Liabilities / Assets
72nd percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 92-1345276 • 501(c)3 • Belvedere, CA
Profile
Non-for profit Medical research organization to advance understanding spine care
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
72nd percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
72nd percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
90th percentile
Higher net margin than 90% of similar nonprofits.
Top Officer Pay
92nd percentile
Higher top officer pay than 92% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
91st percentile
Faster asset growth than 91% of similar nonprofits.
Revenue Growth
64th percentile
Faster revenue growth than 64% of similar nonprofits.
Assets
Up$208,937
Up $128,193 (+159%) from 2023
Liabilities
Flat$0
Flat from 2023
Net Assets
Up$208,937
Up $128,193 (+159%) from 2023
Revenue
Up$151,015
Up $21,635 (+17%) from 2023
Expenses
Down$22,822
Down $25,814 (-53%) from 2023
Net Income
Up$128,193
Up $47,449 (+59%) from 2023
Most recent year
2024 • Form 990EZDetailed filing. Detailed filing data is available for this year.
Non-for profit Medical research organization to advance understanding spine care
| Description | Grants | Expenses |
|---|---|---|
| The Comprehensive Spine Study Group (CSSG) is a group of highly trained spine surgeons dedicated to answering questions and forming solutions for the advancement of spine surgery and the treatment of spinal conditions. We are committed to leveraging big data to change the paradigm of how clinical research is being performed and generating the highest quality published research on spine surgery. | $0 | $20,280 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Joseph Osorio | President | PT | $0 | - | - |
| Lee Tan | Treasure | PT | $0 | - | - |
| Jun Kim | Secretary | PT | $0 | - | - |
“0”
“none”
“none”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990EZ/ActivitiesNotPreviouslyRptInd | 0 | 0 |
| IRS990EZ/BenefitsPaidToOrForMembersAmt | 0 | 0 |
| IRS990EZ/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | CSSG |
| IRS990EZ/BooksInCareOfDetail/PhoneNum | 0 | 4192368831 |
| IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 303 Belvedere Ave |
| IRS990EZ/BooksInCareOfDetail/USAddress/CityNm | 0 | Belvedere |
| IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 94920 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt | 0 | 80744 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt | 0 | 208937 |
| IRS990EZ/ChgMadeToOrgnzngDocNotRptInd | 0 | 0 |
| IRS990EZ/ContributionsGiftsGrantsEtcAmt | 0 | 151000 |
| IRS990EZ/CostOfGoodsSoldAmt | 0 | 0 |
| IRS990EZ/CostOrOtherBasisExpenseSaleAmt | 0 | 0 |
| IRS990EZ/DirectIndirectPltclExpendAmt | 0 | 0 |
| IRS990EZ/DonorAdvisedFndsInd | 0 | 0 |
| IRS990EZ/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990EZ/ExcessOrDeficitForYearAmt | 0 | 128193 |
| IRS990EZ/FeesAndOtherPymtToIndCntrctAmt | 0 | 5392 |
| IRS990EZ/FiledScheduleAInd | 0 | 1 |
| IRS990EZ/ForeignFinancialAccountInd | 0 | 0 |
| IRS990EZ/ForeignOfficeInd | 0 | 0 |
| IRS990EZ/Form1120PolFiledInd | 0 | 0 |
| IRS990EZ/Form990TotalAssetsGrp/BOYAmt | 0 | 80744 |
| IRS990EZ/Form990TotalAssetsGrp/EOYAmt | 0 | 208937 |
| IRS990EZ/FundraisingGrossIncomeAmt | 0 | 0 |
| IRS990EZ/GainOrLossFromSaleOfAssetsAmt | 0 | 0 |
| IRS990EZ/GamingGrossIncomeAmt | 0 | 0 |
| IRS990EZ/GrantsAndSimilarAmountsPaidAmt | 0 | 0 |
| IRS990EZ/GrossProfitLossSlsOfInvntryAmt | 0 | 0 |
| IRS990EZ/GrossReceiptsAmt | 0 | 151015 |
| IRS990EZ/GrossSalesOfInventoryAmt | 0 | 0 |
| IRS990EZ/InfoInScheduleOPartIIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIInd | 0 | X |
| IRS990EZ/InvestmentIncomeAmt | 0 | 15 |
| IRS990EZ/LandAndBuildingsGrp/BOYAmt | 0 | 0 |
| IRS990EZ/LandAndBuildingsGrp/EOYAmt | 0 | 0 |
| IRS990EZ/LobbyingActivitiesInd | 0 | 0 |
| IRS990EZ/MadeLoansToFromOfficersInd | 0 | 0 |
| IRS990EZ/MembershipDuesAmt | 0 | 0 |
| IRS990EZ/MethodOfAccountingCashInd | 0 | X |
| IRS990EZ/NetAssetsOrFundBalancesBOYAmt | 0 | 80744 |
| IRS990EZ/NetAssetsOrFundBalancesEOYAmt | 0 | 208937 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt | 0 | 80744 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt | 0 | 208937 |
| IRS990EZ/OccupancyRentUtltsAndMaintAmt | 0 | 17430 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 10 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 10 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 2 | 10 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 0 | Joseph Osorio |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 1 | Lee Tan |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 2 | Jun Kim |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 0 | President |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 1 | Treasure |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 2 | Secretary |
| IRS990EZ/OperateHospitalInd | 0 | 0 |
| IRS990EZ/Organization501c3Ind | 0 | X |
| IRS990EZ/OrganizationDissolvedEtcInd | 0 | 0 |
| IRS990EZ/OrganizationHadUBIInd | 0 | 0 |
| IRS990EZ/OtherAssetsTotalDetail/BOYAmt | 0 | 0 |
| IRS990EZ/OtherAssetsTotalDetail/EOYAmt | 0 | 0 |
| IRS990EZ/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990EZ/OtherExpensesTotalAmt | 0 | 0 |
| IRS990EZ/OtherRevenueTotalAmt | 0 | 0 |
| IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt | 0 | NONE |
| IRS990EZ/PartVIOfCompOfHghstPdEmplTxt | 0 | NONE |
| IRS990EZ/PoliticalCampaignActyInd | 0 | 0 |
| IRS990EZ/PrimaryExemptPurposeTxt | 0 | Non-for profit Medical research organization to advance understanding spine care |
| IRS990EZ/PrintingPublicationsPostageAmt | 0 | 0 |
| IRS990EZ/ProgramServiceRevenueAmt | 0 | 0 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 0 | The Comprehensive Spine Study Group (CSSG) is a group of highly trained spine surgeons dedicated to answering questions and forming solutions for the advancement of spine surgery and the treatment of spinal conditions. We are committed to leveraging big data to change the paradigm of how clinical research is being performed and generating the highest quality published research on spine surgery. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt | 0 | 0 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 0 | 20280 |
| IRS990EZ/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990EZ/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990EZ/SalariesOtherCompEmplBnftAmt | 0 | 0 |
| IRS990EZ/SaleOfAssetsGrossAmt | 0 | 0 |
| IRS990EZ/SchoolOperatingInd | 0 | 0 |
| IRS990EZ/SpecialEventsDirectExpensesAmt | 0 | 0 |
| IRS990EZ/SpecialEventsNetIncomeLossAmt | 0 | 0 |
| IRS990EZ/StatesWhereCopyOfReturnIsFldCd | 0 | CA |
| IRS990EZ/StatesWhereCopyOfReturnIsFldCd | 1 | MO |
| IRS990EZ/SubjectToProxyTaxInd | 0 | 0 |
| IRS990EZ/SumOfTotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990EZ/SumOfTotalLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990EZ/TanningServicesProvidedInd | 0 | 0 |
| IRS990EZ/TaxImposedOnOrganizationMgrAmt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4911Amt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4912Amt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4955Amt | 0 | 0 |
| IRS990EZ/TaxReimbursedByOrganizationAmt | 0 | 0 |
| IRS990EZ/TotalExpensesAmt | 0 | 22822 |
| IRS990EZ/TotalProgramServiceExpensesAmt | 0 | 20280 |
| IRS990EZ/TotalRevenueAmt | 0 | 151015 |
| IRS990EZ/TransactionWithControlEntInd | 0 | 0 |
| IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd | 0 | 0 |
| IRS990EZ/TypeOfOrganizationCorpInd | 0 | X |
| IRS990EZ/WebsiteAddressTxt | 0 | http://spinecssg.org |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt | 0 | Medtronic Grant $151000 |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt | 1 | Interest $14.90 |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc | 0 | Schedule A, Part II, Line 1 |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc | 1 | Schedule A, Part II, Line 8 |
| IRS990ScheduleA/HospitalNameAndAddressGrp/CityNm | 0 | San Francisco |
| IRS990ScheduleA/HospitalNameAndAddressGrp/CityNm | 1 | San Diego |
| IRS990ScheduleA/HospitalNameAndAddressGrp/CityNm | 2 | New York |
| IRS990ScheduleA/HospitalNameAndAddressGrp/StateAbbreviationCd | 0 | CA |
| IRS990ScheduleA/HospitalNameAndAddressGrp/StateAbbreviationCd | 1 | CA |
| IRS990ScheduleA/HospitalNameAndAddressGrp/StateAbbreviationCd | 2 | NY |
| IRS990ScheduleA/HospitalNameAndAddressGrp/SupportedOrganizationName/BusinessNameLine1Txt | 0 | UCSF |
| IRS990ScheduleA/HospitalNameAndAddressGrp/SupportedOrganizationName/BusinessNameLine1Txt | 1 | UCSD |
| IRS990ScheduleA/HospitalNameAndAddressGrp/SupportedOrganizationName/BusinessNameLine1Txt | 2 | Mount Sinai |
| IRS990ScheduleA/MedicalResearchOrganizationInd | 0 | X |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | 0 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | none |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | none |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990-EZ, Part I, Line 20 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Form 990-EZ, Part II, Line 24 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Form 990-EZ, Part II, Line 26 |
| ReasonableCauseExplanation/ExplanationTxt | 0 | Pacific time zone, tax was filed in CA before midnight on 5/15/2025 |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | Lee Tan |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | Treasure |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 4192368831 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-05-15 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | COMPREHENSIVE SPINE STUDY GROUP |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | COMP |
| ReturnHeader/Filer/EIN | 0 | 921345276 |
| ReturnHeader/Filer/PhoneNum | 0 | 4192368831 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 303 Belvedere Ave |
| ReturnHeader/Filer/USAddress/CityNm | 0 | Belvedere |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | CA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 94920 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | 1 |
| ReturnHeader/ReturnTs | 0 | 2025-05-16T02:33:16-07:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2024-12-31 |
| ReturnHeader/TaxYr | 0 | 2024 |
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