Nonprofit · EIN 46-4273301
OPENEM FOUNDATION
Tax-exempt · VENICE, CA 90291
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $43,577 | $62,069 | -$18,492 | $76,448 | $736 | $75,712 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $43,577
Expenses
- Compensation of officers, directors and key employees
- $0
- Other expenses
- $62,069
- Program services (functional)
- $55,088
Balance sheet and other
- Total assets, start of year
- $101,227
- Total assets, end of year
- $76,448
- Total liabilities, end of year
- $736
- Net assets, end of year
- $75,712
- Cash, savings and investments
- $76,448
- Gross receipts
- $43,577
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 |
|---|---|---|---|
| DANIEL OSTERMAYER MD | DIRECTOR | 1 | $0 |
| JONATHAN SANDLER JD | DIRECTOR | 1 | $0 |
| ROSS DONALDSON MD | DIRECTOR/PRESIDENT | 2 | $0 |
Address and contacts
- Address (IRS master file)
- 720 WOODLAWN AVE, VENICE, CA 90291-4853
- Mailing address (990-N for 2024)
- 720 Woodlawn Ave, Venice CA 90291
- Principal officer (990-N for 2024)
- Ross Donaldson, 720 Woodlawn Ave, Venice CA 90291
- Signed the 990-EZ
- ROSS DONALDSON, PRESIDENT
- Phone
- (310) 500-6064
- Website
- www.wikem.org
- Return prepared by
- SINGERLEWAK LLP
California records
California keeps its own records of charities and corporations. Search them by EIN 46-4273301 or by the name OPENEM FOUNDATION.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
Mission
OPENEM FOUNDATION IS A 501(C)3 NONPROFIT PUBLIC CHARITY THAT SUPPORTS WIKIEM AND ITS RELATED WORKS. OPENEM FOUNDATION IS DEDICATED TO MAKING OPEN ACCESS TO MEDICAL KNOWLEDGE POSSIBLE FOR ALL.
Program accomplishments
- THE WEBSITE WAS DESIGNED TO SUPPORT WIKEM. WIKEM, THE GLOBAL EMERGENCY MEDICINE WIKI IS THE WORLD'S LARGEST AND MOST POPULAR EMERGENCY MEDICINE OPEN-ACCESS REFERENCE RESOURCE.Expenses $55,088
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 | 990-EZ on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-N on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-N on file |
IRS record
- EIN
- 46-4273301
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2015
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Education (B70)
- Assets (IRS master file)
- $76,448
- Income (IRS master file)
- $43,577
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $43,577 | $62,069 | $76,448 | XML |
| 990-N for 2024 Officer: Ross Donaldson | December 31, 2024 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2023 Officer: Ross Donaldson | December 31, 2023 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2022 Officer: Ross Donaldson | December 31, 2022 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2021 Officer: Ross Donaldson | December 31, 2021 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2020 Officer: Ross Donaldson | December 31, 2020 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2019 Officer: Ross Donaldson | 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 46-4273301).
Questions about OPENEM FOUNDATION
- What is the EIN of OPENEM FOUNDATION?
- The employer identification number (EIN) of OPENEM FOUNDATION is 46-4273301.
- Is OPENEM FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2015.
- Are donations to OPENEM FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does OPENEM FOUNDATION file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of OPENEM FOUNDATION 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 OPENEM FOUNDATION 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 OPENEM FOUNDATION?
- The 990-N for 2024 names Ross Donaldson.
- Who are the officers and directors of OPENEM FOUNDATION?
- The 990-EZ for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
- How much revenue does OPENEM FOUNDATION have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $43,577, expenses of $62,069 and total assets of $76,448 at year end.
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