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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 93-3652988

WILLEUMIER CENTER FOR ADVANCED RESEARCH IN NEUROTRAUMA

Tax-exempt · WOODLAND HLS, CA 91367

Address and contacts

Address (IRS master file)
21550 OXNARD ST FL 3, WOODLAND HLS, CA 91367-7105
Mailing address (990-N for 2025)
21550 OXNARD STREET 3FL, WOODLAND HILLS CA 91367
Principal officer (990-N for 2025)
KRISTEN WILLEUMIER, 21550 OXNARD STREET 3FL, WOODLAND HILLS CA 91367

California records

California keeps its own records of charities and corporations. Search them by EIN 93-3652988 or by the name WILLEUMIER CENTER FOR ADVANCED RESEARCH IN NEUROTRAUMA.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-N on file
2024December 31, 2024May 15, 2025Check at the IRS
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-N for WILLEUMIER CENTER FOR ADVANCED RESEARCH IN NEUROTRAUMA

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
93-3652988
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2024
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Medical research (H96)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: KRISTEN WILLEUMIER
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: KRISTEN WILLEUMIER
December 31, 2023≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 93-3652988).

Questions about WILLEUMIER CENTER FOR ADVANCED RESEARCH IN NEUROTRAUMA

What is the EIN of WILLEUMIER CENTER FOR ADVANCED RESEARCH IN NEUROTRAUMA?
The employer identification number (EIN) of WILLEUMIER CENTER FOR ADVANCED RESEARCH IN NEUROTRAUMA is 93-3652988.
Is WILLEUMIER CENTER FOR ADVANCED RESEARCH IN NEUROTRAUMA tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2024.
Are donations to WILLEUMIER CENTER FOR ADVANCED RESEARCH IN NEUROTRAUMA tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does WILLEUMIER CENTER FOR ADVANCED RESEARCH IN NEUROTRAUMA file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of WILLEUMIER CENTER FOR ADVANCED RESEARCH IN NEUROTRAUMA due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did WILLEUMIER CENTER FOR ADVANCED RESEARCH IN NEUROTRAUMA last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of WILLEUMIER CENTER FOR ADVANCED RESEARCH IN NEUROTRAUMA?
The 990-N for 2025 names KRISTEN WILLEUMIER.

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