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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 62-0961532

SOUTHERN EEG SOCIETY INC

Also known as DECATUR NEUROLOGICAL ASSOCIATES LTD

Tax-exempt · SAN FRANCISCO, CA 94143

Address and contacts

Address (IRS master file)
400 PARNASSUS AVE, SAN FRANCISCO, CA 94143-2202
In care of
% KRISTIAN STCLAIR
Mailing address (990-N for 2025)
400 Parnassus Avenue, San Francisco CA 94143
Principal officer (990-N for 2025)
Robert Knowlton, 400 Parnassus Avenue, San Francisco CA 94143

California records

California keeps its own records of charities and corporations. Search them by EIN 62-0961532 or by the name SOUTHERN EEG SOCIETY 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 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 SOUTHERN EEG SOCIETY INC

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

IRS record

EIN
62-0961532
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
1976
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Robert Knowlton
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Robert Knowlton
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Robert Knowlton
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: DR ROBERT KNOWLTON
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: DR ROBERT KNOWLTON
December 31, 2019≤ $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 62-0961532).

Questions about SOUTHERN EEG SOCIETY INC

What is the EIN of SOUTHERN EEG SOCIETY INC?
The employer identification number (EIN) of SOUTHERN EEG SOCIETY INC is 62-0961532.
Is SOUTHERN EEG SOCIETY INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1976.
Are donations to SOUTHERN EEG SOCIETY INC tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does SOUTHERN EEG SOCIETY INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SOUTHERN EEG SOCIETY INC 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 SOUTHERN EEG SOCIETY INC 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 SOUTHERN EEG SOCIETY INC?
The 990-N for 2025 names Robert Knowlton.

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