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Nonprofit · EIN 26-0271946

CASS CLINIC

Tax-exempt · DETROIT, MI 48206

Address and contacts

Address (IRS master file)
1534 WEBB ST, DETROIT, MI 48206-1348
In care of
% DR GEORGE COSTEA DO
Mailing address (990-N for 2024)
1534 Webb St, Detroit MI 48206
Principal officer (990-N for 2024)
Laura Ann Tonarelli, 1534 Webb St, Detroit MI 48206

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 May, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025May 31, 2026October 15, 2026Not on file
2024May 31, 2025October 15, 2025990-N on file
2023May 31, 2024October 15, 2024Check at the IRS

IRS record

EIN
26-0271946
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2008
Accounting year ends
May
Files
Form 990-N (e-Postcard)
Category (NTEE)
Health care (E32)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Laura Ann Tonarelli
May 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Laura Ann Tonarelli
May 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: George Costea
May 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Alyssa Kalsbeek
May 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Chuck Costea
May 31, 2020≤ $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 26-0271946).

Questions about CASS CLINIC

What is the EIN of CASS CLINIC?
The employer identification number (EIN) of CASS CLINIC is 26-0271946.
Is CASS CLINIC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2008.
Are donations to CASS CLINIC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does CASS CLINIC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of CASS CLINIC due?
The return for tax year 2025 (the year ending May 31, 2026) is due October 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did CASS CLINIC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended May 31, 2025.
Who is the principal officer of CASS CLINIC?
The 990-N for 2024 names Laura Ann Tonarelli.

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