Nonprofit · EIN 47-3958736
RHEUMATOLOGY ASSOCIATION OF IOWA INC
Tax-exempt · DES MOINES, IA 50309
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $145,127 | $135,056 | $10,071 | $285,396 | $4,835 | $280,561 |
| December 31, 2024 | 990-EZ | $137,900 | $88,693 | $49,207 | $346,725 | $76,235 | $270,490 |
| December 31, 2023 | 990-EZ | $126,450 | $79,930 | $46,520 | $330,291 | $109,008 | $221,283 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $0
- Program service revenue
- $145,127
- Investment income
- $0
Expenses
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fees and payments to contractors
- $26,268
- Printing, publications and postage
- $2,101
- Other expenses
- $106,687
- Program services (functional)
- $93,288
Balance sheet and other
- Total assets, start of year
- $346,725
- Total assets, end of year
- $285,396
- Total liabilities, end of year
- $4,835
- Net assets, end of year
- $280,561
- Cash, savings and investments
- $285,396
- Gross receipts
- $145,127
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990-EZ for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Hanna Zembrzuska MD MME | PRESIDENT | 1 | $0 |
| Michael S Brooks MD | VICE PRESIDENT | 1 | $0 |
| Thomas Schmidt M | TREASURER | 1 | $0 |
| Bogdan Cherascu MD MS | DIRECTOR | 1 | $0 |
| Laurie Hughell PA-C MPH | DIRECTOR | 1 | $0 |
| Mark W Niemer MD | DIRECTOR | 1 | $0 |
| Lindsay J Orris DO | DIRECTOR | 1 | $0 |
| Matthew Samec MD | DIRECTOR | 1 | $0 |
990-EZ for the year ended December 31, 2024: 7 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Thomas Schmidt MD | President | 1 | $0 |
| Mark A Burdt DO | Vice President | 1 | $0 |
| Kara Long PA-C | Treasurer | 1 | $0 |
| Michael S Brooks MD FACP | Director | 1 | $0 |
| Bogdan Cherascu MDMS | Director | 1 | $0 |
| Candace Milbourn | Director | 1 | $0 |
| Mark W Niemer MD | Director | 1 | $0 |
990-EZ for the year ended December 31, 2023: 10 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Thomas Schmidt MD | President | 1 | $0 |
| Mark A Burdt DO | Vice President | 1 | $0 |
| Kara Long PA-C | Treasurer | 1 | $0 |
| Michael S Brooks MD FACP | Director | 1 | $0 |
| Bogdan Cherascu MDMS | Director | 1 | $0 |
| Rhonda Dunn ARNP | Director | 1 | $0 |
| Candace Milbourn | Director | 1 | $0 |
| Mark W Niemer MD | Director | 1 | $0 |
| Hanna Zembrzuska MD MME | Director | 1 | $0 |
| Ross E Weber | ASSOCIATE DIREC | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 515 E LOCUST ST STE 400, DES MOINES, IA 50309-1968
- Mailing address (990-N for 2015)
- 1100 E WOODFIELD ROAD SUITE 350, SCHAUMBURG IL 60173
- Principal officer (990-N for 2015)
- MICHAEL S BROOKS MD FACP FACR, 1100 E WOODFIELD ROAD SUITE 350, SCHAUMBURG IL 60173
- Signed the 990-EZ
- Grace, Executive Director
Mission
THE PURPOSE OF THE ASSOCIATION IS TO INCREASE AND PROPAGATE THE UNDERSTANDING OF RHEUMATIC DISEASES AMONG PHYSICIANS ENGAGED IN THE ONGOING PRACTICE OF RHEUMATOLOGY AND THE SOCIO-ECONOMICS ISSUES INVOLVED IN THE TREATMENT OF THESE DISEASES AND OTHER LAWFUL PURPOSES.
Program accomplishments
- THE ASSOCIATION HOLDS AN EDUCATIONAL CONFERENCE TO PROVIDE INFORMATION RELATING TO THE PRACTICE OF RHEUMATOLOGY AND RELATED TREATMENT.Expenses $93,288
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990-EZ on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 47-3958736
- Tax-exempt status
- 501(c)(6): Business league or chamber of commerce
- Donations deductible
- No
- Exempt since
- 2018
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Voluntary health associations and medical disciplines (G50)
- Assets (IRS master file)
- $285,396
- Income (IRS master file)
- $145,127
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $145,127 | $135,056 | $285,396 | IRS |
| 990-EZ | December 2024 | $137,900 | $88,693 | $346,725 | XML |
| 990-EZ | December 2023 | $126,450 | $79,930 | $330,291 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2020 | – | – | – | IRS |
| 990-EZ | December 2019 | – | – | – | IRS |
| 990-EZ | December 2018 | – | – | – | IRS |
| 990-N for 2015 Officer: MICHAEL S BROOKS MD FACP FACR | December 31, 2015 | ≤ $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 47-3958736).
Questions about RHEUMATOLOGY ASSOCIATION OF IOWA INC
- What is the EIN of RHEUMATOLOGY ASSOCIATION OF IOWA INC?
- The employer identification number (EIN) of RHEUMATOLOGY ASSOCIATION OF IOWA INC is 47-3958736.
- Is RHEUMATOLOGY ASSOCIATION OF IOWA INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 2018.
- Are donations to RHEUMATOLOGY ASSOCIATION OF IOWA INC tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does RHEUMATOLOGY ASSOCIATION OF IOWA INC file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of RHEUMATOLOGY ASSOCIATION OF IOWA 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 RHEUMATOLOGY ASSOCIATION OF IOWA INC last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who is the principal officer of RHEUMATOLOGY ASSOCIATION OF IOWA INC?
- The 990-N for 2015 names MICHAEL S BROOKS MD FACP FACR.
- Who are the officers and directors of RHEUMATOLOGY ASSOCIATION OF IOWA INC?
- The 990-EZ for the year ended December 31, 2025 lists 8 people; 0 received compensation from the organization.
- How much revenue does RHEUMATOLOGY ASSOCIATION OF IOWA INC have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $145,127, expenses of $135,056 and total assets of $285,396 at year end.
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