﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2023v5.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-10-28T14:07:28+00:00</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>346565596</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>ERNST &amp; YOUNG US LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>1 MANHATTAN WEST</AddressLine1Txt>
        <CityNm>NEW YORK</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
        <ZIPCd>10001</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>113362663</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>PARK SLOPE MEDICINE PC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>PARK</BusinessNameControlTxt>
      <PhoneNum>2122975412</PhoneNum>
      <USAddress>
        <AddressLine1Txt>506 SIXTH STREET</AddressLine1Txt>
        <CityNm>BROOKLYN</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
        <ZIPCd>11215</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>STEPHEN PETERSON</PersonNm>
      <PersonTitleTxt>PRESIDENT</PersonTitleTxt>
      <SignatureDt>2024-10-28</SignatureDt>
      <DiscussWithPaidPreparerInd>false</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>NICOLE M SOKOLOWSKI</PreparerPersonNm>
      <PTIN>P01683199</PTIN>
      <PhoneNum>2127733000</PhoneNum>
      <PreparationDt>2024-10-28</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2024-10-15 13:58:12Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990EZ documentId="IRS990EZ" softwareId="23017437" softwareVersionNum="2023v5.1">
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="IRS990ScheduleA">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>0</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>0</ContributionsGiftsGrantsEtcAmt>
      <GainOrLossFromSaleOfAssetsAmt>0</GainOrLossFromSaleOfAssetsAmt>
      <SpecialEventsNetIncomeLossAmt>0</SpecialEventsNetIncomeLossAmt>
      <GrossProfitLossSlsOfInvntryAmt>0</GrossProfitLossSlsOfInvntryAmt>
      <OtherRevenueTotalAmt>0</OtherRevenueTotalAmt>
      <TotalRevenueAmt>0</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>0</GrantsAndSimilarAmountsPaidAmt>
      <OtherExpensesTotalAmt>0</OtherExpensesTotalAmt>
      <TotalExpensesAmt>0</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>0</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>10816</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>-10316</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>500</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>10816</BOYAmt>
        <EOYAmt>14340</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <LandAndBuildingsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </LandAndBuildingsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>10816</BOYAmt>
        <EOYAmt>14340</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>13840</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>10816</BOYAmt>
        <EOYAmt>500</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>PROVIDED EXCELLENT INTERNAL MEDICINE, PHYSICAL THERAPY AND NEUROLOGY HEALTH CARE SERVICES TO PATIENTS WITHOUT REGARDS TO AGE, SEX, RACE, CREED, NATIONAL ORIGIN OR DISABILITY.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>PROVIDED EXCELLENT INTERNAL MEDICINE, PHYSICAL THERAPY AND NEUROLOGY HEALTH CaRE SERVICES TO PATIENTS WITHOUT REGARDS TO AGE, SEX, RACE, CREED, NATIONAL ORIGIN OR DISABILITY.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>0</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>0</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>STEPHEN J PETERSON</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.000</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd referenceDocumentId="IRS990ScheduleN">true</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>NY</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>RICHARD EINWECHTER</BusinessNameLine1Txt>
        </BusinessName>
        <USAddress>
          <AddressLine1Txt>466 LEXINGTON AVENUE</AddressLine1Txt>
          <CityNm>NEW YORK</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10017</ZIPCd>
        </USAddress>
        <PhoneNum>2125856489</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="IRS990ScheduleA" softwareId="23017437" softwareVersionNum="2023v5.1">
      <SupportingOrganization509a3Ind>X</SupportingOrganization509a3Ind>
      <SupportingOrgType1Ind>X</SupportingOrgType1Ind>
      <SupportedOrganizationsCnt>1</SupportedOrganizationsCnt>
      <SupportedOrgInformationGrp>
        <SupportedOrganizationName>
          <BusinessNameLine1Txt>the NEW YORK AND PRESBYTERIAN HOSPITAL</BusinessNameLine1Txt>
        </SupportedOrganizationName>
        <EIN>133957095</EIN>
        <OrganizationTypeCd>3</OrganizationTypeCd>
        <GoverningDocumentListedInd>true</GoverningDocumentListedInd>
        <SupportAmt>0</SupportAmt>
        <OtherSupportAmt>0</OtherSupportAmt>
      </SupportedOrgInformationGrp>
      <SupportedOrganizationsTotalCnt>1</SupportedOrganizationsTotalCnt>
      <SupportSumAmt>0</SupportSumAmt>
      <OtherSupportSumAmt>0</OtherSupportSumAmt>
      <Form990SchASupportingOrgGrp>
        <ListedByNameGoverningDocInd>true</ListedByNameGoverningDocInd>
        <SuprtOrgNoIRSDeterminationInd>false</SuprtOrgNoIRSDeterminationInd>
        <SupportedOrgSectionC456Ind>false</SupportedOrgSectionC456Ind>
        <SupportedOrgNotOrganizedUSInd>false</SupportedOrgNotOrganizedUSInd>
        <OrganizationChangeSuprtOrgInd>false</OrganizationChangeSuprtOrgInd>
        <SupportNonSupportedOrgInd>false</SupportNonSupportedOrgInd>
        <PaymentSubstantialContribtrInd>false</PaymentSubstantialContribtrInd>
        <LoanDisqualifiedPersonInd>false</LoanDisqualifiedPersonInd>
        <ControlledDisqualifiedPrsnInd>false</ControlledDisqualifiedPrsnInd>
        <DisqualifiedPrsnControllIntInd>false</DisqualifiedPrsnControllIntInd>
        <DisqualifiedPrsnOwnrIntInd>false</DisqualifiedPrsnOwnrIntInd>
        <ExcessBusinessHoldingsRulesInd>false</ExcessBusinessHoldingsRulesInd>
        <ContributionControllerInd>false</ContributionControllerInd>
        <ContributionFamilyInd>false</ContributionFamilyInd>
        <Contribution35ControlledInd>false</Contribution35ControlledInd>
      </Form990SchASupportingOrgGrp>
      <Form990SchAType1SuprtOrgGrp>
        <PowerAppointMajorityDirTrstInd>false</PowerAppointMajorityDirTrstInd>
        <OperateBenefitNonSuprtOrgInd>false</OperateBenefitNonSuprtOrgInd>
      </Form990SchAType1SuprtOrgGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>Schedule A, Part IV, Section B, Line 1 Power to elect or appoint</FormAndLineReferenceDesc>
        <ExplanationTxt>PARK SLOPE MEDICINE, P.C. (SUPPORTING ORGANIZATION) IS A CAPTIVE PC ORGANIZED FOR THE SOLE PURPOSE OF SUPPORTING AND FURTHERING THE CHARITABLE PURPOSES OF the NEW YORK AND PRESBYTERIAN HOSPITAL (SUPPORTED ORGANIZATION) BY ENGAGING IN THE PRACTICE OF MEDICINE AS DIRECTED BY THE NEW YORK AND PRESBYTERIAN HOSPITAL. PARK SLOPE MEDICINE, P.C. AGREES TO BE BOUND BY THE TERMS OF THE CERTIFICATE OF INCORPORATION, BY-LAWS, AND SHAREHOLDER'S AGREEMENT. THERE CAN BE NO CHANGE TO THESE GOVERNING DOCUMENTS WITHOUT PRIOR WRITTEN CONSENT FROM the NEW YORK AND PRESBYTERIAN HOSPITAL.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleN documentId="IRS990ScheduleN" softwareId="23017437" softwareVersionNum="2023v5.1">
      <DispositionOfAssetsDetail>
        <AssetsDistriOrExpnssPaidDesc>CASH</AssetsDistriOrExpnssPaidDesc>
        <DistributionDt>2023-01-31</DistributionDt>
        <FairMarketValueOfAssetAmt>10316</FairMarketValueOfAssetAmt>
        <MethodOfFMVDeterminationTxt>FMV</MethodOfFMVDeterminationTxt>
        <EIN>462333282</EIN>
        <PersonNm>KINGS PHYSICIAN SERVICES PC</PersonNm>
        <USAddress>
          <AddressLine1Txt>506 SIXTH STREET</AddressLine1Txt>
          <CityNm>BROOKLYN</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>11215</ZIPCd>
        </USAddress>
        <IRCSectionTxt>501(C)(3)</IRCSectionTxt>
      </DispositionOfAssetsDetail>
      <DirectorOfSuccessor2Ind>false</DirectorOfSuccessor2Ind>
      <EmployeeOfSuccessor2Ind>false</EmployeeOfSuccessor2Ind>
      <OwnerOfSuccessor2Ind>false</OwnerOfSuccessor2Ind>
      <ReceiveCompensation2Ind>false</ReceiveCompensation2Ind>
    </IRS990ScheduleN>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="23017437" softwareVersionNum="2023v5.1">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 20 Net Assets Change</FormAndLineReferenceDesc>
        <ExplanationTxt>FUNDS TRANSFERRED TO KINGS PHYSICIANS - -10316;</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part II, Line 26b Total Liabilities</FormAndLineReferenceDesc>
        <ExplanationTxt>DUE TO RELATED ORGANIZATION - BOY:0,EOY:13840;</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part III, Exempt Purpose PRIMARY EXEMPT PURPOSE</FormAndLineReferenceDesc>
        <ExplanationTxt>PROVIDED EXCELLENT INTERNAL MEDICINE, PHYSICAL THERAPY AND NEUROLOGY HEALTH CARE SERVICES TO PATIENTS WITHOUT REGARDS TO AGE, SEX, RACE, CREED, NATIONAL ORIGIN OR DISABILITY.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>