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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 42-0821216

CERRO GORDO COUNTY MEDICAL SOCIETY

Tax-exempt · MASON CITY, IA 50401

Address and contacts

Address (IRS master file)
680 E STATE ST, MASON CITY, IA 50401-4171
In care of
% ADRIAN WOLBRINK
Mailing address (990-N for 2024)
680 E State St, Mason City IA 50401
Principal officer (990-N for 2024)
Michael Spooner, 680 E State St, Mason City IA 50401

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

Tax yearYear endedDueIRS public records
2024November 30, 2025April 15, 2026990-N on file
2023November 30, 2024April 15, 2025990-N on file
2022November 30, 2023April 15, 2024990-N on file

File the 2025 990-N for CERRO GORDO COUNTY MEDICAL SOCIETY

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

IRS record

EIN
42-0821216
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
1956
Accounting year ends
November
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Michael Spooner
November 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: ADRIAN WOLBRINK
November 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: ADRIAN WOLBRINK
November 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: ADRIAN WOLBRINK
November 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: ADRIAN WOLBRINK
November 30, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: ADRIAN WOLBRINK
November 30, 2019≤ $50,000 receipts––e-Postcard
990-N for 2017
Officer: ADRIAN WOLBRINK
November 30, 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 42-0821216).

Questions about CERRO GORDO COUNTY MEDICAL SOCIETY

What is the EIN of CERRO GORDO COUNTY MEDICAL SOCIETY?
The employer identification number (EIN) of CERRO GORDO COUNTY MEDICAL SOCIETY is 42-0821216.
Is CERRO GORDO COUNTY MEDICAL SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1956.
Are donations to CERRO GORDO COUNTY MEDICAL SOCIETY tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does CERRO GORDO COUNTY MEDICAL SOCIETY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of CERRO GORDO COUNTY MEDICAL SOCIETY due?
The return for tax year 2025 (the year ending November 30, 2026) is due April 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did CERRO GORDO COUNTY MEDICAL SOCIETY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended November 30, 2025.
Who is the principal officer of CERRO GORDO COUNTY MEDICAL SOCIETY?
The 990-N for 2024 names Michael Spooner.

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