Nonprofit · EIN 36-4343451
ILLINOIS ASSOCIATION OF ORTHOPAEDIC SURGEON
Tax-exempt · PARK RIDGE, IL 60068
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990-EZ | $45,075 | $41,726 | $3,349 | $120,019 | – | $120,019 |
| December 31, 2023 | 990-EZ | $34,464 | $24,312 | $10,152 | $133,976 | – | $133,976 |
Financial details: 990-EZ for the year ended December 31, 2024
Revenue
- Membership dues
- $45,075
Expenses
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $26,720
- Other expenses
- $15,006
Balance sheet and other
- Total assets, start of year
- $116,670
- Total assets, end of year
- $120,019
- Total liabilities, end of year
- –
- Net assets, end of year
- $120,019
- Cash, savings and investments
- $120,019
- Gross receipts
- $45,075
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, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Douglas Evans MD | President | 3 | $0 |
| Alfonso Mejia MD | Director | 1 | $0 |
| Jeffrey Goldstein MD | President Elect | 1 | $0 |
| Steven Mardjetko | Secretary Treasurer | 1 | $0 |
| Charles Bush-Joseph MD | Director | 1 | $0 |
| Preston Wolin MD | Director | 1 | $0 |
| David Alfieri MD | Director | 1 | $0 |
| Charles Bush-Joseph MD | Director | 1 | $0 |
| Steven Morton DO | Director | 1 | $0 |
| Giri Burra | Director | 1 | $0 |
| Miguel Ramirez MD | Director | 1 | $0 |
990-EZ for the year ended December 31, 2023: 11 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Douglas Evans MD | President | 3 | $0 |
| Alfonso Mejia MD | Director | 1 | $0 |
| Jeffrey Goldstein MD | President Elect | 1 | $0 |
| Steven Mardjetko | Secretary Treasurer | 1 | $0 |
| Charles Bush-Joseph MD | Director | 1 | $0 |
| Preston Wolin MD | Director | 1 | $0 |
| David Alfieri MD | Director | 1 | $0 |
| Charles Bush-Joseph MD | Director | 1 | $0 |
| Steven Morton DO | Director | 1 | $0 |
| Giri Burra | Director | 1 | $0 |
| Miguel Ramirez MD | Director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 931, PARK RIDGE, IL 60068-0931
- In care of
- % STEVEN MARDJETKO MD
- Signed the 990-EZ
- Steven Mardjetko MD, Treasurer
- Website
- www.iaosorg.com
Mission
Advancing quality musculoskeletal care in Illinois
Program accomplishments
- NOLC Meeting with Legislators in Washington DC Sponsored by the American Academy of Orthopaedic Surgeons in which all state societies attend and meet with their various House and Senate State Representatives regarding quality of Orthopaedic care in the state of Illinois.
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | Not 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
- 36-4343451
- Tax-exempt status
- 501(c)(6): Business league or chamber of commerce
- Donations deductible
- No
- Exempt since
- 2000
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Community improvement and capacity building (S41)
- Assets (IRS master file)
- $120,019
- Income (IRS master file)
- $45,075
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2024 | $45,075 | $41,726 | $120,019 | XML |
| 990-EZ | December 2023 | $34,464 | $24,312 | $133,976 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2019 | – | – | – | IRS |
| 990-EZ | December 2018 | – | – | – | IRS |
| 990-EZ | December 2017 | – | – | – | IRS |
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 36-4343451).
Questions about ILLINOIS ASSOCIATION OF ORTHOPAEDIC SURGEON
- What is the EIN of ILLINOIS ASSOCIATION OF ORTHOPAEDIC SURGEON?
- The employer identification number (EIN) of ILLINOIS ASSOCIATION OF ORTHOPAEDIC SURGEON is 36-4343451.
- Is ILLINOIS ASSOCIATION OF ORTHOPAEDIC SURGEON tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 2000.
- Are donations to ILLINOIS ASSOCIATION OF ORTHOPAEDIC SURGEON tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does ILLINOIS ASSOCIATION OF ORTHOPAEDIC SURGEON file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of ILLINOIS ASSOCIATION OF ORTHOPAEDIC SURGEON 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 ASSOCIATION OF ORTHOPAEDIC SURGEON last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2024.
- Who are the officers and directors of ILLINOIS ASSOCIATION OF ORTHOPAEDIC SURGEON?
- The 990-EZ for the year ended December 31, 2024 lists 11 people; 0 received compensation from the organization.
- How much revenue does ILLINOIS ASSOCIATION OF ORTHOPAEDIC SURGEON have?
- On its 990-EZ for the year ended December 31, 2024 it reported revenue of $45,075, expenses of $41,726 and total assets of $120,019 at year end.
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