We serve the most in need. Our six 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 143,000

Serving 1 out of every 5 San Mateo County residents

Medi-CalState and federally funded health insurance program for low-income individuals and families119,000
CareAdvantage CMCHealth insurance program for people with both Medicare and Medi-Cal9,100
California’s Children Services (CCS) PilotA 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 Mateo1,100
Healthy Kids HMOLocally funded program for low-income children who do not qualify for Medi-Cal or other health insurance1,500
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)21,200


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.