Civic Intelligence

American Society of Stereotactic and Functional Ne

EIN 45-4065198 • 501(c)3 • Merrick, NY

Profile

The ASSFN is dedicated to the treatment of functional disorders of the nervous system through the use of stereotaxy and other forms of surgical technology . The Society accomplishes this mission through public and professional education, dissemination of novel research, outreach to patients, and promotion of excellence in clinical care.

C/O Dph Tax Services 41 Remson AveMerrick, NY 11566

www.assfn.org

Siviq Scores

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

Liabilities / Assets

16th percentile

0.00x

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

NTEE B90 • $1M-$5M nonprofits • Source year 2024

Liabilities / Revenue

16th percentile

0.00x

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

NTEE B90 • $1M-$5M nonprofits • Source year 2024

Net Margin

94th percentile

64%

Higher net margin than 94% of similar nonprofits.

NTEE B90 • $1M-$5M nonprofits • Source year 2024

Top Officer Pay

34th percentile

$0

Higher top officer pay than 34% of similar nonprofits.

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

NTEE B90 • $1M-$5M nonprofits • Source year 2024

Asset Growth

64th percentile

12%

Faster asset growth than 64% of similar nonprofits.

NTEE B90 • $1M-$5M nonprofits • Annualized from 2023 to 2024

Revenue Growth

94th percentile

216%

Faster revenue growth than 94% of similar nonprofits.

NTEE B90 • $1M-$5M nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / Assets16th percentile

Assets

Up

$2,633,580

Up $290,542 (+12%) from 2023

Liabilities

Flat

$0

Flat from 2023

Net Assets

Up

$2,633,580

Up $290,542 (+12%) from 2023

Operations
Liabilities / Revenue16th percentileNet Margin94th percentile

Revenue

Up

$456,305

Up $312,073 (+216%) from 2023

Expenses

Up

$165,763

Up $107,749 (+186%) from 2023

Net Income

Up

$290,542

Up $204,324 (+237%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth64th percentile

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

$3.0M$2.0M$1.0M$0Assets 2016: $1,215,501Liabilities 2016: $0Net Assets 2016: $1,215,5012016Assets 2017: $1,254,158Liabilities 2017: $0Net Assets 2017: $1,254,1582017Assets 2018: $1,679,501Liabilities 2018: $0Net Assets 2018: $1,679,5012018Assets 2019: $1,584,519Liabilities 2019: $0Net Assets 2019: $1,584,5192019Assets 2020: $1,673,855Liabilities 2020: $0Net Assets 2020: $1,673,8552020Assets 2021: $2,154,240Liabilities 2021: $0Net Assets 2021: $2,154,2402021Assets 2022: $2,256,820Liabilities 2022: $0Net Assets 2022: $2,256,8202022Assets 2023: $2,343,038Liabilities 2023: $0Net Assets 2023: $2,343,0382023Assets 2024: $2,633,580Liabilities 2024: $0Net Assets 2024: $2,633,5802024

Highlighted filing

2024

Assets$2,633,580
Liabilities$0
Net Assets$2,633,580
Open 2024 Filing

Operations Trend

Revenue Growth94th percentile

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

$600K$400K$200K$0-$200KRevenue 2016: $416,199Expenses 2016: $44,993Net Income 2016: $371,2062016Revenue 2017: $64,787Expenses 2017: $26,130Net Income 2017: $38,6572017Revenue 2018: $470,820Expenses 2018: $45,477Net Income 2018: $425,3432018Revenue 2019: $197,700Expenses 2019: $292,682Net Income 2019: -$94,9822019Revenue 2020: $138,530Expenses 2020: $49,194Net Income 2020: $89,3362020Revenue 2021: $523,194Expenses 2021: $42,809Net Income 2021: $480,3852021Revenue 2022: $309,423Expenses 2022: $206,843Net Income 2022: $102,5802022Revenue 2023: $144,232Expenses 2023: $58,014Net Income 2023: $86,2182023Revenue 2024: $456,305Expenses 2024: $165,763Net Income 2024: $290,5422024

Highlighted filing

2024

Revenue$456,305
Expenses$165,763
Net Income$290,542
Open 2024 Filing

Filings

Most recent year

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

Open filing
Assets
$2,633,580
Liabilities
$0
Net assets
$2,633,580
Revenue
$456,305
Expenses
$165,763
Net income
$290,542
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Detailed filing. Detailed filing data is available for this year.$2.63$0.00$2.63$0.46$0.17$0.29
2023Detailed filing. Detailed filing data is available for this year.$2.34$0.00$2.34$0.14$0.06$0.09
2022Detailed filing. Detailed filing data is available for this year.$2.26$0.00$2.26$0.31$0.21$0.10
2021Detailed filing. Detailed filing data is available for this year.$2.15$0.00$2.15$0.52$0.04$0.48
2020Detailed filing. Detailed filing data is available for this year.$1.67$0.00$1.67$0.14$0.05$0.09
2019Detailed filing. Detailed filing data is available for this year.$1.58$0.00$1.58$0.20$0.29$0.09
2018Detailed filing. Detailed filing data is available for this year.$1.68$0.00$1.68$0.47$0.05$0.43
2017Detailed filing. Detailed filing data is available for this year.$1.25$0.00$1.25$0.06$0.03$0.04
2016Detailed filing. Detailed filing data is available for this year.$1.22$0.00$1.22$0.42$0.04$0.37
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
Aug 8, 2025
Return Version
2024v5.2
Gross Receipts
$691,125
Mission and Program Overview

Mission

The mission of the society is to promote advances in the field of stereotactic and functional neurosurgery through scientific inquiry and the free exchange of information.

Balance Sheet Detail
LineBeginningEndChange
Assets
Investments in Publicly Traded Securities$2,008,589$2,428,008▲ $419,419
Savings and Temporary Cash Investments$334,449$205,572▼ $128,877
Total Assets$2,343,038$2,633,580▲ $290,542
Liabilities
Total Liabilities$0$0→ $0
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$2,343,038$2,633,580▲ $290,542
Total Net Assets Fund Balance$2,343,038$2,633,580▲ $290,542
Total Liabilities and Net Assets / Fund Balance$2,343,038$2,633,580▲ $290,542
Compensation and Service Providers
Top Officer Pay34th percentile

Board Members and Trustees

NameTitle
Andre MachadoPast President
Julie PilitsisPresident
Ellen AirVice-president
Ashwin VismanathanDirector
Chenyuan WuDirector
Jennifer SweetDirector
Jon WillieDirector
Rushani AliDirector
Sara BickDirector
Shabbar DanishDirector
Wael AsaadDirector
Clement HamaniSec- Treasurer
Revenue and Support

Revenue Composition

Contributions and Grants
$34,670
Program Service Revenue
$300,049
Investment Income
$121,586
Other Revenue
$0
Change in Net Assets
$290,542
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$115,763
Grants and Similar Amounts Paid$50,000
Professional Fundraising Fees$0
Salaries, Compensation, and Employee Benefits$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Grants to Domestic Orgs$50,000--$50,000
Office Expenses$48,127--$48,127
Other Expenses$22,442$11-$22,442
Fees for Service Investment Mgmnt Fees-$19,034-$19,034
Conferences and Meetings$16,693--$16,693
Fees for Services Accounting$2,025$2,025-$4,050
Insurance$1,493--$1,493
Fees for Services Legal$551$551-$1,102
Total Functional Expenses$143,563$22,200$0$165,763
International Activity

Grant and Assistance Recipients

RecipientLocationCategoryPurposeAmount
UtmbGalveston, TX-Neurological Research$50,000
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Professional Fundraising Fees$0
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Backup withholding compliance
No
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
No
Other officer compensation reviewed
No
Conflict-of-interest policy
No
Audited financial statements prepared
No
Key decisions subject to board approval
Yes
Management duties delegated
No

Governance Explanations

Form 990, Part VI, Section Section B, Line Line 11B

“Form, 990 is reviewed by a board director.”

Form 990, Part VI, Section Section B, Line Lines 15A 15B

“The organization does not compensate any officers.”

Form 990, Part VI, Section Section C, Line Line 19

“The organization makes it governing documents, confllict of interest policy available to the public upon reqquest.”

Filing and Contact Details

Filer

Filer Name
American Society of Stereotactic and Functional Ne
EIN
45-4065198
Address
C/O DPH TAX SERVICES 41 REMSON AVE, MERRICK, NY 11566

Signing Officer

Name
Ellen Air
Title
Officer
Signed
2025-08-08
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Ellen Air
Formed
2011
Legal Domicile
Tn
Voting Board Members
16
Independent Board Members
16
Employees
0

Preparer

Firm
Dph Tax Services
Address
41 REMSON AVENUE, MERRICK, NY 11566
Preparer
Daniel Horn
Phone
5167240143
Supplemental Narrative

Additional Explanations

Form 990, Part IX, Section Fees for services, Line 11G

“AANS provides adminstrative services for the collection of ASSFN membership dues. ASSFN then pays AANS a fee for this administrative service.”

Raw XML AppendixShowing 400 of 423 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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IRS990/ProgramServiceRevenueGrp/Desc0BIENIAL EVENT
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt0300049
IRS990/ProhibitedTaxShelterTransInd0false
IRS990/PYContributionsGrantsAmt0109250
IRS990/PYExcessBenefitTransInd0false
IRS990/PYInvestmentIncomeAmt034982
IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt00
IRS990/PYOtherExpensesAmt058014
IRS990/PYRevenuesLessExpensesAmt086218
IRS990/PYTotalExpensesAmt058014
IRS990/PYTotalRevenueAmt0144232
IRS990/QuidProQuoContributionsInd0false
IRS990/RcvFndsToPayPrsnlBnftCntrctInd0false
IRS990/ReconcilationRevenueExpnssAmt0290542
IRS990/RelatedEntityInd0false
IRS990/RelatedOrganizationCtrlEntInd0false
IRS990/ReportInvestmentsOtherSecInd0false
IRS990/ReportLandBuildingEquipmentInd0false
IRS990/ReportOtherAssetsInd0false
IRS990/ReportOtherLiabilitiesInd0false
IRS990/ReportProgramRelatedInvstInd0false
IRS990/RevenueAmt0300049
IRS990/RoyaltiesGrp/TotalAmt00
IRS990/SavingsAndTempCashInvstGrp/BOYAmt0334449
IRS990/SavingsAndTempCashInvstGrp/EOYAmt0205572
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt034670
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt0109250
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt014800
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt042609
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt059840
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt0261169
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt0127917
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt034981
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt062552
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt0173355
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt078691
IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt0477496
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt0300049
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt0232071
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt0532120
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt0127917
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt034981
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt062552
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt0173355
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt078691
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt0477496
IRS990ScheduleA/InvestmentIncomeCYPct00.37570
IRS990ScheduleA/InvestmentIncomePYPct00.36600
IRS990ScheduleA/NetIncomeFromOtherUBIGrp/TotalAmt00
IRS990ScheduleA/OtherIncome509Grp/TotalAmt00
IRS990ScheduleA/Post1975UBTIGrp/TotalAmt00
IRS990ScheduleA/PubliclySupportedOrg509a2Ind0X
IRS990ScheduleA/PublicSupportCY170Pct00.00000
IRS990ScheduleA/PublicSupportCY509Pct00.62430
IRS990ScheduleA/PublicSupportPY509Pct00.63400
IRS990ScheduleA/PublicSupportTotal170Amt00
IRS990ScheduleA/PublicSupportTotal509Amt0793289
IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt0334719
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt0109250
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt0246871
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt042609
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt059840
IRS990ScheduleA/Total509Grp/TotalAmt0793289
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt0462636
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt0144231
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt0309423
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt0215964
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt0138531
IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt01270785
IRS990/ScheduleBRequiredInd0false
IRS990ScheduleI/GrantRecordsMaintainedInd0true
IRS990ScheduleI/RecipientTable/CashGrantAmt050000
IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt0NEUROLOGICAL RESEARCH
IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt0UTMB
IRS990ScheduleI/RecipientTable/RecipientEIN0746000949
IRS990ScheduleI/RecipientTable/USAddress/AddressLine1Txt0301 UNIVERSITY BLVD
IRS990ScheduleI/RecipientTable/USAddress/CityNm0GALVESTON
IRS990ScheduleI/RecipientTable/USAddress/StateAbbreviationCd0TX
IRS990ScheduleI/RecipientTable/USAddress/ZIPCd077555
IRS990ScheduleI/SupplementalInformationDetail/ExplanationTxt0The organization UTMB submits financial reports to substantiate the use of grant funds.
IRS990ScheduleI/SupplementalInformationDetail/FormAndLineReferenceDesc0Part I Line 2
IRS990ScheduleI/Total501c3OrgCnt01
IRS990ScheduleJ/AnyNonFixedPaymentsInd0false
IRS990ScheduleJ/CompBasedOnRevenueOfFlngOrgInd0false
IRS990ScheduleJ/CompBsdNetEarnsFlngOrgInd0false
IRS990ScheduleJ/CompBsdNetEarnsRltdOrgsInd0false
IRS990ScheduleJ/CompBsdOnRevRelatedOrgsInd0false
IRS990ScheduleJ/InitialContractExceptionInd0false
IRS990ScheduleJ/RebuttablePresumptionProcInd0false
IRS990/ScheduleJRequiredInd0false
IRS990/ScheduleORequiredInd0true
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0AANS provides adminstrative services for the collection of ASSFN membership dues. ASSFN then pays AANS a fee for this administrative service.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1Form, 990 is reviewed by a board director.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2The organization does not compensate any officers.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt3The organization makes it governing documents, confllict of interest policy available to the public upon reqquest.
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Form 990, Part IX, Section Fees for services, Line 11g
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1Form 990, Part VI, Section Section B, Line Line 11B
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2Form 990, Part VI, Section Section B, Line Lines 15a 15b
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc3Form 990, Part VI, Section Section C, Line Line 19
IRS990/SchoolOperatingInd0false
IRS990/SignificantChangeInd0false
IRS990/SignificantNewProgramSrvcInd0false
IRS990/StatesWhereCopyOfReturnIsFldCd0TN
IRS990/SubjectToExcsTaxNetInvstIncInd0false
IRS990/SubjectToProxyTaxInd0false
IRS990/SubjToTaxRmnrtnExPrchtPymtInd0false
IRS990/TaxablePartyNotificationInd0false
IRS990/TaxExemptBondsInd0false
IRS990/TerminateOperationsInd0false
IRS990/TotalAssetsBOYAmt02343038
IRS990/TotalAssetsEOYAmt02633580
IRS990/TotalAssetsGrp/BOYAmt02343038
IRS990/TotalAssetsGrp/EOYAmt02633580
IRS990/TotalCompGreaterThan150KInd0false
IRS990/TotalContributionsAmt034670
IRS990/TotalEmployeeCnt00
IRS990/TotalFunctionalExpensesGrp/FundraisingAmt00
IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt022200
IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt0143563
IRS990/TotalFunctionalExpensesGrp/TotalAmt0165763
IRS990/TotalGrossUBIAmt00
IRS990/TotalLiabilitiesEOYAmt00
IRS990/TotalLiabilitiesGrp/BOYAmt00
IRS990/TotalLiabilitiesGrp/EOYAmt00
IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt02343038
IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt02633580
IRS990/TotalProgramServiceExpensesAmt0143563
IRS990/TotalProgramServiceRevenueAmt0300049
IRS990/TotalRevenueGrp/ExclusionAmt0121586
IRS990/TotalRevenueGrp/TotalRevenueColumnAmt0456305
IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt02343038
IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt02633580
IRS990/TravelGrp/TotalAmt00
IRS990/TrnsfrExmptNonChrtblRltdOrgInd0false
IRS990/TypeOfOrganizationAssocInd0X
IRS990/UnrelatedBusIncmOverLimitInd0false
IRS990/UponRequestInd0X
IRS990/USAddress/AddressLine1Txt02799 W GRAND BLVD
IRS990/USAddress/CityNm0Detroit
IRS990/USAddress/StateAbbreviationCd0MI
IRS990/USAddress/ZIPCd048202
IRS990/VotingMembersGoverningBodyCnt016
IRS990/VotingMembersIndependentCnt016
IRS990/WebsiteAddressTxt0WWW.ASSFN.ORG
IRS990/WhistleblowerPolicyInd0false
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd0true
ReturnHeader/BusinessOfficerGrp/PersonNm0ELLEN AIR
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0OFFICER

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