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        <link:definition>9955514 - Disclosure - Intangible Assets (Tables)</link:definition>
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        <link:definition>9955518 - Disclosure - Segment Reporting (Tables)</link:definition>
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        <link:definition>9955523 - Disclosure - Going Concern and Liquidity (Details)</link:definition>
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        <link:definition>9955524 - Disclosure - Significant Accounting Policies - Consolidation, Cash and Restricted Cash (Details)</link:definition>
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        <link:definition>9955531 - Disclosure - Fair Value Measurements and Hierarchy - Fair value Hierarchy for Financial Liabilities (Details)</link:definition>
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        <link:definition>9955533 - Disclosure - Fair Value Measurements and Hierarchy - Changes in Fair Value (Details)</link:definition>
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        <link:definition>9955534 - Disclosure - Intangible Assets - Schedule of Intangible Assets (Details)</link:definition>
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  <xs:element id="piii_PublicWarrantsMember" abstract="true" name="PublicWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_PreFundedWarrantsMember" abstract="true" name="PreFundedWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_MedcoreHealthPlanIncAndOmniIpaMedicalGroupIncMember" abstract="true" name="MedcoreHealthPlanIncAndOmniIpaMedicalGroupIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_IntangibleAssetsDisclosureAbstract" abstract="true" name="IntangibleAssetsDisclosureAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="piii_MedicalLicensesMember" abstract="true" name="MedicalLicensesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_ProviderContractsMember" abstract="true" name="ProviderContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_RepurchasePromissoryNoteDueJune2026Member" abstract="true" name="RepurchasePromissoryNoteDueJune2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_TermLoanDueDecember2025Member" abstract="true" name="TermLoanDueDecember2025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_VGSPromissoryNoteMember" abstract="true" name="VGSPromissoryNoteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_VGS2PromissoryNoteMember" abstract="true" name="VGS2PromissoryNoteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_VGS3PromissoryNoteMember" abstract="true" name="VGS3PromissoryNoteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_VGS4PromissoryNoteMember" abstract="true" name="VGS4PromissoryNoteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_VGS5PromissoryNoteMember" abstract="true" name="VGS5PromissoryNoteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_PreFundedWarrantsMemberMember" abstract="true" name="PreFundedWarrantsMemberMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_BalanceDueAtMaturity" abstract="false" name="BalanceDueAtMaturity" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="piii_SecurityAgreementLendersCollateralPercentageOfPledgedStockItsSubsidiariesAndBankAccounts" abstract="false" name="SecurityAgreementLendersCollateralPercentageOfPledgedStockItsSubsidiariesAndBankAccounts" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="piii_PaidInCashInterestRate" abstract="false" name="PaidInCashInterestRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="piii_DebtInstrumentCovenantComplianceMinimumLiquidity" abstract="false" name="DebtInstrumentCovenantComplianceMinimumLiquidity" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="piii_DebtInstrumentCovenantComplianceMinimumRevenue" abstract="false" name="DebtInstrumentCovenantComplianceMinimumRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="piii_RefinancingOfVGSPromissoryNoteMember" abstract="true" name="RefinancingOfVGSPromissoryNoteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_PeriodAxisAxis" abstract="true" name="PeriodAxisAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="piii_PeriodAxisDomain" abstract="true" name="PeriodAxisDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_PeriodFourMember" abstract="true" name="PeriodFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_PeriodThreeMember" abstract="true" name="PeriodThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_PeriodOneMember" abstract="true" name="PeriodOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_PeriodTwoMember" abstract="true" name="PeriodTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_VGS3UnsecuredPromissoryNoteMember" abstract="true" name="VGS3UnsecuredPromissoryNoteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_VGS4UnsecuredPromissoryNoteMember" abstract="true" name="VGS4UnsecuredPromissoryNoteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_TermLoanFacilityMember" abstract="true" name="TermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_TrancheAxis" abstract="true" name="TrancheAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="piii_TrancheDomain" abstract="true" name="TrancheDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_DebtFirstTrancheMember" abstract="true" name="DebtFirstTrancheMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_DebtSecondTrancheMember" abstract="true" name="DebtSecondTrancheMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_TrancheThreeMember" abstract="true" name="TrancheThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_DebtThirdTrancheMember" abstract="true" name="DebtThirdTrancheMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_DebtOptionAxis" abstract="true" name="DebtOptionAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="piii_DebtOptionDomain" abstract="true" name="DebtOptionDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_OptionOneMember" abstract="true" name="OptionOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_OptionTwoMember" abstract="true" name="OptionTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_VBC3GrowthSPVLLCMember" abstract="true" name="VBC3GrowthSPVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_DebtInstrumentUpfrontFee" abstract="false" name="DebtInstrumentUpfrontFee" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="piii_PaidInKindInterestRate" abstract="false" name="PaidInKindInterestRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="piii_DebtInstrumentPercentageOfBackEndFee" abstract="false" name="DebtInstrumentPercentageOfBackEndFee" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="piii_DebtInstrumentBackEndFee" abstract="false" name="DebtInstrumentBackEndFee" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="piii_DebtInstrumentBackEndFeePeriodicPaymentAmount" abstract="false" name="DebtInstrumentBackEndFeePeriodicPaymentAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="piii_DebtInstrumentCashPortionOfInterest" abstract="false" name="DebtInstrumentCashPortionOfInterest" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="piii_DebtInstrumentPaymentInKind" abstract="false" name="DebtInstrumentPaymentInKind" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="piii_EquityClassifiedWarrantsMember" abstract="true" name="EquityClassifiedWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_LiabilityClassifiedWarrantsMember" abstract="true" name="LiabilityClassifiedWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_IncrementalCommonSharesAttributableToDilutiveEffectOfConversionOfCommonStockStock" abstract="false" name="IncrementalCommonSharesAttributableToDilutiveEffectOfConversionOfCommonStockStock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="piii_P3HealthGroupLlcMember" abstract="true" name="P3HealthGroupLlcMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_NonControllingInterestHoldersMember" abstract="true" name="NonControllingInterestHoldersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_P3HealthPartnersInc.Member" abstract="true" name="P3HealthPartnersInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_IncentiveAwardPlan2021Member" abstract="true" name="IncentiveAwardPlan2021Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_RedeemableNoncontrollingInterestEquityFairValueRemeasurementAdjustment" abstract="false" name="RedeemableNoncontrollingInterestEquityFairValueRemeasurementAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="piii_CommonUnitsExchangedOrRedeemedInPeriod" abstract="false" name="CommonUnitsExchangedOrRedeemedInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="piii_RatioOfCommonUnitsOwnedAndClassCommonStock" abstract="false" name="RatioOfCommonUnitsOwnedAndClassCommonStock" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="piii_CumulativeFairValueAdjustRedeemableNnControllingInterest" abstract="false" name="CumulativeFairValueAdjustRedeemableNnControllingInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="piii_SingleReportableSegmentMember" abstract="true" name="SingleReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_OtherMedicalExpenses" abstract="false" name="OtherMedicalExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="piii_NumberOfOptionsToRenew" abstract="false" name="NumberOfOptionsToRenew" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="piii_ManagementServiceFeePercent" abstract="false" name="ManagementServiceFeePercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="piii_P3CommonwealthInnovationMSOLLCMember" abstract="true" name="P3CommonwealthInnovationMSOLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_ClinicFeesInsuranceAndOtherReceivableCurrent" abstract="false" name="ClinicFeesInsuranceAndOtherReceivableCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="piii_AtrioMember" abstract="true" name="AtrioMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_AllymarHealthSolutionsMember" abstract="true" name="AllymarHealthSolutionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_NevadaBehavioralHealthSystemsMember" abstract="true" name="NevadaBehavioralHealthSystemsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_AndersonFamilyLLCMember" abstract="true" name="AndersonFamilyLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_VGSPromissoryNoteWarrantsMember" abstract="true" name="VGSPromissoryNoteWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_ClassOfWarrantOrRightIssued" abstract="false" name="ClassOfWarrantOrRightIssued" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="piii_MedicalExpensesRecoveries" abstract="false" name="MedicalExpensesRecoveries" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="piii_VbcGrowthSpvLlcMember" abstract="true" name="VbcGrowthSpvLlcMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_RelatedPartyNumberOfEntityDirectorsHoldingEquityInRelatedParty" abstract="false" name="RelatedPartyNumberOfEntityDirectorsHoldingEquityInRelatedParty" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="piii_IncomeTaxTable" abstract="true" name="IncomeTaxTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="piii_ExpirationPeriodAxis" abstract="true" name="ExpirationPeriodAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="piii_ExpirationPeriodDomain" abstract="true" name="ExpirationPeriodDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_PeriodFiveMember" abstract="true" name="PeriodFiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_PeriodSixMember" abstract="true" name="PeriodSixMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_TaxReceivableAgreementWithSellingEquityHoldersOfP3LlcMember" abstract="true" name="TaxReceivableAgreementWithSellingEquityHoldersOfP3LlcMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_P3LlcMember" abstract="true" name="P3LlcMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_IncomeTaxLineItems" abstract="true" name="IncomeTaxLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="piii_PaymentOfTaxSavingsRealizedPercentage" abstract="false" name="PaymentOfTaxSavingsRealizedPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="piii_RetainedPercentageOfCashSavings" abstract="false" name="RetainedPercentageOfCashSavings" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="piii_TaxReceivableAgreementLiability" abstract="false" name="TaxReceivableAgreementLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="piii_IncreaseDecreaseInUncertainTaxPositions" abstract="false" name="IncreaseDecreaseInUncertainTaxPositions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="piii_WithholdingTaxesPaidMember" abstract="true" name="WithholdingTaxesPaidMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_PreferredStockExchangeAgreementMember" abstract="true" name="PreferredStockExchangeAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_CumulativePreferredStockSeriesAMember" abstract="true" name="CumulativePreferredStockSeriesAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_CumulativePreferredStockSeriesBMember" abstract="true" name="CumulativePreferredStockSeriesBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_CumulativePreferredStockSeriesCMember" abstract="true" name="CumulativePreferredStockSeriesCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_CumulativePreferredStockSeriesDMember" abstract="true" name="CumulativePreferredStockSeriesDMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_P3HealthPartnersREACHACOLLCMember" abstract="true" name="P3HealthPartnersREACHACOLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_CommonwealthPrimaryCareACOLLCMember" abstract="true" name="CommonwealthPrimaryCareACOLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_PurchaseAgreementMember" abstract="true" name="PurchaseAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="piii_SaleOfStockValueOfSharesAuthorizedForIssuance" abstract="false" name="SaleOfStockValueOfSharesAuthorizedForIssuance" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="piii_PreferredStockConversionRate" abstract="false" name="PreferredStockConversionRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="piii_SaleOfStockValueOfRemainingSharesAuthorizedForIssuance" abstract="false" name="SaleOfStockValueOfRemainingSharesAuthorizedForIssuance" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="piii_MinimumOwnershipRequirementToDesignateIndependentDesegnee" abstract="false" name="MinimumOwnershipRequirementToDesignateIndependentDesegnee" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="piii_MaximumOwnershipPercentage" abstract="false" name="MaximumOwnershipPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
</xs:schema>
