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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 02-0542304

SONOMA COUNTY MEDICAL ASSOCIATION ALLIANCE FOUNDATION INC

Tax-exempt · ROHNERT PARK, CA 94928

Address and contacts

Address (IRS master file)
131 SOUTHWEST BLVD STE E, ROHNERT PARK, CA 94928-3794
In care of
% LINDA OPEKA
Mailing address (990-N for 2025)
131 Southwest Blvd Suite E, Rohnert Park CA 94928
Principal officer (990-N for 2025)
Karen Hanahan, 3450 Chalfant Rd, Santa Rosa CA 95404

California records

California keeps its own records of charities and corporations. Search them by EIN 02-0542304 or by the name SONOMA COUNTY MEDICAL ASSOCIATION ALLIANCE FOUNDATION INC.

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

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026990-N on file
2024June 30, 2025November 17, 2025990-N on file
2023June 30, 2024November 15, 2024990-N on file

File the 2026 990-N for SONOMA COUNTY MEDICAL ASSOCIATION ALLIANCE FOUNDATION INC

Due November 15, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
02-0542304
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
2002
Accounting year ends
June
Files
Form 990-N (e-Postcard)
Category (NTEE)
Health care (E70)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Karen Hanahan
June 30, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Karen Hanahan
June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Karen Hanahan
June 30, 2024≤ $50,000 receipts––e-Postcard
990-EZJune 2023–––IRS
990-EZJune 2022–––IRS
990-EZJune 2021–––IRS
990-EZJune 2019–––IRS
990-EZJune 2018–––IRS

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 02-0542304).

Questions about SONOMA COUNTY MEDICAL ASSOCIATION ALLIANCE FOUNDATION INC

What is the EIN of SONOMA COUNTY MEDICAL ASSOCIATION ALLIANCE FOUNDATION INC?
The employer identification number (EIN) of SONOMA COUNTY MEDICAL ASSOCIATION ALLIANCE FOUNDATION INC is 02-0542304.
Is SONOMA COUNTY MEDICAL ASSOCIATION ALLIANCE FOUNDATION INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2002.
Are donations to SONOMA COUNTY MEDICAL ASSOCIATION ALLIANCE FOUNDATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SONOMA COUNTY MEDICAL ASSOCIATION ALLIANCE FOUNDATION INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SONOMA COUNTY MEDICAL ASSOCIATION ALLIANCE FOUNDATION INC due?
The return for tax year 2026 (the year ending June 30, 2027) is due November 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SONOMA COUNTY MEDICAL ASSOCIATION ALLIANCE FOUNDATION INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended June 30, 2026.
Who is the principal officer of SONOMA COUNTY MEDICAL ASSOCIATION ALLIANCE FOUNDATION INC?
The 990-N for 2025 names Karen Hanahan.

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