Nonprofit · EIN 82-4188943
OAK HEALTH FOUNDATION
Tax-exempt · LAGUNA HILLS, CA 92653
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $505,402 | $579,946 | -$74,544 | $188,334 | $0 | $188,334 |
| December 31, 2024 | 990 | $344,546 | $448,896 | -$104,350 | $304,411 | $0 | $304,411 |
| December 31, 2023 | 990 | $354,804 | $253,344 | $101,460 | $391,690 | $0 | $391,690 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $162,627
- Program service revenue
- $342,775
- Investment income
- $0
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Other salaries and wages
- $375,953
- Salaries, compensation and benefits (total)
- $471,155
- Professional fundraising fees
- $6,815
- Accounting fees
- $943
- Occupancy
- $37,720
- Program services (functional)
- $532,297
- Management and general (functional)
- $40,834
- Fundraising (functional)
- $6,815
Balance sheet and other
- Total assets, start of year
- $304,411
- Total assets, end of year
- $188,334
- Total liabilities, end of year
- $0
- Net assets, end of year
- $188,334
- Net assets without donor restrictions
- $188,334
- Gross receipts
- $505,402
- Employees
- 16
- Volunteers
- 10
- Year formed
- 2018
- State of legal domicile
- CA
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 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Shana Brewer | Secretary Trustee or director, Officer | 0 | $0 |
| Dr Mijin Park | CEO Trustee or director, Officer | 0 | $0 |
| Andrew Brewer | Treasurer Trustee or director, Officer | 2 | $0 |
| Dr Esther Park | Director Trustee or director | 0 | $0 |
| Donna Lee | Director Trustee or director | 0 | $0 |
| Roger Heuser | Director Trustee or director | 0 | $0 |
| Gayle Heuser | Director Trustee or director | 0 | $0 |
| Christy Hyun | Director Trustee or director | 0 | $0 |
| Pastor Yung | Director Trustee or director | 0 | $0 |
| Kristi Nichols | Director Trustee or director | 0 | $0 |
| Michael Yanko | Director Trustee or director | 0 | $0 |
990 for the year ended December 31, 2024: 11 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Shana Brewer | Secretary Trustee or director, Officer | 0 | $31,630 |
| Dr Mijin Park | CEO Trustee or director, Officer | 20 | $0 |
| Andrew Brewer | Treasurer Trustee or director, Officer | 0 | $0 |
| Dr Esther Park | Director Trustee or director | 0 | $0 |
| Donna Lee | Director Trustee or director | 0 | $0 |
| Roger Heuser | Director Trustee or director | 0 | $0 |
| Gayle Heuser | Director Trustee or director | 0 | $0 |
| Christy Hyun | Director Trustee or director | 0 | $0 |
| Pastor Yung | Director Trustee or director | 0 | $0 |
| Kristi Nichols | Director Trustee or director | 0 | $0 |
| Michael Yanko | Director Trustee or director | 0 | $0 |
990 for the year ended December 31, 2023: 11 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Dr Mijin Park | CEO Trustee or director, Officer | 20 | $19,353 |
| Andrew Brewer | Treasurer Trustee or director, Officer | 0 | $0 |
| Shana Brewer | Secretary Trustee or director, Officer | 0 | $0 |
| Dr Esther Park | Director Trustee or director | 0 | $0 |
| Donna Lee | Director Trustee or director | 0 | $0 |
| Roger Heuser | Director Trustee or director | 0 | $0 |
| Gayle Heuser | Director Trustee or director | 0 | $0 |
| Christy Hyun | Director Trustee or director | 0 | $0 |
| Pastor Yung | Director Trustee or director | 0 | $0 |
| Kristi Nichols | Director Trustee or director | 0 | $0 |
| Michael Yanko | Director Trustee or director | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 23141 MOULTON PKWY STE 214, LAGUNA HILLS, CA 92653-1204
- In care of
- % ESTHER PARK
- Mailing address (990-N for 2021)
- 23141 Moulton Parkway Suite 213, Laguna Hills CA 92653
- Principal officer (990 for 2025)
- Andrew Brewer, 23141 Moulton Parkway, Suite 214, Laguna Hills, CA 92653
- Principal officer (990-N for 2021)
- Mijin Park, 23141 Moulton Parkway Suite 213, Laguna Hills CA 92653
- Signed the 990
- Andrew Brewer, Treasurer
- Phone
- (949) 669-4219
California records
California keeps its own records of charities and corporations. Search them by EIN 82-4188943 or by the name OAK HEALTH 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
We provided mental health services and training in mental health and wellness.
Program accomplishments
- Patients served through Fully Health clinic - 234 unique patients Medication management sessions conducted - 353 Medication management sessions conducted Psychological testing sessions provided - 44 psychological testing sessions conducted Psychotherapy sessions provided - 2,274 psychotherapy sessions provided- 15 speaking engagements with 1,900 attendees- 10 Organizations and Churches served- 26 Virtual Group Support Meetings and 12 Virtual Clinician Training Sessions.Expenses $532,297 · revenue $342,775
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 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 82-4188943
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2018
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Religion-related (X20)
- Assets (IRS master file)
- $188,334
- Income (IRS master file)
- $505,402
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $505,402 | $579,946 | $188,334 | XML |
| 990 | December 2024 | $344,546 | $448,896 | $304,411 | IRS |
| 990 | December 2023 | $354,804 | $253,344 | $391,690 | XML |
| 990 | December 2022 | $262,627 | $157,524 | $182,598 | IRS |
| 990-N for 2021 Officer: Mijin Park | December 31, 2021 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2020 Officer: Hanna Lee | December 31, 2020 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2019 Officer: Esther Park | 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 82-4188943).
Questions about OAK HEALTH FOUNDATION
- What is the EIN of OAK HEALTH FOUNDATION?
- The employer identification number (EIN) of OAK HEALTH FOUNDATION is 82-4188943.
- Is OAK HEALTH FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2018.
- Are donations to OAK HEALTH FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does OAK HEALTH FOUNDATION 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 OAK HEALTH 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 OAK HEALTH FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of OAK HEALTH FOUNDATION?
- The 990 for the year ended December 31, 2025 names Andrew Brewer.
- Who are the officers and directors of OAK HEALTH FOUNDATION?
- The 990 for the year ended December 31, 2025 lists 11 people; 0 received compensation from the organization.
- How much revenue does OAK HEALTH FOUNDATION have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $505,402, expenses of $579,946 and total assets of $188,334 at year end.
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