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    <TaxPeriodEndDt>2024-12-31</TaxPeriodEndDt>
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      <PreparerFirmName>
        <BusinessNameLine1Txt>REGINA E RUTHVEN CPA</BusinessNameLine1Txt>
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        <AddressLine1Txt>5336 Carmilfra Dr</AddressLine1Txt>
        <CityNm>Sarasota</CityNm>
        <StateAbbreviationCd>FL</StateAbbreviationCd>
        <ZIPCd>34231</ZIPCd>
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    <TaxPeriodBeginDt>2024-01-01</TaxPeriodBeginDt>
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        <BusinessNameLine1Txt>OHIO STATE NEUROSURGICAL SOCIETY</BusinessNameLine1Txt>
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      <USAddress>
        <AddressLine1Txt>4243 HUNT RD 410</AddressLine1Txt>
        <CityNm>CINCINNATI</CityNm>
        <StateAbbreviationCd>OH</StateAbbreviationCd>
        <ZIPCd>45242</ZIPCd>
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      <PersonNm>ZOE ZHANG</PersonNm>
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      <SignatureDt>2025-03-26</SignatureDt>
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      <PreparerPersonNm>REGINA RUTHVEN</PreparerPersonNm>
      <PTIN>P01207822</PTIN>
      <PhoneNum>5133128228</PhoneNum>
      <SelfEmployedInd>X</SelfEmployedInd>
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    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
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      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>WWW.OHSNS.ORG</WebsiteAddressTxt>
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      <CostOrOtherBasisExpenseSaleAmt>0</CostOrOtherBasisExpenseSaleAmt>
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      <SpecialEventsDirectExpensesAmt>0</SpecialEventsDirectExpensesAmt>
      <CostOfGoodsSoldAmt>0</CostOfGoodsSoldAmt>
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      <OtherExpensesTotalAmt>38637</OtherExpensesTotalAmt>
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        <BOYAmt>81659</BOYAmt>
        <EOYAmt>75028</EOYAmt>
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      <PrimaryExemptPurposeTxt>TO PROMOTE AND ENCOURAGE THE ORGANIZATION AND PROFESSIONAL ASSOCIATION OF DULY LICENSED DOCTORS OF MEDICINE IN THE STATE OF OHIO WHO SPECIALIZE IN NEUROLOGICAL SURGERY; TO PROMOTE IN ALL RESPECTS OF THE MEDICAL PRACTICE, CONTINUING EDUCATION AND ADVANCEMENT OF THE DISCIPLINE OF NEUROLOGICAL SURGERY; TO PROMOTE SCIENTIFIC AND PROFESSIONAL EXCHANGE BETWEEN MEMBERS OF THIS SOCIETY; TO MAINTAIN AND STRIVE CONSTANTLY TO IMPROVE THE HIGH LEVEL OF NEUROSURGICAL CARE FOR THE PEOPLE OF THE STATE OF OHIO, TO ENCOURAGE RAPID DISSEMINATION OF KNOWLEDGE CONCERNING ADVANCES IN NEUROSURGICAL TECHNIQUES AND DIAGNOSTIC METHODS; TO PROMOTE IN ALL RESPECTS THROUGH MEETINGS, SEMINARS AND PUBLICATIONS THE PURPOSES OF THIS SOCIETY AND TO CREATE A SPECIALTY MEDICAL SOCIETY THAT CAN REPRESENT ITS MEMBERSHIP IN ALL MATTERS OF DIRECT CONCERN TO THEM. THE SOCIETY SHALL BE A NON-PROFIT ORGANIZATION.</PrimaryExemptPurposeTxt>
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        <DescriptionProgramSrvcAccomTxt>THE OHIO STATE NEUROSURGICAL SOCIETY ANNUAL MEETING 2024 - THE 2024 OHSNS ANNUAL MEETING WAS HELD ON SEPTEMBER 13-14, 2024. THE ANNUAL MEETING IS THE ONCE-A-YEAR OPPORTUNITY TO MEET AS A GROUP, LEARN, DISCUSS, DEBATE, AND NETWORK. THE OBJECTIVE OF THE EVENT IS TO HIGHLIGHT BEST CLINICAL PRACTICES IN NEUROSURGERY BY BRINGING TOGETHER LEADING EXPERTS TO DISCUSS AND DEBATE INTERESTING CASES AND PROVIDES AN OPPORTUNITY FOR RELEVANT AND IMMERSIVE DISCUSSION FOR ACADEMIC AND PRIVATE PRACTICING NEUROSURGEONS, ADVANCED PRACTICE PROVIDERS, AND THEIR HEALTH CARE TEAMS. CONTINUING MEDICAL EDUCATION (CME) CREDITS ARE ALSO OFFERED TO ATTENDEES TO HELP THEM MEET REQUIRED TRAINING HOURS. THERE WERE 87 ATTENDEES IN 2024.</DescriptionProgramSrvcAccomTxt>
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      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>ALL OTHER PROGRAM SERVICES - MEMBERSHIP PROVIDES OPPORTUNITIES FOR NEUROSURGEONS AND ADVANCED PRACTICE PROVIDERS FROM ACROSS THE STATE TO CONNECT AND COLLABORATE. IT ALSO ALLOWS MEMBERS TO DISSEMINATE MEDICAL AND POLITICAL INFORMATION OF CONCERN TO OHIO NEUROSURGEONS AND ADVANCED PRACTICE PROVIDERS.</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>1000</ProgramServiceExpensesAmt>
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      <TotalProgramServiceExpensesAmt>53810</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>J BRETT FLEMING MD</PersonNm>
        <TitleTxt>BOARD-AT-LARGE</TitleTxt>
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        <CompensationAmt>0</CompensationAmt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ZOE ZHANG</PersonNm>
        <TitleTxt>PAST PRESIDENT</TitleTxt>
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        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JODY BECKINGTON</PersonNm>
        <TitleTxt>APP Board Memb.</TitleTxt>
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        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ANDREW GROSSBACH MD</PersonNm>
        <TitleTxt>PRESIDENT ELECT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MEGAN JACK MD</PersonNm>
        <TitleTxt>Secretary</TitleTxt>
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        <CompensationAmt>0</CompensationAmt>
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        <PersonNm>JESSICA SELLAR</PersonNm>
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        <CompensationAmt>0</CompensationAmt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>BRIAN DALM MD</PersonNm>
        <TitleTxt>BOARD-AT-LARGE</TitleTxt>
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        <CompensationAmt>0</CompensationAmt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JONATHAN PINDRICK MD</PersonNm>
        <TitleTxt>BOARD-AT-LARGE</TitleTxt>
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        <CompensationAmt>0</CompensationAmt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MARK CONSTABLE FNP</PersonNm>
        <TitleTxt>APP Board Memb.</TitleTxt>
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        <CompensationAmt>0</CompensationAmt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>DALE S HORNE MD PhD</PersonNm>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JOSEPH CHENG MD</PersonNm>
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        <CompensationAmt>0</CompensationAmt>
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      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
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        <PersonNm>JESSICA SELLAR</PersonNm>
        <USAddress>
          <AddressLine1Txt>4243 HUNT ROAD - STE 410</AddressLine1Txt>
          <CityNm>CINCINNATI</CityNm>
          <StateAbbreviationCd>OH</StateAbbreviationCd>
          <ZIPCd>45242</ZIPCd>
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        <PhoneNum>5134217010</PhoneNum>
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      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
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      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Revenue.1</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER INCOME $1000</ExplanationTxt>
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        <ExplanationTxt>Office Expenses $968</ExplanationTxt>
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        <ExplanationTxt>Insurance $525</ExplanationTxt>
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        <ExplanationTxt>ANNUAL MEETING EXPENSES $36119</ExplanationTxt>
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        <FormAndLineReferenceDesc>Other Expenses.2</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERSHIP DUES $1000</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.3</FormAndLineReferenceDesc>
        <ExplanationTxt>BUSINESS REGISTRATION $25</ExplanationTxt>
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