Nonprofit · EIN 36-3618839
INSTITUTE FOR THE STUDY AND TREATMENT OF ENDOMETRIOSIS
Tax-exempt · OAK PARK, IL 60302
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990-PF | $17,993 | $6,030 | $11,963 | $644,019 | $11,584 | $632,435 |
| December 31, 2023 | 990-PF | $35,070 | $5,349 | $29,721 | $643,366 | $11,584 | $631,782 |
Financial details: 990-PF for the year ended December 31, 2024
Revenue
- Dividends
- $17,993
Expenses
- Grants and similar amounts paid
- $0
- Disbursements for charitable purposes
- $6,030
- Excise tax on investment income
- $250
Balance sheet and other
- Total assets, start of year
- $643,366
- Total assets, end of year
- $644,019
- Total liabilities, end of year
- $11,584
- Net assets, end of year
- $632,435
- Fair market value of assets
- $507,368
- Qualifying distributions
- $6,030
- Net investment income
- $17,993
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-PF for the year ended December 31, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| WP DMOWSKI MD 2425 W 22ND STREET, OAK BROOK, IL 60523 | President | 30 | $0 |
990-PF for the year ended December 31, 2023: 1 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| WP DMOWSKI MD 2425 W 22ND STREET, OAK BROOK, IL 60523 | President | 30 | $0 |
Address and contacts
- Address (IRS master file)
- 300 N MAPLE AVE APT 9, OAK PARK, IL 60302-1846
- Signed the 990-PF
- WP DMOWSKI MD, President
- Phone
- (630) 290-3824
- Return prepared by
- OLSON LUCZAK & VOORHEES LLC
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. 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-PF on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-PF on file |
IRS record
- EIN
- 36-3618839
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private non-operating foundation
- Donations deductible (Pub 78)
- Private foundation, 30% limit
- Exempt since
- 1989
- Accounting year ends
- December
- Files
- Form 990-PF
- Assets (IRS master file)
- $644,019
- Income (IRS master file)
- $17,993
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2024 | $17,993 | $6,030 | $644,019 | XML |
| 990-PF | December 2023 | $35,070 | $5,349 | $643,366 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | 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 36-3618839).
Questions about INSTITUTE FOR THE STUDY AND TREATMENT OF ENDOMETRIOSIS
- What is the EIN of INSTITUTE FOR THE STUDY AND TREATMENT OF ENDOMETRIOSIS?
- The employer identification number (EIN) of INSTITUTE FOR THE STUDY AND TREATMENT OF ENDOMETRIOSIS is 36-3618839.
- Is INSTITUTE FOR THE STUDY AND TREATMENT OF ENDOMETRIOSIS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1989.
- Are donations to INSTITUTE FOR THE STUDY AND TREATMENT OF ENDOMETRIOSIS tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does INSTITUTE FOR THE STUDY AND TREATMENT OF ENDOMETRIOSIS file?
- Form 990-PF. Private foundations file every year.
- When is the next return of INSTITUTE FOR THE STUDY AND TREATMENT OF ENDOMETRIOSIS 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 INSTITUTE FOR THE STUDY AND TREATMENT OF ENDOMETRIOSIS last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2024.
- Who are the officers and directors of INSTITUTE FOR THE STUDY AND TREATMENT OF ENDOMETRIOSIS?
- The 990-PF for the year ended December 31, 2024 lists 1 person; 0 received compensation from the organization.
- How much revenue does INSTITUTE FOR THE STUDY AND TREATMENT OF ENDOMETRIOSIS have?
- On its 990-PF for the year ended December 31, 2024 it reported revenue of $17,993, expenses of $6,030 and total assets of $644,019 at year end.
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