolved>
        <MethodOfAmtDetermination>COST</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>PHYSICIAN'S INSURANCE AGENCY OF MASSACHUSETTS INC</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>Q</TransactionType>
        <AmountInvolved>521051</AmountInvolved>
        <MethodOfAmtDetermination>COST</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>MASSACHUSETTS MEDICAL SOCIETY CHARITABLE AND EDUCATIONAL FUND</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>A</TransactionType>
        <AmountInvolved>139165</AmountInvolved>
        <MethodOfAmtDetermination>PROMISSORY NOTE</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>MASSACHUSETTS MEDICAL SOCIETY CHARITABLE AND EDUCATIONAL FUND</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>D</TransactionType>
        <AmountInvolved>5226533</AmountInvolved>
        <MethodOfAmtDetermination>PROMISSORY NOTE</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>MASSACHUSETTS MEDICAL SOCIETY CHARITABLE AND EDUCATIONAL FUND</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>R</TransactionType>
        <AmountInvolved>400000</AmountInvolved>
        <MethodOfAmtDetermination>PROMISSORY NOTE</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>MASSACHUSETTS MEDICAL SOCIETY CHARITABLE AND EDUCATIONAL FUND</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>S</TransactionType>
        <AmountInvolved>601000</AmountInvolved>
        <MethodOfAmtDetermination>PROMISSORY NOTE</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>PHYSICIAN HEALTH SERVICES INC</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>Q</TransactionType>
        <AmountInvolved>237436</AmountInvolved>
        <MethodOfAmtDetermination>COST</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>PHYSICIAN HEALTH SERVICES INC</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>B</TransactionType>
        <AmountInvolved>498000</AmountInvolved>
        <MethodOfAmtDetermination>FAIR MARKET VALUE</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>MASSACHUSETTS MEDICAL SOCIETY AND ALLIANCE CHARITABLE FOUNDATION</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>B</TransactionType>
        <AmountInvolved>188444</AmountInvolved>
        <MethodOfAmtDetermination>FAIR MARKET VALUE</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
    </IRS990ScheduleR>
  </ReturnData>
</Return>