Nonprofit · EIN 27-3832515
CORNERSTONE MEDICAL SERVICES FOUNDATION
Tax-exempt · FEDERAL WAY, WA 98003
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $84,100 | $139,860 | -$55,760 | $30,661 | $0 | $30,661 |
| December 31, 2024 | 990 | $129,707 | $95,463 | $34,244 | $86,421 | $0 | $86,421 |
| December 31, 2023 | 990 | $45,028 | $108,292 | -$63,264 | $52,177 | $0 | $52,177 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $84,097
- of which government grants
- $55,600
- Program service revenue
- $0
- Investment income
- $3
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Accounting fees
- $3,950
- Occupancy
- $16,800
- Depreciation
- $2,038
- Program services (functional)
- $113,500
- Management and general (functional)
- $26,360
Balance sheet and other
- Total assets, start of year
- $86,421
- Total assets, end of year
- $30,661
- Total liabilities, end of year
- $0
- Net assets, end of year
- $30,661
- Land, buildings and equipment
- $5,095
- Net assets without donor restrictions
- $21,107
- Net assets with donor restrictions
- $9,554
- Gross receipts
- $84,100
- Employees
- 0
- Year formed
- 2010
- State of legal domicile
- WA
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 |
|---|---|---|---|
| MYUNGJA MIA LEE | PRESIDENT Trustee or director, Officer | – | $0 |
| ROSA HYUNSOOK HWANG | TREASURER Officer | – | $0 |
| CHRIS KIM | CHAIRMAN Officer | – | $0 |
| MI HYEON KIM | SECRETARY Officer | – | $0 |
| TAIK LEE | PR AND IT MA Officer | – | $0 |
990 for the year ended December 31, 2024: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MYUNGJA MIA LEE | PRESIDENT Trustee or director, Officer | – | $0 |
| ROSA HYUNSOOK HWANG | TREASURER Officer | – | $0 |
| CHRIS KIM | CHAIRMAN Officer | – | $0 |
| MI HYEON KIM | SECRETARY Officer | – | $0 |
| TAIK LEE | PR AND IT MA Officer | – | $0 |
990 for the year ended December 31, 2023: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MYUNGJA MIA LEE | PRESIDENT Trustee or director, Officer | – | $0 |
| ROSA HYUNSOOK HWANG | TREASURER Officer | – | $0 |
| CHRIS KIM | CHAIRMAN Officer | – | $0 |
| MI HYEON KIM | SECRETARY Officer | – | $0 |
| TAIK LEE | PR AND IT MA Officer | – | $0 |
Address and contacts
- Address (IRS master file)
- 32123 1ST AVE S STE A1, FEDERAL WAY, WA 98003-5720
- In care of
- % SANGHYOU JOO
- Mailing address (990-N for 2021)
- 32123 1ST AVE S, FEDERAL WAY WA 98003
- Principal officer (990 for 2025)
- MYUNGJA MIA LEE, 100 CASCADE KY, BELLEVUE, WA 98006
- Principal officer (990-N for 2021)
- JAI JUN BYEON, 32123 1ST AVE S, FEDERAL WAY WA 98003
- Signed the 990
- MYUNGJA MIA LEE, PRESIDENT
- Phone
- (206) 327-2433
- Website
- HTTP://CMSCLINIC.ORG
- Return prepared by
- SHK GROUP PLLC
Mission
OUR MISSION IS TO IMPROVE THE HEALTH ACCESS AND OUTCOMES FOR THE UNDERSERVED, LIMITED ENGLISH PROFICIENCY IMMIGRANTS WITH A VISION THAT THE PERSONS WHO TAKES CARE OF OTHERS EXPERIENCE THE MOST POWERFUL FORM OF EQUITY
Program accomplishments
- PROVIDED FREE DOCTOR'S CONSULTATIONS, FREE PRESCRIPTION SERVICES, FREE LAB TESTS, FREE DENTAL SERVICES, FREE ACUPUNCTURE SERVICES, FREE PSYCHOLOGY COUNSELING SERVICES FOR UNINSURED LOW INCOME FAMILIES.Expenses $111,462
- PROVIDED FREE DOCTOR'S CONSULTATIONS, FREE PRESCRIPTION SERVICES, FREE LAB TESTS, FREE DENTAL SERVICES, FREE ACUPUNCTURE SERVICES, FREE PSYCHOLOGY COUNSELING SERVICES FOR UNINSURED LOW INCOME FAMILIES.Expenses $2,038
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
- 27-3832515
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Hospital or medical research organization
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2011
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Health care (E32)
- Assets (IRS master file)
- $30,661
- Income (IRS master file)
- $84,100
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $84,100 | $139,860 | $30,661 | IRS |
| 990 | December 2024 | $129,707 | $95,463 | $86,421 | XML |
| 990 | December 2023 | $45,028 | $108,292 | $52,177 | XML |
| 990 | December 2022 | $115,405 | $10,554 | $115,441 | IRS |
| 990-N for 2021 Officer: JAI JUN BYEON | December 31, 2021 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2020 Officer: JAI JUN BYEON | December 31, 2020 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2019 Officer: JAI JUN BYEON | December 31, 2019 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990 | December 2018 | – | – | – | 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 27-3832515).
Questions about CORNERSTONE MEDICAL SERVICES FOUNDATION
- What is the EIN of CORNERSTONE MEDICAL SERVICES FOUNDATION?
- The employer identification number (EIN) of CORNERSTONE MEDICAL SERVICES FOUNDATION is 27-3832515.
- Is CORNERSTONE MEDICAL SERVICES FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2011.
- Are donations to CORNERSTONE MEDICAL SERVICES FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does CORNERSTONE MEDICAL SERVICES 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 CORNERSTONE MEDICAL SERVICES 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 CORNERSTONE MEDICAL SERVICES 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 CORNERSTONE MEDICAL SERVICES FOUNDATION?
- The 990 for the year ended December 31, 2025 names MYUNGJA MIA LEE.
- Who are the officers and directors of CORNERSTONE MEDICAL SERVICES FOUNDATION?
- The 990 for the year ended December 31, 2025 lists 5 people; 0 received compensation from the organization.
- How much revenue does CORNERSTONE MEDICAL SERVICES FOUNDATION have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $84,100, expenses of $139,860 and total assets of $30,661 at year end.
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