Personalized Spine Study Group

EIN 85-3597652 • Aurora, CO

12631 E 17th Ave Mail Stop B202Aurora, CO 80045

Siviq Scores

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

0.00x

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

<$500k nonprofits • Source year 2024

No value available

Liabilities-to-revenue requires both liabilities and revenue on the latest valid filing.

Source year 2024

No value available

Net margin requires both revenue and expenses on the latest valid filing.

Source year 2024

Higher top officer pay than 84% of similar nonprofits.

<$500k nonprofits • Source year 2022

-11%

Faster asset growth than 37% of similar nonprofits.

<$500k nonprofits • Annualized from 2023 to 2024

-100%

Faster revenue growth than 4% of similar nonprofits.

<$500k nonprofits • Annualized from 2023 to 2024

Balance Sheet

Liabilities / Assets61st percentile

Assets

Down

$209,081

Down $25,496 (-11%) from 2023

Liabilities

Down

Down $1 (-100%) from 2023

Net Assets

$209,081

No earlier filing loaded for comparison.

Operations

Liabilities / RevenueScore unavailable Net MarginScore unavailable

Revenue

Down

Down $1 (-100%) from 2023

Expenses

Down

$25,496

Down $22,035 (-46%) from 2023

Net Income

-$25,496

Up $22,034 (+46%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth37th percentile

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

Highlighted filing

2024

Assets$209,081

Liabilities$0

Net Assets$209,081

Open 2024 Filing

Operations Trend

Revenue Growth4th percentile

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

Highlighted filing

2024

Revenue$0

Expenses$25,496

Net Income-$25,496

Open 2024 Filing

Filings

Most recent year

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

Open filing

Assets: $209,081
Liabilities: $0
Net assets: $209,081
Revenue: $0
Expenses: $25,496
Net income: -$25,496

	Balance Sheet			Operations
Year	Assets	Liabilities	Net Assets	Revenue	Expenses	Net Income
2024Detailed filing. Detailed filing data is available for this year.	$2.09	$0.00	$2.09	$0.00	$0.25	$0.25
2023Summary only. Only limited summary data is available for this year.	$2.35	$0.00		$0.00	$0.48	$0.48
2022Detailed filing. Detailed filing data is available for this year.	$2.82	$0.00	$2.82	$0.00	$0.28	$0.28
2021XML pending. An XML filing is linked for this year, but detailed extraction is still pending.	$3.10	$0.00	$3.10	$3.56	$0.46	$3.10

Latest Filing Detail

Jump To

Filing Snapshot

Filing Period: Jan 1, 2024 to Dec 31, 2024
Signed: Nov 5, 2025
Return Version: 2024v5.2

Compensation and Service Providers

Top Officer Pay84th percentile

Employees

Name	Title	Full / Part Time	Base	Other	Total
CHRISTOPHER KLECK	Director And President	-	$0	-	-
EVALINA BURGER	Director	-	$0	-	-
PETER PASSIAS	Director And Secretary	-	$0	-	-
DENNIS DEVITO	Director And Treasurer	-	$0	-	-
AFSHIN AMINIAN	Director	-	$0	-	-
ANDREW KING	Director	-	$0	-	-

Filing and Contact Details

Filer

Filer Name: Personalized Spine Study Group
EIN: 85-3597652
Phone: 3032416817
Address: 12631 E 17TH AVE MAIL STOP B202, AURORA, CO 80045

Signing Officer

Name: Christopher Kleck Md
Title: President
Phone: 3032416817
Signed: 2025-11-05
Discuss with paid preparer: Yes

Preparer

Firm: Taft Stettinius & Hollister Llp
Address: 675 15TH STREET SUITE 2300, DENVER, CO 80202
Preparer: Kathleen M Johnson
Phone: 3032972900

Raw XML Appendix299 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.

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IRS990PF/StatementsRegardingActy4720Grp/SubjToTaxRmnrtnExPrchtPymtInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/TransactionsFailToQlfyAsExcInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/TransferAstDisqualifiedPrsnInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/UncorrectedPriorActsInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/UncorrectedPYJeopardyInvstInd	0	0
IRS990PF/StatementsRegardingActy4720Grp/UndistributedIncomePYInd	0	0
IRS990PF/StatementsRegardingActyGrp/ActivitiesNotPreviouslyRptInd	0	0
IRS990PF/StatementsRegardingActyGrp/AtLeast5000InAssetsInd	0	1
IRS990PF/StatementsRegardingActyGrp/ChangesToArticlesOrBylawsInd	0	0
IRS990PF/StatementsRegardingActyGrp/ComplyWithPublicInspRqrInd	0	1
IRS990PF/StatementsRegardingActyGrp/DonorAdvisedFundInd	0	0
IRS990PF/StatementsRegardingActyGrp/ForeignAccountsQuestionInd	0	0
IRS990PF/StatementsRegardingActyGrp/Form1120POLFiledInd	0	0
IRS990PF/StatementsRegardingActyGrp/Form990PFFiledWithAttyGenInd	0	1
IRS990PF/StatementsRegardingActyGrp/LegislativePoliticalActyInd	0	0
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/AddressLine1Txt	0	12631 E 17TH AVENUE MAIL STOP B202
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/CityNm	0	AURORA
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/StateAbbreviationCd	0	CO
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/ZIPCd	0	80045
IRS990PF/StatementsRegardingActyGrp/MoreThan100SpentInd	0	0
IRS990PF/StatementsRegardingActyGrp/NewSubstantialContributorsInd	0	1
IRS990PF/StatementsRegardingActyGrp/OrganizationDissolvedEtcInd	0	0
IRS990PF/StatementsRegardingActyGrp/OrgReportOrRegisterStateCd	0	CO
IRS990PF/StatementsRegardingActyGrp/OwnControlledEntityInd	0	0
IRS990PF/StatementsRegardingActyGrp/PersonsWithBooksName/BusinessNameLine1Txt	0	THE ORGANIZATION
IRS990PF/StatementsRegardingActyGrp/PhoneNum	0	3032416817
IRS990PF/StatementsRegardingActyGrp/PrivateOperatingFoundationInd	0	1
IRS990PF/StatementsRegardingActyGrp/Section4955ManagersTaxAmt	0	0
IRS990PF/StatementsRegardingActyGrp/Section4955OrganizationTaxAmt	0	0
IRS990PF/StatementsRegardingActyGrp/Section508eRqrSatisfiedInd	0	1
IRS990PF/StatementsRegardingActyGrp/TaxReimbursedAmt	0	0
IRS990PF/StatementsRegardingActyGrp/UnrelatedBusIncmOverLimitInd	0	0
IRS990PF/StatementsRegardingActyGrp/WebsiteAddressTxt	0	N/A
IRS990PF/SummaryOfDirectChrtblActyGrp/Description1Txt	0	TO COLLECT AND STUDY DATA TO IMPROVE TREATMENT OF PEDIATRIC AND ADULT SPINE DEFORMITITES.
IRS990PF/SummaryOfDirectChrtblActyGrp/Expenses1Amt	0	0
IRS990PF/SumOfProgramRelatedInvstGrp/TotalAmt	0	0
IRS990PF/SupplementaryInformationGrp/OnlyContriToPreselectedInd	0	X
IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriApprvFutAmt	0	0
IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriPdDurYrAmt	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/LoansOrLoanGuaranteesInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PerformanceOfServicesEtcInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PurchaseOfAssetsNonchrtblEOInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/ReimbursementArrangementsInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RelationshipsNonchrtblEOInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RentalOfFacilitiesOthAssetsInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SalesOrExchangesOfAssetsInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SharingOfFacilitiesEtcInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOfCashToNonchrtblEOInd	0	0
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOtherAssetNonchrtblEOInd	0	0
LegalFeesSchedule/LegalFeesGrp/CategoryTxt	0	SHERMAN & HOWARD L.L.C.
LegalFeesSchedule/LegalFeesGrp/DisbursementsCharitablePrpsAmt	0	0
LegalFeesSchedule/LegalFeesGrp/LegalFeesAmt	0	3656
LegalFeesSchedule/LegalFeesGrp/NetInvestmentIncomeAmt	0	0
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc	0	RESEARCH EXPENSE
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt	0	21840
OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt	0	0
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt	0	21840
SubstantialContributorsSch/SubstantialContributorDetail/BusinessName/BusinessNameLine1Txt	0	MEDTRONIC SOFAMOR DANEK USA INC (MEDTRONIC SPINE)
SubstantialContributorsSch/SubstantialContributorDetail/BusinessName/BusinessNameLine1Txt	1	MEDICREA SPINE
SubstantialContributorsSch/SubstantialContributorDetail/USAddress/AddressLine1Txt	0	710 MEDTRONIC PARKWAY NE
SubstantialContributorsSch/SubstantialContributorDetail/USAddress/AddressLine1Txt	1	50 GREENE STREET 5TH FLOOR
SubstantialContributorsSch/SubstantialContributorDetail/USAddress/CityNm	0	MINNEAPOLIS
SubstantialContributorsSch/SubstantialContributorDetail/USAddress/CityNm	1	NEW YORK
SubstantialContributorsSch/SubstantialContributorDetail/USAddress/StateAbbreviationCd	0	MN
SubstantialContributorsSch/SubstantialContributorDetail/USAddress/StateAbbreviationCd	1	NY
SubstantialContributorsSch/SubstantialContributorDetail/USAddress/ZIPCd	0	55432
SubstantialContributorsSch/SubstantialContributorDetail/USAddress/ZIPCd	1	10013
ReturnHeader/BuildTS	0	2025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd	0	1
ReturnHeader/BusinessOfficerGrp/PersonNm	0	CHRISTOPHER KLECK MD
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt	0	PRESIDENT
ReturnHeader/BusinessOfficerGrp/PhoneNum	0	3032416817
ReturnHeader/BusinessOfficerGrp/SignatureDt	0	2025-11-05
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt	0	PERSONALIZED SPINE STUDY GROUP
ReturnHeader/Filer/BusinessName/BusinessNameLine2Txt	0	C/O CHRISTOPHER KLECK MD
ReturnHeader/Filer/BusinessNameControlTxt	0	PERS
ReturnHeader/Filer/EIN	0	853597652
ReturnHeader/Filer/PhoneNum	0	3032416817
ReturnHeader/Filer/USAddress/AddressLine1Txt	0	12631 E 17TH AVE MAIL STOP B202
ReturnHeader/Filer/USAddress/CityNm	0	AURORA
ReturnHeader/Filer/USAddress/StateAbbreviationCd	0	CO
ReturnHeader/Filer/USAddress/ZIPCd	0	80045
ReturnHeader/IRSResponsiblePrtyInfoCurrInd	0	1
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN	0	310541755
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt	0	TAFT STETTINIUS & HOLLISTER LLP
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt	0	675 15TH STREET SUITE 2300
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm	0	DENVER
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd	0	CO
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd	0	80202
ReturnHeader/PreparerPersonGrp/PhoneNum	0	3032972900
ReturnHeader/PreparerPersonGrp/PreparationDt	0	2025-11-05
ReturnHeader/PreparerPersonGrp/PreparerPersonNm	0	KATHLEEN M JOHNSON
ReturnHeader/ReturnTs	0	2025-11-05T13:34:22-06:00
ReturnHeader/ReturnTypeCd	0	990PF
ReturnHeader/TaxPeriodBeginDt	0	2024-01-01
ReturnHeader/TaxPeriodEndDt	0	2024-12-31
ReturnHeader/TaxYr	0	2024

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