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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 37-1236985

ILLINOIS UROLOGICAL SOCIETY

Tax-exempt · EAST DUNDEE, IL 60118

Address and contacts

Address (IRS master file)
1061 E MAIN ST STE 300, EAST DUNDEE, IL 60118-2431
Mailing address (990-N for 2024)
1933 NORTH MEACHAM ROAD 450, SCHAUMBURG IL 60173
Principal officer (990-N for 2024)
Daniel James Sadowski MD MPH, 1933 NORTH MEACHAM ROAD 450, SCHAUMBURG IL 60173

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, 2026Not on file
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2025 990-N for ILLINOIS UROLOGICAL SOCIETY

Due May 15, 2026 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
37-1236985
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 2024
Officer: Daniel James Sadowski MD MPH
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: ROBERT H BLACKWELL MD
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: ROBERT H BLACKWELL MD
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Nicholas Tadros MD MCR MBA
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Ranjiv Mathews MD
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 37-1236985).

Questions about ILLINOIS UROLOGICAL SOCIETY

What is the EIN of ILLINOIS UROLOGICAL SOCIETY?
The employer identification number (EIN) of ILLINOIS UROLOGICAL SOCIETY is 37-1236985.
Is ILLINOIS UROLOGICAL SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 2010.
Are donations to ILLINOIS UROLOGICAL SOCIETY tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does ILLINOIS UROLOGICAL SOCIETY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of ILLINOIS UROLOGICAL SOCIETY due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did ILLINOIS UROLOGICAL SOCIETY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended December 31, 2024.
Who is the principal officer of ILLINOIS UROLOGICAL SOCIETY?
The 990-N for 2024 names Daniel James Sadowski MD MPH.

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