Prima Medical Foundation
Public records show a registered, tax-exempt organization in good standing.
What it says it does
TO PERFORM AND CARRY OUT CHARITABLE HEALTHCARE FUNCTIONS AND PURPOSES BY ESTABLISHING, OPERATING, AND MAINTAINING MULTI-SPECIALTY MEDICAL CLINICS FOR THE PROVISION OF HEALTHCARE SERVICES IN CALIFORNIA; AND BY ENGAGING IN, SPONSORING, ADVANCING, ENCOURAGING, AND PROMOTING CHARITABLE HEALTHCARE, EDUCATIONAL, AND MEDICAL RESEARCH ACTIVITIES.
- Income
- $208.7 million
- Spending
- $208.7 million
- Spent on programs
- 99%
- Reserves
- -0.3 months of spending
- Largest source of income
- fees for its services, 83%
- Employees
- 535
- Volunteers
- 10
- Highest pay
- $2.1 million, chair / ceo of mhmc
Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Financial health
Weak: 44 out of 100. Higher than 21% of charities in its peer group (health care, over $100m).
Reserves
0 of 35Spendable reserves are negative: it owes or has committed more than it holds.
Debt
2 of 20It owes 95% of what it owns.
Living within its means
12 of 15Income exceeded spending by 0% of income.
Income trend
15 of 15Income rose 21% on the year before.
Spending floor
15 of 1599% of spending went to programs and raising each dollar of donations cost 0 cents.
Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Governance
Strong: 95 out of 100. Higher than 36% of charities in its peer group (health care, over $100m).
Independent board
25 of 257 of 11 voting board members are independent.
Conflict of interest policy
15 of 15Has a written conflict of interest policy.
Whistleblower policy
8 of 8Has a written whistleblower policy.
Record keeping policy
7 of 7Has a written policy on keeping and destroying records.
Board minutes
5 of 5Keeps minutes of board meetings.
Board sees the tax return
10 of 10Gave the board a copy of this return before filing it.
Pay set independently
0 of 5Reports no independent review process for its chief executive's pay.
Independent check of accounts
15 of 15Its accounts were audited by an independent accountant.
No reported misuse
10 of 10Reports no diversion of assets, excess benefits or loans to insiders.
Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Impact evidence
Describes programs. Its tax return describes what it does but we have found no measurable results in it.
Programs described in its return (1)
- $206.8 million spent. PRIMA MEDICAL FOUNDATION (DBA MARINHEALTH MEDICAL NETWORK) IS A NONPROFIT PUBLIC BENEFIT CORPORATION WHICH PROVIDES MEDICAL SERVICES IN CONJUNCTION WITH PRIMA MEDICAL GROUP, INC. (PURSUANT TO A PROFESSIONAL SERVICES AGREEMENT), A CALIFORNIA PROFESSIONAL MEDICAL CORPORATION. MARINHEALTH MEDICAL NETWORK PROVIDES THESE MEDICAL SERVICES TO BOTH INSURED AND UNINSURED RESIDENTS LOCATED PRIMARILY IN MARIN AND SONOMA COUNTIES. THANKS TO A STRATEGIC ALLIANCE, MARINHEALTH MEDICAL NETWORK PRACTICES ARE PART OF UCSF HEALTH, AND BACKED BY THE EXPERTISE OF MARINHEALTH MEDICAL CENTER. OUR PRIMARY CARE PROVIDERS AND SPECIALISTS COVER A WIDE RANGE OF PRACTICES, INCLUDING: AFTER-HOURS CARE (ADULT & PEDIATRIC); CARDIOVASCULAR MEDICINE; EAR, NOSE AND THROAT; FAMILY MEDICINE; GENERAL & COLORECTAL SURGERY; HEAD & NECK SURGERY; INTERNAL MEDICINE; OB/GYN & MIDWIFERY; PEDIATRIC CARE; PSYCHIATRY; SUPPORTIVE CARE; UROLOGY; WOMEN'S CARE; BREAST SURGICAL ONCOLOGY; CRITICAL CARE & PULMONOLOGY; ENDOCRINE & DIABETES CARE; GASTROENTEROLOGY; GYNECOLOGIC SURGERY; INFECTIOUS DISEASE; NEUROLOGY; ORTHOPEDIC SURGERY; PRIMARY CARE; RHEUMATOLOGY; UROGYNECOLOGY; AND VASCULAR MEDICINE.
Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Legitimacy checks
Is it registered with the IRS? Passed.
Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.
Has the IRS revoked its tax-exempt status? Passed.
Not on the IRS automatic revocation list.
Source: Automatic revocation of exemption list, Internal Revenue Service, file dated September 30, 2026.
Are donations tax-deductible? Passed.
On the IRS list of organizations eligible to receive tax-deductible contributions.
Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated September 10, 2026.
Is it keeping up with its IRS filings? Passed.
Most recent return on file covers the year ending December 2024.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.
How long has it been tax-exempt? Passed.
Recognized by the IRS since August 2014.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.
Is it in good standing with state regulators? Passed.
Not on California's list of charities barred from soliciting. Other states are not yet checked.
Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated October 7, 2026.
Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.