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        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>878277</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>94602</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Colyn J Watkins MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>895436</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>60110</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Yi-Meng Yen MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>770035</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>123793</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>James R Kasser MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>55.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>5.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>815120</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>64099</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>M Timothy Hresko MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>809079</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>66180</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>John B Emans MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <OtherCompensationAmt>60183</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Samantha A Spencer MD</PersonNm>
        <TitleTxt>Clerk</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>679774</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>66137</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Travis H Matheney MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>650544</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>72561</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Megan Hannon MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>598793</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>94962</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Andrea Straccolini MD</PersonNm>
        <TitleTxt>Physician</TitleTxt>
        <AverageHoursPerWeekRt>20.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>620059</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>57000</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Lawrence I Karlin MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>587011</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>74299</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Thomas J Hart</PersonNm>
        <TitleTxt>Employee</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>60.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>502753</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>105815</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Pierre d'Hemecourt MD</PersonNm>
        <TitleTxt>Physician</TitleTxt>
        <AverageHoursPerWeekRt>20.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>102710</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Michael O'Brien MD</PersonNm>
        <TitleTxt>Physician</TitleTxt>
        <AverageHoursPerWeekRt>20.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromOrgAmt>489915</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>62372</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Melissa Christino MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <OtherCompensationAmt>73220</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Susan Mahan MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <OtherCompensationAmt>110947</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Brian Snyder MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <OtherCompensationAmt>71901</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Michael B Millis MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <OtherCompensationAmt>62172</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Martha M Murray MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>242053</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>33183</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Craig Birch MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>118149</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>12403</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>Physicians Org at CH Inc</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>Institutional Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>30856778</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>2761558</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>44</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Massachusetts General Physicians Organiz</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>55 Fruit Street</AddressLine1Txt>
            <CityNm>Boston</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02114</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Physiatry services</ServicesDesc>
        <CompensationAmt>2101404</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Harvard Medical Faculty Physicians</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>330 Brookline Avenue</AddressLine1Txt>
            <CityNm>Boston</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02215</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Physician services</ServicesDesc>
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      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Brigham and Women's Physicians Organizat</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>75 Francis Street</AddressLine1Txt>
            <CityNm>Boston</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02115</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Physician services</ServicesDesc>
        <CompensationAmt>130832</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Scribe America</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1200 East Las Olas Blvd Suite 201</AddressLine1Txt>
            <CityNm>Fort Lauderdale</CityNm>
            <StateAbbreviationCd>FL</StateAbbreviationCd>
            <ZIPCd>33301</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Medical transcription</ServicesDesc>
        <CompensationAmt>128531</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Brownson Rehmus &amp; Foxworth</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>399 Knollwood Road Sute 303</AddressLine1Txt>
            <CityNm>White Plains</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10603</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Financial counseling</ServicesDesc>
        <CompensationAmt>111438</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>5</CntrctRcvdGreaterThan100KCnt>
      <RelatedOrganizationsAmt>287032</RelatedOrganizationsAmt>
      <GovernmentGrantsAmt>1251717</GovernmentGrantsAmt>
      <TotalContributionsAmt>1538749</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>Patient service revenue</Desc>
        <BusinessCd>621300</BusinessCd>
        <TotalRevenueColumnAmt>37803763</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>37803763</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Other service revenue</Desc>
        <BusinessCd>621300</BusinessCd>
        <TotalRevenueColumnAmt>16212242</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>16212242</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Research, service &amp; other revenue</Desc>
        <BusinessCd>541700</BusinessCd>
        <TotalRevenueColumnAmt>1105258</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1105258</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Administrative, teaching &amp; suppor</Desc>
        <BusinessCd>611710</BusinessCd>
        <TotalRevenueColumnAmt>426916</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>426916</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>55548179</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>798936</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>-21520</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>820456</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>28774351</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>27810724</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>963627</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>963627</TotalRevenueColumnAmt>
        <ExclusionAmt>963627</ExclusionAmt>
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      <OtherRevenueMiscGrp>
        <Desc>Insurance Rebate</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>485418</TotalRevenueColumnAmt>
        <ExclusionAmt>485418</ExclusionAmt>
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      <OtherRevenueTotalAmt>485418</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
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        <RelatedOrExemptFuncIncomeAmt>55548179</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>-21520</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>2269501</ExclusionAmt>
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      <GrantsToDomesticOrgsGrp>
        <TotalAmt>241482</TotalAmt>
        <ProgramServicesAmt>241482</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>28803792</TotalAmt>
        <ProgramServicesAmt>28803792</ProgramServicesAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>13610684</TotalAmt>
        <ProgramServicesAmt>11569082</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2041602</ManagementAndGeneralAmt>
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      <PensionPlanContributionsGrp>
        <TotalAmt>1042041</TotalAmt>
        <ProgramServicesAmt>1042041</ProgramServicesAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>551713</TotalAmt>
        <ProgramServicesAmt>551713</ProgramServicesAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>621905</TotalAmt>
        <ProgramServicesAmt>584644</ProgramServicesAmt>
        <ManagementAndGeneralAmt>37261</ManagementAndGeneralAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
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        <ManagementAndGeneralAmt>-563</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>96012</TotalAmt>
        <ManagementAndGeneralAmt>96012</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>114517</TotalAmt>
        <ManagementAndGeneralAmt>114517</ManagementAndGeneralAmt>
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      <FeesForServicesOtherGrp>
        <TotalAmt>2194768</TotalAmt>
        <ProgramServicesAmt>2013892</ProgramServicesAmt>
        <ManagementAndGeneralAmt>180876</ManagementAndGeneralAmt>
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      <OfficeExpensesGrp>
        <TotalAmt>1689541</TotalAmt>
        <ProgramServicesAmt>1610939</ProgramServicesAmt>
        <ManagementAndGeneralAmt>78602</ManagementAndGeneralAmt>
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      <OccupancyGrp>
        <TotalAmt>1300861</TotalAmt>
        <ProgramServicesAmt>1300861</ProgramServicesAmt>
      </OccupancyGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>416789</TotalAmt>
        <ProgramServicesAmt>416789</ProgramServicesAmt>
      </ConferencesMeetingsGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>96735</TotalAmt>
        <ProgramServicesAmt>96735</ProgramServicesAmt>
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      <InsuranceGrp>
        <TotalAmt>1390964</TotalAmt>
        <ProgramServicesAmt>1303024</ProgramServicesAmt>
        <ManagementAndGeneralAmt>87940</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>Outside medical service</Desc>
        <TotalAmt>2562321</TotalAmt>
        <ProgramServicesAmt>2562321</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Research and education</Desc>
        <TotalAmt>1222789</TotalAmt>
        <ProgramServicesAmt>1222789</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>PO management services</Desc>
        <TotalAmt>902530</TotalAmt>
        <ProgramServicesAmt>902530</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>Coordinated Specialty P</Desc>
        <TotalAmt>650912</TotalAmt>
        <ProgramServicesAmt>650912</ProgramServicesAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>57509793</TotalAmt>
        <ProgramServicesAmt>54873546</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2636247</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
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      <SavingsAndTempCashInvstGrp>
        <BOYAmt>29089981</BOYAmt>
        <EOYAmt>33692529</EOYAmt>
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      <AccountsReceivableGrp>
        <BOYAmt>5508305</BOYAmt>
        <EOYAmt>4504583</EOYAmt>
      </AccountsReceivableGrp>
      <ReceivablesFromOfficersEtcGrp>
        <BOYAmt>759733</BOYAmt>
        <EOYAmt>393071</EOYAmt>
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      <OthNotesLoansReceivableNetGrp>
        <BOYAmt>24000</BOYAmt>
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        <PersonNm>John B Emans MD</PersonNm>
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        <PersonNm>Thomas J Hart</PersonNm>
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        <PersonNm>Michael B Millis MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
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        <PersonNm>Martha M Murray MD</PersonNm>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 1a</FormAndLineReferenceDesc>
        <ExplanationTxt>The Foundation provides gross-up payments for mortgage forgiveness, tuition payments, long-term disability insurance, life insurance, and tax preparation fees. These payments are included as taxable wages during the year. All permanent full-time employees of the Foundation are eligible for the gross-up payments.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 4a</FormAndLineReferenceDesc>
        <ExplanationTxt>The Foundation established a nonqualified severance benefit plan called the Children's Orthopaedic Surgery Foundation, Inc. Severance Benefit Plan, effective as of September 1, 1991, to supplement the severance, death or disability benefits available to certain employees of the Foundation. The Board of Directors designates eligible employees and determines benefits. The Severance Benefit Plan was frozen as of December 31, 2004. Although the assets of the trust have been irrevocably set aside for payment of deferred compensation benefits, they are subject first to the claims of the Foundation's creditors in the event the Foundation is subject to bankruptcy proceedings.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 7</FormAndLineReferenceDesc>
        <ExplanationTxt>The Children's Orthopaedic Surgery Foundation, Inc. (the Foundation) paid bonus compensation based on revenues of the Foundation. Bonuses are normally paid in June and December. There is an income statement maintained for each physician. The bonuses are based on the excess balance accumulated in each physician's income statements, the performance of the physician during the six month period, the necessary reserve requirement of the three month's salary plus any other reserve deemed appropriate by the Chief of the Department. Bonus compensation is determined by the Chief of the Foundation. The amounts are discretionary based on various factors, including but not limited to the financial performance of the Foundation.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part II:</FormAndLineReferenceDesc>
        <ExplanationTxt>Various individuals listed in Form 990, Part VII are compensated for services rendered to an unrelated organization, Children's Sports Medicine Foundation, Inc. Salary and benefit information reported in Form 990 Part VII and Schedule J, Part II represents compensation for services the individuals provided to both organizations. As an allocation of compensation specific to the Foundations cannot be readily performed, the respective individuals' total salary and benefits have been reported on the Foundation's Form 990 in accordance with Internal Revenue Service instructions.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="RetDoc1042800001">
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        <PersonNm>Andrea Bauer MD</PersonNm>
        <RelationshipWithOrgTxt>Director</RelationshipWithOrgTxt>
        <LoanPurposeTxt>Recruitment</LoanPurposeTxt>
        <LoanFromOrganizationInd>X</LoanFromOrganizationInd>
        <OriginalPrincipalAmt>200000</OriginalPrincipalAmt>
        <BalanceDueAmt>40000</BalanceDueAmt>
        <DefaultInd>0</DefaultInd>
        <BoardOrCommitteeApprovalInd>1</BoardOrCommitteeApprovalInd>
        <WrittenAgreementInd>1</WrittenAgreementInd>
      </LoansBtwnOrgInterestedPrsnGrp>
      <LoansBtwnOrgInterestedPrsnGrp>
        <PersonNm>Eduardo N Novais MD</PersonNm>
        <RelationshipWithOrgTxt>Director</RelationshipWithOrgTxt>
        <LoanPurposeTxt>Recruitment</LoanPurposeTxt>
        <LoanFromOrganizationInd>X</LoanFromOrganizationInd>
        <OriginalPrincipalAmt>600000</OriginalPrincipalAmt>
        <BalanceDueAmt>240000</BalanceDueAmt>
        <DefaultInd>0</DefaultInd>
        <BoardOrCommitteeApprovalInd>1</BoardOrCommitteeApprovalInd>
        <WrittenAgreementInd>1</WrittenAgreementInd>
      </LoansBtwnOrgInterestedPrsnGrp>
      <LoansBtwnOrgInterestedPrsnGrp>
        <PersonNm>Megan Hannon MD</PersonNm>
        <RelationshipWithOrgTxt>Director</RelationshipWithOrgTxt>
        <LoanPurposeTxt>Recruitment</LoanPurposeTxt>
        <LoanFromOrganizationInd>X</LoanFromOrganizationInd>
        <OriginalPrincipalAmt>26400</OriginalPrincipalAmt>
        <BalanceDueAmt>26400</BalanceDueAmt>
        <DefaultInd>0</DefaultInd>
        <BoardOrCommitteeApprovalInd>1</BoardOrCommitteeApprovalInd>
        <WrittenAgreementInd>1</WrittenAgreementInd>
      </LoansBtwnOrgInterestedPrsnGrp>
      <LoansBtwnOrgInterestedPrsnGrp>
        <PersonNm>Matthew D Milewski MD</PersonNm>
        <RelationshipWithOrgTxt>Director</RelationshipWithOrgTxt>
        <LoanPurposeTxt>Recruitment</LoanPurposeTxt>
        <LoanFromOrganizationInd>X</LoanFromOrganizationInd>
        <OriginalPrincipalAmt>260000</OriginalPrincipalAmt>
        <BalanceDueAmt>86671</BalanceDueAmt>
        <DefaultInd>0</DefaultInd>
        <BoardOrCommitteeApprovalInd>1</BoardOrCommitteeApprovalInd>
        <WrittenAgreementInd>1</WrittenAgreementInd>
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      <TotalBalanceDueAmt>393071</TotalBalanceDueAmt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule L, Part II:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Foundation has provided secured forgivable loans to employees. The loans bear carrying interest rates up to 4.89%. In most cases, the Foundation forgives an amount equal to 20% of the principal value for each year of continued employment. The amount forgiven is included in the employee's W-2 during the year of forgiveness. At September 30, 2020, the balance of the loans outstanding is $493,071. Future principal balances due are $295,845 in 2021; $158,613 in 2022; and $38,613 in 2023. Loan amounts to individuals reported in Part VII have been disclosed in Schedule L, Part II, the balance of the notes receivable are with individuals who are not required to be disclosed in Schedule L per the Internal Revenue Service instructions.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 1</FormAndLineReferenceDesc>
        <ExplanationTxt>A majority of the Children's Orthopaedic Surgery Foundation, Inc.'s (the Foundation's) board members are physicians who are not independent from the Foundation. However, the Foundation participates in an integrated delivery system with Boston Children's Hospital (the Hospital), which does have a community board. The Foundation was organized in 1986. At that time, the board was composed entirely of physicians, a board structure that was approved by the Internal Revenue Service. The Foundation has since adjusted the board structure to make it more responsive to the Hospital by adding the Physicians Organization at Children's Hospital, Inc. (the PO) as a member. See Schedule O, Part VI, Questions 3, 6, 7b, and 12 for more details on the PO's rights.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 3</FormAndLineReferenceDesc>
        <ExplanationTxt>The Physicians Organization at Children's Hospital, Inc. (the PO) is the Class "C" member of Children's Orthopaedic Surgery Foundation, Inc. (the Foundation). The PO is responsible for providing management services to the Foundation. The PO has the power to approve the independent auditor and legal counsel of the Foundation from a list of firms mutually agreed to by the PO and the Foundation. The PO also has the right to review, but not to approve, the annual budgets and by-law changes of the Foundation. Lastly, Boston Children's Hospital has the right to review for compliance with applicable law, the general terms of and any modification to physician compensation and benefit plans for all physician employees of the Foundation.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>The Children's Orthopaedic Surgery Foundation, Inc. (the Foundation) has four classes of members. The Chief of the Department of Orthopaedic Surgery (the Department) of Boston Children's Hospital (the Hospital) is the Class "A" member. Each person who is a member of the Foundation, other than the Chief of the Department, may become a Class "B" member of the Foundation upon recommendation by the Class "A" member and approval of the Class "B" members. The Physicians Organization at Children's Hospital, Inc. is the Class "C" member of the Foundation. All full-time physicians with Harvard Medical School appointments in the Department of Orthopaedics at the Hospital (excluding the Class A member and the Class B members) shall be Class D members.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>According to the Articles of Organization, the Chief of the Department of Orthopaedic Surgery of Boston Children's Hospital is the Class "A" member of Children's Orthopaedic Surgery Foundation, Inc. (the Foundation). Each person who is a member of the Foundation, other than the Chief of the Department, is a Class "B" member of the Foundation. The Class "A and "B" members of the Foundation elect the Board of Directors from nominees presented by the Executive Committee at their annual meeting. Each member is entitled to one vote upon any question at any meeting of the members.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Physicians Organization at Children's Hospital, Inc. (the PO) is the Class "C" member of Children's Orthopaedic Surgery Foundation, Inc. (the Foundation). The PO is responsible for providing management services to the Foundation. The PO has the power to approve the independent auditor and legal counsel of the Foundation from a list of firms mutually agreed to by the PO and the Foundation. The PO also has the right to review, but not to approve, the annual budgets and by-law changes of the Foundation. Lastly, Boston Children's Hospital has the right to review for compliance with applicable law, the general terms of and any modification to physician compensation and benefit plans for all physician employees of the Foundation. As the Class "C" member of the Foundation, the PO attends the Foundation's annual meeting.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The detailed review will be conducted by the President of the Foundation, Peter M. Waters, MD and the Finance Manager, Marc Conroy. A copy of Form 990 will be provided to the Board prior to filing. The Physicians Organization at Children's Hospital, Inc. will review the Form 990 with the board members. The detailed review will be conducted before filing the return with the Internal Revenue Service.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>In conjunction with Boston Children's Hospital, the Physicians Organization at Children's Hospital, Inc. (the PO) administers an annual conflict of interest disclosure process to all of its member Foundations, which asks physicians (officers, top management, and highly compensated employees) and selected Foundation staff to disclose potential conflicts. A disclosure statement will be circulated annually to members of the PO. The audit committee shall determine those individuals (including medical staff members) who shall be required to complete the disclosure statement. The audit committee, at its discretion, may either: 1) refer any or all statements to the Board of Directors; 2) appoint an ad hoc committee to review and resolve any conflict of interest issues; or 3) review and resolve any conflict of interest personally or through a designee(s). Any person not receiving a disclosure statement has an affirmative obligation to disclose to the PO President, PO General Counsel, or his/her supervisor whenever he/she believes he/she has or may have a conflict of interest. Similarly, each person completing a disclosure statement has an affirmative obligation to update the statement any time circumstances change and/or he/she believes that a conflict of interest may exist. In the event a conflict of interest is found to exist, the Foundation prohibits the member from voting on any matter to which the conflict relates or otherwise influence the voting on such matter.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>Faculty compensation must comply with the Boston Children's Hospital (the Hospital) Physician Compensation Guidelines. These guidelines are developed in consultation with an independent external compensation consulting firm and are approved by independent Compensation Committee of the Board of Children's Medical Center Corporation and the Hospital. The guidelines set the maximum compensation limits based on a peer group analysis for the Foundation. The maximum compensation limits are based on pediatric specialty, sub-specialty, academic rank and include productivity adjustments. Any proposed compensation that exceeds the limits must be prospectively approved by the independent Compensation Committee of the Board of the Hospital. Annual compensation for individuals faculty members is set by the President of Children's Orthopaedic Surgery Foundation, Inc. (the Foundation), reviewed and approved by the Foundation in accordance with the Foundation's compensation policies and procedures. The Foundation's President's compensation is reviewed and approved annually on a prospective basis by the Boston Children's Hospital Chief Executive Officer and President/Chief Operating Officer.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>The Foundation maintains all financial records, conflict of interest policies, and governing documents at its main office at 300 Longwood Avenue, Boston, MA 02115. The documents are available upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XII, Line 2c:</FormAndLineReferenceDesc>
        <ExplanationTxt>The audit process and scope has not changed from the prior year.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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        <DisregardedEntityName>
          <BusinessNameLine1Txt>Boston Children's Hospital</BusinessNameLine1Txt>
        </DisregardedEntityName>
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          <AddressLine1Txt>300 Longwood Avenue</AddressLine1Txt>
          <CityNm>Boston</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02115</ZIPCd>
        </USAddress>
        <EIN>042774441</EIN>
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        <PrimaryActivitiesTxt>Physician Organization</PrimaryActivitiesTxt>
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        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>Line 12c, III-FI</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>1</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>1</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>1</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>1</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>1</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>1</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>1</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>1</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>1</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>