Civic Intelligence

Sierra Spine Society

EIN 83-0821669 • 501(c)3 • Newbury Park, CA

Profile

The specific purpose of this corporation is to form a medical society focused on education for spine surgeons.

1460 Topa View TrailNewbury Park, CA 91320

sierraspinesociety.com

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

60th percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • <$500k nonprofits • Source year 2024

Liabilities / Revenue

62nd percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • <$500k nonprofits • Source year 2024

Net Margin

69th percentile

15%

Higher net margin than 69% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2024

Top Officer Pay

81st percentile

$0

Higher top officer pay than 81% of similar nonprofits.

Top officer pay equals 0.0% of source-year revenue.

501(c)3 • <$500k nonprofits • Source year 2024

Asset Growth

86th percentile

49%

Faster asset growth than 86% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2023 to 2024

Revenue Growth

38th percentile

-15%

Faster revenue growth than 38% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / Assets60th percentile

Assets

Up

$53,491

Up $17,632 (+49%) from 2023

Liabilities

Flat

$0

Flat from 2023

Net Assets

Up

$53,491

Up $17,632 (+49%) from 2023

Operations
Liabilities / Revenue62nd percentileNet Margin69th percentile

Revenue

Down

$121,540

Down $20,860 (-15%) from 2023

Expenses

Down

$103,908

Down $39,726 (-28%) from 2023

Net Income

Up

$17,632

Up $18,866 (+1529%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth86th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$60K$40K$20K$0Assets 2019: $3,681Liabilities 2019: $0Net Assets 2019: $3,6812019Assets 2020: $12,705Liabilities 2020: $0Net Assets 2020: $12,7052020Assets 2021: $21,052Liabilities 2021: $0Net Assets 2021: $21,0522021Assets 2022: $37,093Liabilities 2022: $0Net Assets 2022: $37,0932022Assets 2023: $35,859Liabilities 2023: $0Net Assets 2023: $35,8592023Assets 2024: $53,491Liabilities 2024: $0Net Assets 2024: $53,4912024

Highlighted filing

2024

Assets$53,491
Liabilities$0
Net Assets$53,491
Open 2024 Filing

Operations Trend

Revenue Growth38th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$150K$100K$50K$0-$50KRevenue 2019: $30,124Expenses 2019: $27,706Net Income 2019: $2,4182019Revenue 2020: $52,125Expenses 2020: $43,101Net Income 2020: $9,0242020Revenue 2021: $30,086Expenses 2021: $21,739Net Income 2021: $8,3472021Revenue 2022: $100,257Expenses 2022: $84,216Net Income 2022: $16,0412022Revenue 2023: $142,400Expenses 2023: $143,634Net Income 2023: -$1,2342023Revenue 2024: $121,540Expenses 2024: $103,908Net Income 2024: $17,6322024

Highlighted filing

2024

Revenue$121,540
Expenses$103,908
Net Income$17,632
Open 2024 Filing

Filings

Most recent year

2024 • Form 990EZDetailed filing. Detailed filing data is available for this year.

Open filing
Assets
$53,491
Liabilities
$0
Net assets
$53,491
Revenue
$121,540
Expenses
$103,908
Net income
$17,632
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Detailed filing. Detailed filing data is available for this year.$0.53$0.00$0.53$1.22$1.04$0.18
2023Detailed filing. Detailed filing data is available for this year.$0.36$0.00$0.36$1.42$1.44$0.01
2022Detailed filing. Detailed filing data is available for this year.$0.37$0.00$0.37$1.00$0.84$0.16
2021Detailed filing. Detailed filing data is available for this year.$0.21$0.00$0.21$0.30$0.22$0.08
2020Detailed filing. Detailed filing data is available for this year.$0.13$0.00$0.13$0.52$0.43$0.09
2019Detailed filing. Detailed filing data is available for this year.$0.04$0.00$0.04$0.30$0.28$0.02
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
Oct 29, 2025
Return Version
2024v5.2
Gross Receipts
$121,540
Mission and Program Overview

Mission

The specific purpose of this corporation is to form a medical society focused on education for spine surgeons.

Program Services

DescriptionGrantsExpenses
ANNUAL MULTIDISCIPLINARY SYMPOSIUM TO IMPROVE THE FUND OF KNOWLEDGE AND TO INCREASE COMPETENCE IN MANAGING PATIENTS WITH SPINAL DISORDERS. THE COMPREHENSIVE COURSE IS OPEN TO SPINE SURGEONS, PAIN MANAGEMENT SPECIALISTS, AND INCLUDES CASE-BASED DISCUSSIONS FOCUSED ON CARE FOR SPINE PATIENTS.$0$99,269
Compensation and Service Providers
Top Officer Pay81st percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
MICHAEL DORSIPresident-$0--
Filing and Contact Details

Filer

Filer Name
Sierra Spine Society
EIN
83-0821669
Phone
8056432179
Address
1460 TOPA VIEW TRAIL, NEWBURY PARK, CA 91320

Signing Officer

Name
Michael Dorsi
Title
President
Phone
8056432179
Signed
2025-10-29
Discuss with paid preparer
Yes

Preparer

Firm
Nasif Hicks Harris & Co Llp
Address
104 WEST ANAPAMU ST STE B, SANTA BARBARA, CA 93101
Preparer
Joe Bishop
Phone
8059661521
Supplemental Narrative

Additional Explanations

Form 990-ez, Part I, Line 16 - Other Expenses

“Description: bank fees. Amount: 284. Description: apparel. Amount: 7,394. Description: annual symposium expenses. Amount: 76,791. Description: website. Amount: 350. Description: software/computers. Amount: 1,146. Description: travel expenses. Amount: 15,084. Description: supplies. Amount: 151. Description: filing fees. Amount: 170. Total to form 990-ez, line 16: 101,370.”

Form 990-ez, Part II, Line 24 - Other Assets

“Description: due from dorsi, inc. Beg. Of year amount: 0. End of year amount: 1,108.”

Raw XML Appendix143 raw XML fields

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/ActivitiesNotPreviouslyRptInd00
IRS990EZ/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt0SIERRA SPINE SOCIETY
IRS990EZ/BooksInCareOfDetail/PhoneNum08056432179
IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt01460 TOPA VIEW TRAIL
IRS990EZ/BooksInCareOfDetail/USAddress/CityNm0THOUSAND OAKS
IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd0CA
IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd091320
IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt035859
IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt052383
IRS990EZ/ChgMadeToOrgnzngDocNotRptInd00
IRS990EZ/ContributionsGiftsGrantsEtcAmt099838
IRS990EZ/DirectIndirectPltclExpendAmt00
IRS990EZ/DonorAdvisedFndsInd00
IRS990EZ/EngagedInExcessBenefitTransInd00
IRS990EZ/ExcessOrDeficitForYearAmt017632
IRS990EZ/FeesAndOtherPymtToIndCntrctAmt02538
IRS990EZ/FiledScheduleAInd01
IRS990EZ/ForeignFinancialAccountInd00
IRS990EZ/ForeignOfficeInd00
IRS990EZ/Form990TotalAssetsGrp/BOYAmt035859
IRS990EZ/Form990TotalAssetsGrp/EOYAmt053491
IRS990EZ/GrossReceiptsAmt0121540
IRS990EZ/InfoInScheduleOPartIIIInd0X
IRS990EZ/InfoInScheduleOPartIIInd0X
IRS990EZ/InfoInScheduleOPartIInd0X
IRS990EZ/InfoInScheduleOPartVInd0X
IRS990EZ/LobbyingActivitiesInd00
IRS990EZ/MadeLoansToFromOfficersInd00
IRS990EZ/MethodOfAccountingCashInd0X
IRS990EZ/NetAssetsOrFundBalancesBOYAmt035859
IRS990EZ/NetAssetsOrFundBalancesEOYAmt053491
IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt035859
IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt053491
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt02.00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm0MICHAEL DORSI
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt0PRESIDENT
IRS990EZ/OperateHospitalInd00
IRS990EZ/Organization501c3Ind0X
IRS990EZ/OrganizationDissolvedEtcInd00
IRS990EZ/OrganizationHadUBIInd00
IRS990EZ/OtherAssetsTotalDetail/BOYAmt00
IRS990EZ/OtherAssetsTotalDetail/EOYAmt01108
IRS990EZ/OtherChangesInNetAssetsAmt00
IRS990EZ/OtherExpensesTotalAmt0101370
IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt0NONE
IRS990EZ/PartVIOfCompOfHghstPdEmplTxt0NONE
IRS990EZ/PoliticalCampaignActyInd00
IRS990EZ/PrimaryExemptPurposeTxt0THE SPECIFIC PURPOSE OF THIS CORPORATION IS TO FORM A MEDICAL SOCIETY FOCUSED ON EDUCATION FOR SPINE SURGEONS.
IRS990EZ/ProgramServiceRevenueAmt021702
IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt0ANNUAL MULTIDISCIPLINARY SYMPOSIUM TO IMPROVE THE FUND OF KNOWLEDGE AND TO INCREASE COMPETENCE IN MANAGING PATIENTS WITH SPINAL DISORDERS. THE COMPREHENSIVE COURSE IS OPEN TO SPINE SURGEONS, PAIN MANAGEMENT SPECIALISTS, AND INCLUDES CASE-BASED DISCUSSIONS FOCUSED ON CARE FOR SPINE PATIENTS.
IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt00
IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt099269
IRS990EZ/ProhibitedTaxShelterTransInd00
IRS990EZ/RelatedOrganizationCtrlEntInd00
IRS990EZ/SchoolOperatingInd00
IRS990EZ/StatesWhereCopyOfReturnIsFldCd0CA
IRS990EZ/SubjectToProxyTaxInd00
IRS990EZ/SumOfTotalLiabilitiesGrp/BOYAmt00
IRS990EZ/SumOfTotalLiabilitiesGrp/EOYAmt00
IRS990EZ/TanningServicesProvidedInd00
IRS990EZ/TaxImposedOnOrganizationMgrAmt00
IRS990EZ/TaxImposedUnderIRC4911Amt00
IRS990EZ/TaxImposedUnderIRC4912Amt00
IRS990EZ/TaxImposedUnderIRC4955Amt00
IRS990EZ/TaxReimbursedByOrganizationAmt00
IRS990EZ/TotalExpensesAmt0103908
IRS990EZ/TotalProgramServiceExpensesAmt099269
IRS990EZ/TotalRevenueAmt0121540
IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd00
IRS990EZ/TypeOfOrganizationCorpInd0X
IRS990EZ/WebsiteAddressTxt0SIERRASPINESOCIETY.COM
IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt00
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt0121540
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt0142400
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt0100256
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt010260
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt012150
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt0386606
IRS990ScheduleA/InvestmentIncomeCYPct00.00000
IRS990ScheduleA/PubliclySupportedOrg509a2Ind0X
IRS990ScheduleA/PublicSupportCY509Pct01.00000
IRS990ScheduleA/PublicSupportPY509Pct01.00000
IRS990ScheduleA/PublicSupportTotal509Amt0386606
IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt00
IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt00
IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind0X
IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt0121540
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt0142400
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt0100256
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt010260
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt012150
IRS990ScheduleA/Total509Grp/TotalAmt0386606
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt0121540
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt0142400
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt0100256
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt010260
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt012150
IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt0386606
IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorNum0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine20RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt0RESTRICTED
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0DESCRIPTION: BANK FEES. AMOUNT: 284. DESCRIPTION: APPAREL. AMOUNT: 7,394. DESCRIPTION: ANNUAL SYMPOSIUM EXPENSES. AMOUNT: 76,791. DESCRIPTION: WEBSITE. AMOUNT: 350. DESCRIPTION: SOFTWARE/COMPUTERS. AMOUNT: 1,146. DESCRIPTION: TRAVEL EXPENSES. AMOUNT: 15,084. DESCRIPTION: SUPPLIES. AMOUNT: 151. DESCRIPTION: FILING FEES. AMOUNT: 170. TOTAL TO FORM 990-EZ, LINE 16: 101,370.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1DESCRIPTION: DUE FROM DORSI, INC. BEG. OF YEAR AMOUNT: 0. END OF YEAR AMOUNT: 1,108.
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0FORM 990-EZ, PART I, LINE 16 - OTHER EXPENSES
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1FORM 990-EZ, PART II, LINE 24 - OTHER ASSETS
TransferPrsnlBnftContractsDecl/DeclarationDesc0THE ORGANIZATION DID NOT, DURING THE YEAR, RECEIVE ANY FUNDS, DIRECTLY,OR INDIRECTLY, TO PAY PREMIUMS ON A PERSONAL BENEFIT CONTRACT.THE ORGANIZATION, DID NOT, DURING THE YEAR, PAY ANY PREMIUMS, DIRECTLY,OR INDIRECTLY, ON A PERSONAL BENEFIT CONTRACT.
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd01
ReturnHeader/BusinessOfficerGrp/PersonNm0MICHAEL DORSI
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0PRESIDENT
ReturnHeader/BusinessOfficerGrp/PhoneNum08056432179
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-10-29
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0SIERRA SPINE SOCIETY
ReturnHeader/Filer/BusinessNameControlTxt0SIER
ReturnHeader/Filer/EIN0830821669
ReturnHeader/Filer/PhoneNum08056432179
ReturnHeader/Filer/USAddress/AddressLine1Txt01460 TOPA VIEW TRAIL
ReturnHeader/Filer/USAddress/CityNm0NEWBURY PARK
ReturnHeader/Filer/USAddress/StateAbbreviationCd0CA
ReturnHeader/Filer/USAddress/ZIPCd091320
ReturnHeader/IRSResponsiblePrtyInfoCurrInd01
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN0770181453
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt0NASIF HICKS HARRIS & CO LLP
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt0104 WEST ANAPAMU ST STE B
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm0SANTA BARBARA
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd0CA
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd093101
ReturnHeader/PreparerPersonGrp/PhoneNum08059661521
ReturnHeader/PreparerPersonGrp/PreparerPersonNm0JOE BISHOP
ReturnHeader/PreparerPersonGrp/SelfEmployedInd0X
ReturnHeader/ReturnTs02025-11-03T13:42:35-06:00
ReturnHeader/ReturnTypeCd0990EZ
ReturnHeader/TaxPeriodBeginDt02024-01-01
ReturnHeader/TaxPeriodEndDt02024-12-31
ReturnHeader/TaxYr02024

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