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        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>53.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>1118540</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>145296</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>HORACIO ROZANSKI</PersonNm>
        <TitleTxt>BOARD CHAIRMAN (FROM 6/6/2025)</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>11.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>BARBARA LOPEZ KUNZ</PersonNm>
        <TitleTxt>BOARD VICE CHAIR (FROM 6/6/2025)</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>8.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>RAMANARAYAN V POTARAZU</PersonNm>
        <TitleTxt>BOARD TREASURER (FROM 6/6/2025)</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>8.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>AMY BAIER</PersonNm>
        <TitleTxt>BOARD MEMBER (FROM 6/6/2025)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>4.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JONCA BULL MD</PersonNm>
        <TitleTxt>BOARD MEMBER (FROM 6/6/2025)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>4.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>TONI BUSH</PersonNm>
        <TitleTxt>BOARD MEMBER (FROM 6/6/2025)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>4.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>AMY FREEMAN</PersonNm>
        <TitleTxt>BOARD MEMBER (FROM 6/6/2025)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>4.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MICHAEL JONES</PersonNm>
        <TitleTxt>BOARD MEMBER (FROM 6/6/2025)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>5.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JASON LEVIEN</PersonNm>
        <TitleTxt>BOARD MEMBER (FROM 6/6/2025)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>4.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>CARRIE MARRIOTT</PersonNm>
        <TitleTxt>BOARD MEMBER (FROM 6/6/2025)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>4.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>LINDA RABBITT</PersonNm>
        <TitleTxt>BOARD MEMBER (FROM 6/6/2025)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>4.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JIMMY REYES</PersonNm>
        <TitleTxt>BOARD MEMBER (FROM 6/6/2025)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>4.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MARK ROUCHARD</PersonNm>
        <TitleTxt>BOARD MEMBER (FROM 6/6/2025)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>4.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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      <Form990PartVIISectionAGrp>
        <PersonNm>DAVID STRICKLAND</PersonNm>
        <TitleTxt>BOARD MEMBER (FROM 6/6/2025)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>4.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CAROLINE VAN VLECK MD</PersonNm>
        <TitleTxt>BOARD MEMBER (FROM 6/6/2025)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>4.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MICHAEL WARD</PersonNm>
        <TitleTxt>BOARD MEMBER (FROM 6/6/2025)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>4.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>YVES D'UDEKEM D'ACOZ MD</PersonNm>
        <TitleTxt>CHIEF OF CARDIO SURGERY</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>55.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MARK L BATSHAW MD</PersonNm>
        <TitleTxt>SENIOR INVESTIGATOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>54.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>694223</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>ANTHONY SANDLER MD</PersonNm>
        <TitleTxt>SVP CENTER OF EXCELLENCE</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>46.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>ROBERT KEATING MD</PersonNm>
        <TitleTxt>CHIEF OF NEUROSURGERY</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>54.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
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      <Form990PartVIISectionAGrp>
        <PersonNm>DAVID WESSEL MD</PersonNm>
        <TitleTxt>CHIEF MEDICAL OFFICER</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>54.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>1322732</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>KURT D NEWMAN MD</PersonNm>
        <TitleTxt>FORMER BOARD CHAIR, PRES/CEO CNMC</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>55.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>658152</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>25903</OtherCompensationAmt>
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      <TotalReportableCompFromOrgAmt>0</TotalReportableCompFromOrgAmt>
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      <FormerOfcrEmployeesListedInd>1</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>HURON CONSULTING GROUP INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1800 M ST NW</AddressLine1Txt>
            <CityNm>WASHINGTON</CityNm>
            <StateAbbreviationCd>DC</StateAbbreviationCd>
            <ZIPCd>20036</ZIPCd>
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        </ContractorAddress>
        <ServicesDesc>PROFESSIONAL CONSULTANTS</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>K ROGERS CONSULTING LLC</BusinessNameLine1Txt>
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        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>19847 CENTURY BLVD SUITE 200</AddressLine1Txt>
            <CityNm>GERMANTOWN</CityNm>
            <StateAbbreviationCd>MD</StateAbbreviationCd>
            <ZIPCd>20874</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>PROFESSIONAL CONSULTANTS</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>OBLON MCCLELLAND MAIER &amp; NEUSTADT LLP</BusinessNameLine1Txt>
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        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1940 DUKE ST</AddressLine1Txt>
            <CityNm>ALEXANDRIA</CityNm>
            <StateAbbreviationCd>VA</StateAbbreviationCd>
            <ZIPCd>22314</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>LEGAL FEES</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MANATT PHELPS &amp; PHILLIPS LLP</BusinessNameLine1Txt>
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        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>2049 CENTURY PARK EAST STE 1700</AddressLine1Txt>
            <CityNm>LOS ANGELES</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>90067</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>LEGAL FEES</ServicesDesc>
        <CompensationAmt>250781</CompensationAmt>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>VIDOORI INC</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>4000 GARDEN CITY DR SUITE 808</AddressLine1Txt>
            <CityNm>HYATTSVILLE</CityNm>
            <StateAbbreviationCd>MD</StateAbbreviationCd>
            <ZIPCd>20785</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>IT SERVICES</ServicesDesc>
        <CompensationAmt>241261</CompensationAmt>
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      <CntrctRcvdGreaterThan100KCnt>7</CntrctRcvdGreaterThan100KCnt>
      <RelatedOrganizationsAmt>17489287</RelatedOrganizationsAmt>
      <GovernmentGrantsAmt>65624772</GovernmentGrantsAmt>
      <AllOtherContributionsAmt>26104910</AllOtherContributionsAmt>
      <TotalContributionsAmt>109218969</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>RESEARCH REVENUE</Desc>
        <BusinessCd>541700</BusinessCd>
        <TotalRevenueColumnAmt>120782</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>120782</RelatedOrExemptFuncIncomeAmt>
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      <TotalProgramServiceRevenueAmt>120782</TotalProgramServiceRevenueAmt>
      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>44514</TotalRevenueColumnAmt>
        <ExclusionAmt>44514</ExclusionAmt>
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      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>109384265</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>120782</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>44514</ExclusionAmt>
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      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <CompDisqualPersonsGrp>
        <TotalAmt>939677</TotalAmt>
        <ManagementAndGeneralAmt>939677</ManagementAndGeneralAmt>
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      <OtherSalariesAndWagesGrp>
        <TotalAmt>64797551</TotalAmt>
        <ProgramServicesAmt>58228144</ProgramServicesAmt>
        <ManagementAndGeneralAmt>6569407</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>14507</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1871</ManagementAndGeneralAmt>
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      <OtherEmployeeBenefitsGrp>
        <TotalAmt>4377671</TotalAmt>
        <ProgramServicesAmt>3877615</ProgramServicesAmt>
        <ManagementAndGeneralAmt>500056</ManagementAndGeneralAmt>
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      <PayrollTaxesGrp>
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        <ProgramServicesAmt>3247295</ProgramServicesAmt>
        <ManagementAndGeneralAmt>418770</ManagementAndGeneralAmt>
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      <FeesForServicesLegalGrp>
        <TotalAmt>660753</TotalAmt>
        <ProgramServicesAmt>585276</ProgramServicesAmt>
        <ManagementAndGeneralAmt>75477</ManagementAndGeneralAmt>
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      <FeesForServicesOtherGrp>
        <TotalAmt>28811106</TotalAmt>
        <ProgramServicesAmt>25520048</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3291058</ManagementAndGeneralAmt>
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      <AdvertisingGrp>
        <TotalAmt>17640</TotalAmt>
        <ProgramServicesAmt>15625</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2015</ManagementAndGeneralAmt>
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      <OfficeExpensesGrp>
        <TotalAmt>622042</TotalAmt>
        <ProgramServicesAmt>550987</ProgramServicesAmt>
        <ManagementAndGeneralAmt>71055</ManagementAndGeneralAmt>
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      <InformationTechnologyGrp>
        <TotalAmt>1135814</TotalAmt>
        <ProgramServicesAmt>1006071</ProgramServicesAmt>
        <ManagementAndGeneralAmt>129743</ManagementAndGeneralAmt>
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      <RoyaltiesGrp>
        <TotalAmt>16183</TotalAmt>
        <ProgramServicesAmt>14334</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1849</ManagementAndGeneralAmt>
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      <OccupancyGrp>
        <TotalAmt>864088</TotalAmt>
        <ProgramServicesAmt>765384</ProgramServicesAmt>
        <ManagementAndGeneralAmt>98704</ManagementAndGeneralAmt>
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      <TravelGrp>
        <TotalAmt>973321</TotalAmt>
        <ProgramServicesAmt>862140</ProgramServicesAmt>
        <ManagementAndGeneralAmt>111181</ManagementAndGeneralAmt>
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      <ConferencesMeetingsGrp>
        <TotalAmt>900585</TotalAmt>
        <ProgramServicesAmt>797712</ProgramServicesAmt>
        <ManagementAndGeneralAmt>102873</ManagementAndGeneralAmt>
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      <DepreciationDepletionGrp>
        <TotalAmt>2428991</TotalAmt>
        <ProgramServicesAmt>2151530</ProgramServicesAmt>
        <ManagementAndGeneralAmt>277461</ManagementAndGeneralAmt>
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      <InsuranceGrp>
        <TotalAmt>66743</TotalAmt>
        <ProgramServicesAmt>59119</ProgramServicesAmt>
        <ManagementAndGeneralAmt>7624</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
        <Desc>OVERHEAD</Desc>
        <TotalAmt>20332005</TotalAmt>
        <ProgramServicesAmt>5083001</ProgramServicesAmt>
        <ManagementAndGeneralAmt>15249004</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>MEDICAL SUPPLIES</Desc>
        <TotalAmt>5752760</TotalAmt>
        <ProgramServicesAmt>5095630</ProgramServicesAmt>
        <ManagementAndGeneralAmt>657130</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>SMALL MEDICAL EQUIPMENT</Desc>
        <TotalAmt>1710465</TotalAmt>
        <ProgramServicesAmt>1515081</ProgramServicesAmt>
        <ManagementAndGeneralAmt>195384</ManagementAndGeneralAmt>
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        <ExplanationTxt>THE FOLLOWING INDIVIDUALS PARTICIPATED IN A SUPPLEMENTAL NON-QUALIFIED RETIREMENT PLAN. THE CONTRIBUTIONS TO THE SUPPLEMENTAL NON-QUALIFIED RETIREMENT PLAN ARE INCLUDED IN SCHEDULE J, PART II, COLUMN (C) AS PART OF DEFERRED COMPENSATION OR SCHEDULE J, PART II, COLUMN (B)(III) WHEN AMOUNTS ARE DEFERRED AND DISTRIBUTED IN THE SAME CALENDAR YEAR: ANTHONY SANDLER, MD $158,922 DAVID WESSEL, MD $122,382 ROBERT KEATING, MD $97,744 ALDWIN LINDSAY $111,334 MARY ANNE HILLIARD $91,225 MARK L. BATSHAW, MD $85,511 MICHELLE RILEY-BROWN $202,500 ADDITIONALLY, THE FOLLOWING INDIVIDUALS RECEIVED DISTRIBUTIONS FROM THE PLAN THAT WERE DEFERRED ON A PREVIOUSLY FILED FORM 990 AND ARE INCLUDED IN SCHEDULE J, PART II, COLUMN (B)(III) AS TAXABLE WAGES IN THE CURRENT YEAR. ANTHONY SANDLER, MD $155,810. DAVID WESSEL, MD $122,382 ROBERT KEATING, MD $97,744 ALDWIN LINDSAY $94,247 MARY ANNE HILLIARD $65,952 MARK L. BATSHAW, MD $85,511 KURT D. NEWMAN, MD $464,056</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>EFFECTIVE JUNE 6, 2025, THE ORGANIZATION ADOPTED AMENDED AND RESTATED BYLAWS AS PART OF AN ENTERPRISE-WIDE GOVERNANCE TRANSFORMATION. THE BYLAWS WERE REVISED TO ALIGN THE ORGANIZATION'S GOVERNANCE WITH CHILDREN'S NATIONAL'S SYSTEM-WIDE GOVERNANCE STRUCTURE, UNDER WHICH THE CHILDREN'S NATIONAL BOARD SERVES AS THE GOVERNING BOARD OF THE ORGANIZATION AND ITS CORE AFFILIATES. AS A RESULT, THE ORGANIZATION NO LONGER MAINTAINS A SEPARATE STANDALONE BOARD, OFFICERS, OR BOARD COMMITTEES; INSTEAD, THE DIRECTORS, OFFICERS, AND COMMITTEES OF CHILDREN'S NATIONAL SERVE EX OFFICIO IN THOSE ROLES FOR THE ORGANIZATION. THE AMENDED BYLAWS ALSO UPDATED PROVISIONS RELATING TO THE ORGANIZATION'S PURPOSE, DIRECTOR QUALIFICATIONS AND TERMS, CONFLICTS OF INTEREST, INDEMNIFICATION, AND AMENDMENT AUTHORITY, AND REFLECT THE ORGANIZATION'S D/B/A NAME, CHILDREN'S NATIONAL RESEARCH INSTITUTE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS OR STOCKHOLDERS CHILDREN'S NATIONAL MEDICAL CENTER DBA CHILDREN'S NATIONAL IS THE SOLE MEMBER OF CHILDREN'S NATIONAL RESEARCH INSTITUTE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS OR STOCKHOLDERS THE SOLE MEMBER OF CHILDREN'S NATIONAL RESEARCH INSTITUTE HAS THE RIGHT TO ELECT DIRECTORS OF CHILDREN'S NATIONAL RESEARCH INSTITUTE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS OR STOCKHOLDERS THE ARTICLES AND BY-LAWS OF CHILDREN'S NATIONAL RESEARCH INSTITUTE DESCRIBE CERTAIN RIGHTS RESERVED TO THE SOLE MEMBER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 REVIEW PROCESS ONCE THE FORM 990 AND ALL SCHEDULES HAVE BEEN PREPARED BY THE ORGANIZATION'S PROFESSIONAL TAX SERVICES PROVIDER, THE RELEVANT COMMITTEES OF THE ORGANIZATION, ENTITY OPERATIONAL LEADERSHIP, AND FINANCE MANAGEMENT REVIEW APPLICABLE PORTIONS OF THE FORM 990. THE COMPLETED FORM 990 IS ALSO MADE AVAILABLE TO THE BOARD OF CHILDREN'S NATIONAL PRIOR TO FILING WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>CONFLICT OF INTEREST POLICY MONITORING &amp; ENFORCEMENT CHILDREN'S RESEARCH INSTITUTE FORMALLY ADOPTED THE CONFLICT OF INTEREST POLICY OF IT'S SOLE MEMBER. CHILDREN'S NATIONAL AND SUBSIDIARIES ASKS THAT EACH OFFICER, DIRECTOR, AND KEY EMPLOYEE COMPLETE A CONFLICT-OF-INTEREST FORM AT LEAST EVERY YEAR. IN ADDITION, EACH OFFICER, DIRECTOR, AND KEY EMPLOYEE IS INSTRUCTED TO AMEND THE CONFLICT-OF-INTEREST FORM IMMEDIATELY UPON A CHANGE IN STATUS OF ANY OF THE QUESTIONS ON THE FORM. THESE FORMS ARE REVIEWED ANNUALLY BY THE CHIEF LEGAL OFFICER AND CONFLICTS OF INTERESTS ARE NOTED. THE CHILDREN'S NATIONAL BOARD MAKES A DETERMINATION BASED ON THE RECOMMENDATION OF THE CHIEF LEGAL OFFICER AS TO WHICH PERSONS SHOULD BE CONSIDERED "INTERESTED PARTIES" BASED ON THE CRITERIA SET FORTH IN THE BOARD'S GOVERNANCE POLICY. FORM 990, PART VI, LINES 13 AND 14: GOVERNING POLICIES CHILDREN'S NATIONAL RESEARCH INSTITUTE IS GOVERNED BY THE POLICIES OF ITS PARENT, CHILDREN'S NATIONAL. THESE POLICIES INCLUDE A WRITTEN WHISTLEBLOWER POLICY AND A WRITTEN DOCUMENT RETENTION AND DESTRUCTION POLICY.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>PROCESS FOR DETERMINING COMPENSATION CHILDREN'S NATIONAL RESEARCH INSTITUTE RELIES ON ITS PARENT, CHILDREN'S NATIONAL, TO DETERMINE COMPENSATION FOR CRI'S PRESIDENT. CHILDREN'S NATIONAL USED A COMPENSATION COMMITTEE, INDEPENDENT COMPENSATION CONSULTANT, COMPENSATION SURVEY OR STUDY, AND APPROVAL BY THE BOARD OR COMPENSATION COMMITTEE TO ESTABLISH COMPENSATION. THE COMMITTEE DOCUMENTS ITS DELIBERATIONS AND DECISIONS REGARDING COMPENSATION MATTERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>HOW DOCUMENTS ARE MADE AVAILABLE TO THE PUBLIC CHILDREN'S NATIONAL RESEARCH INSTITUTE MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, FINANCIAL STATEMENTS, AND FORM 990 AVAILABLE UPON REQUEST.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>CONSULTANT FEES: PROGRAM SERVICE EXPENSES 3,296,062. MANAGEMENT AND GENERAL EXPENSES 425,059. TOTAL EXPENSES 3,721,121. MEDICAL PROFESSIONAL FEES: PROGRAM SERVICE EXPENSES 1,716,671. MANAGEMENT AND GENERAL EXPENSES 221,381. TOTAL EXPENSES 1,938,052. OTHER PURCHASED SERVICES: PROGRAM SERVICE EXPENSES 3,790,357. MANAGEMENT AND GENERAL EXPENSES 488,803. TOTAL EXPENSES 4,279,161. PURCHASED PERSONNEL: PROGRAM SERVICE EXPENSES 1,817,170. MANAGEMENT AND GENERAL EXPENSES 234,342. TOTAL EXPENSES 2,051,512. SUBCONTRACTOR SERVICES: PROGRAM SERVICE EXPENSES 14,899,788. MANAGEMENT AND GENERAL EXPENSES 1,921,472. TOTAL EXPENSES 16,821,260.</ExplanationTxt>
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      <TransferFromOtherOrgInd>1</TransferFromOtherOrgInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE R, PART II:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE HSC FOUNDATION WAS DISSOLVED EFFECTIVE JULY 2, 2024.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleR>
  </ReturnData>
</Return>