We serve the most in need. Our programs serve one in five San Mateo County residents, representing diverse, low-income individuals and families, seniors, people with disabilities, and children with complex medical conditions. 

Current membership is more than 155,000

Medi-CalState and federally funded health insurance program for low-income individuals and families121,000
CareAdvantageHealth insurance program for people with both Medicare and Medi-Cal8,800
Whole Child Model (WCM) A partnership between HPSM and San Mateo County to deliver coordinated care and services to eligible kids with complex medical conditions1,500
HealthWorx HMOHealth insurance program for In-Home Services and Support (IHSS) providers and eligible employees of the city of San Mateo1,200
San Mateo County ACE ProgramLocally funded health care program for low-income adults who do not qualify for other health insurance (HPSM serves as the third-party administrator)25,500


HPSM's members range across all age groups, from newborns to seniors

Primary Languages

About half of HPSM's members speak a primary language other than English.