<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2023v4.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-02-29T10:57:54-05:00</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>592921780</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>WELLS HOUSER &amp; SCHATZEL PA</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>500 94TH AVE N</AddressLine1Txt>
        <CityNm>SAINT PETERSBURG</CityNm>
        <StateAbbreviationCd>FL</StateAbbreviationCd>
        <ZIPCd>337022406</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>244091781</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>CARDIAC KIDS FOUNDATION</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>OF FLORIDA INC</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>CARD</BusinessNameControlTxt>
      <PhoneNum>8138550700</PhoneNum>
      <USAddress>
        <AddressLine1Txt>3874 TAMPA ROAD</AddressLine1Txt>
        <CityNm>OLDSMAR</CityNm>
        <StateAbbreviationCd>FL</StateAbbreviationCd>
        <ZIPCd>34677</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>SANTO CAROLLO</PersonNm>
      <PersonTitleTxt>DIRECTOR</PersonTitleTxt>
      <PhoneNum>8138550700</PhoneNum>
      <SignatureDt>2024-02-23</SignatureDt>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>SANTO</PersonFirstNm>
        <PersonLastNm>CAROLLO</PersonLastNm>
      </PersonFullName>
      <SSN>XXX-XX-XXXX</SSN>
    </SigningOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>MICHAEL L DAVIS</PreparerPersonNm>
      <PTIN>P00966247</PTIN>
      <PhoneNum>7275781040</PhoneNum>
      <PreparationDt>2024-02-23</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2023-04-26 12:10:37Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990EZ documentId="RetDoc2" referenceDocumentId="RetDoc3">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <WebsiteAddressTxt>WWW.CARDIACKIDSFL.COM</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc4">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>164664</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>164664</ContributionsGiftsGrantsEtcAmt>
      <TotalRevenueAmt>164664</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>143247</GrantsAndSimilarAmountsPaidAmt>
      <OtherExpensesTotalAmt>7809</OtherExpensesTotalAmt>
      <TotalExpensesAmt>151056</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>13608</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>110239</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>123847</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>110239</BOYAmt>
        <EOYAmt>123847</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>110239</BOYAmt>
        <EOYAmt>123847</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>110239</BOYAmt>
        <EOYAmt>123847</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>THE MISSION OF THE CARDIAC KIDS FOUNDATION IS TO PROVIDE ASSISTANCE TO FAMILIES AND THEIR CHILDREN WITH HEART DISEASE. SUPPORT IS PROVIDED IN THE FORM OF FINANCIAL ASSISTANCE TO THOSE FAMILIES WHO CANNOT AFFORD PRESCRIPTION MEDICATIONS AND RELATED TRAVEL EXPENSES FOR THE FAMILIES OF HOSPITALIZED CHILDREN. A PORTION OF OUR ASSISTANCE GOES BEYOND FINANCIAL AND INVOLVES ACTUAL SURGERIES, TRAINING, EDUCATION, AND EQUIPMENT SUPPLIED TO COMMUNITIES WHO OTHERWISE WOULD NOT HAVE THIS AVAILABLE TO THEM. FOR EXAMPLE, OUR YEARLY JAMAICAN MISSION TRIP, HEADED UP BY DR. JEFFREY JACOBS AND HIS TEAM IS CURRENTLY RESPONSIBLE FOR SAVING COUNTLESS LIVES THROUGH HIS EFFORTS. THE LARRY KING CARDIAC FOUNDATION HAS BEEN A HUGE SUPPORTER OF THESE ANNUAL TRIPS.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>THE MISSION OF THE CARDIAC KIDS FOUNDATION IS TO PROVIDE ASSISTANCE TO FAMILIES AND THEIR CHILDREN WITH HEART DISEASE. SUPPORT IS PROVIDED IN THE FORM OF FINANCIAL ASSISTANCE TO THOSE FAMILIES WHO CANNOT AFFORD PRESCRIPTION MEDICATIONS AND RELATED TRAVEL EXPENSES FOR THE FAMILIES OF HOSPITALIZED CHILDREN. A PORTION OF OUR ASSISTANCE GOES BEYOND FINANCIAL AND INVOLVES ACTUAL SURGERIES, TRAINING, EDUCATION, AND EQUIPMENT SUPPLIED TO COMMUNITIES WHO OTHERWISE WOULD NOT HAVE THIS AVAILABLE TO THEM. FOR EXAMPLE, OUR YEARLY JAMAICAN MISSION TRIP, HEADED UP BY DR. JEFFREY JACOBS AND HIS TEAM IS CURRENTLY RESPONSIBLE FOR SAVING COUNTLESS LIVES THROUGH HIS EFFORTS. THE LARRY KING CARDIAC FOUNDATION HAS BEEN A HUGE SUPPORTER OF THESE ANNUAL TRIPS.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>143247</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>151056</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>151056</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>SANTO CAROLLO</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JEFFREY P JACOBS MD</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>VANESA BAJRIC</PersonNm>
        <TitleTxt>CEO</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>LEWIS HENRY</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MARK S BLEIWEIS MD</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>GILES PEEK MD</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>FRANK SCHOLL MD</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>VINAY BADHWAR MD</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>DAVID S COOPER MD</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>DAVID VENER MD</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MARK GAYLE</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <PersonNm>SANTO CAROLLO</PersonNm>
        <USAddress>
          <AddressLine1Txt>3874 TAMPA ROAD</AddressLine1Txt>
          <CityNm>OLDSMAR</CityNm>
          <StateAbbreviationCd>FL</StateAbbreviationCd>
          <ZIPCd>34677</ZIPCd>
        </USAddress>
        <PhoneNum>8138550700</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>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc4">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>31078</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>33022</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>65212</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>5015</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>164664</CurrentTaxYearAmt>
        <TotalAmt>298991</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>31078</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>33022</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>65212</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>5015</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>164664</CurrentTaxYearAmt>
        <TotalAmt>298991</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>156080</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>142911</PublicSupportTotal170Amt>
      <TotalSupportAmt>298991</TotalSupportAmt>
      <PublicSupportCY170Pct>0.47800</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.79790</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleO documentId="RetDoc3">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 10</FormAndLineReferenceDesc>
        <ExplanationTxt>NAME: JAMAICA MISSION TRIP ADDRESS: 3874 TAMPA ROAD OLDSMAR, FL 34677 CASH CONTRIBUTION: 138,247</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSES ADVERTISING AND PROMOTION 7,600 CONFERENCES AND MEETINGS 148 STATE CORPORATE FILING 61 TOTAL 7,809</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MISSION OF THE CARDIAC KIDS FOUNDATION IS TO PROVIDE ASSISTANCE TO FAMILIES AND THEIR CHILDREN WITH HEART DISEASE. SUPPORT IS PROVIDED IN THE FORM OF FINANCIAL ASSISTANCE TO THOSE FAMILIES WHO CANNOT AFFORD PRESCRIPTION MEDICATIONS AND RELATED TRAVEL EXPENSES FOR THE FAMILIES OF HOSPITALIZED CHILDREN. A PORTION OF OUR ASSISTANCE GOES BEYOND FINANCIAL AND INVOLVES ACTUAL SURGERIES, TRAINING, EDUCATION, AND EQUIPMENT SUPPLIED TO COMMUNITIES WHO OTHERWISE WOULD NOT HAVE THIS AVAILABLE TO THEM. FOR EXAMPLE, OUR YEARLY JAMAICAN MISSION TRIP, HEADED UP BY DR. JEFFREY JACOBS AND HIS TEAM IS CURRENTLY RESPONSIBLE FOR SAVING COUNTLESS LIVES THROUGH HIS EFFORTS. THE LARRY KING CARDIAC FOUNDATION HAS BEEN A HUGE SUPPORTER OF THESE ANNUAL TRIPS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III, LINE 28</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MISSION OF THE CARDIAC KIDS FOUNDATION IS TO PROVIDE ASSISTANCE TO FAMILIES AND THEIR CHILDREN WITH HEART DISEASE. SUPPORT IS PROVIDED IN THE FORM OF FINANCIAL ASSISTANCE TO THOSE FAMILIES WHO CANNOT AFFORD PRESCRIPTION MEDICATIONS AND RELATED TRAVEL EXPENSES FOR THE FAMILIES OF HOSPITALIZED CHILDREN. A PORTION OF OUR ASSISTANCE GOES BEYOND FINANCIAL AND INVOLVES ACTUAL SURGERIES, TRAINING, EDUCATION, AND EQUIPMENT SUPPLIED TO COMMUNITIES WHO OTHERWISE WOULD NOT HAVE THIS AVAILABLE TO THEM. FOR EXAMPLE, OUR YEARLY JAMAICAN MISSION TRIP, HEADED UP BY DR. JEFFREY JACOBS AND HIS TEAM IS CURRENTLY RESPONSIBLE FOR SAVING COUNTLESS LIVES THROUGH HIS EFFORTS. THE LARRY KING CARDIAC FOUNDATION HAS BEEN A HUGE SUPPORTER OF THESE ANNUAL TRIPS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
