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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 90-0599273

SAINT LOUIS RHEUMATOLOGY ASSOCIATION

Tax-exempt · SAINT LOUIS, MO 63105

Address and contacts

Address (IRS master file)
PO BOX 16673, SAINT LOUIS, MO 63105-1173
In care of
% RICHARD BRASINGTON MD
Mailing address (990-N for 2025)
PO BOX 16673, SAINT LOUIS MO 631051173
Principal officer (990-N for 2025)
Alfred KIm MD PHD, PO BOX 16673, Clayton MO 63105

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, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-N for SAINT LOUIS RHEUMATOLOGY ASSOCIATION

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

IRS record

EIN
90-0599273
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
2010
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Alfred KIm MD PHD
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Alfred kim
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Alfred Kim MD PhD
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Alfred Kim MD PhD
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018December 31, 2018≤ $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 90-0599273).

Questions about SAINT LOUIS RHEUMATOLOGY ASSOCIATION

What is the EIN of SAINT LOUIS RHEUMATOLOGY ASSOCIATION?
The employer identification number (EIN) of SAINT LOUIS RHEUMATOLOGY ASSOCIATION is 90-0599273.
Is SAINT LOUIS RHEUMATOLOGY ASSOCIATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 2010.
Are donations to SAINT LOUIS RHEUMATOLOGY ASSOCIATION tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does SAINT LOUIS RHEUMATOLOGY ASSOCIATION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SAINT LOUIS RHEUMATOLOGY ASSOCIATION 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 SAINT LOUIS RHEUMATOLOGY ASSOCIATION 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 SAINT LOUIS RHEUMATOLOGY ASSOCIATION?
The 990-N for 2025 names Alfred KIm MD PHD.

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