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Community health centers in California

California has 1,828 community health center clinics in 435 cities, run by 214 health centers that served 6,261,241 patients in 2025. Fees are on a sliding scale by income and insurance, and every patient is seen regardless of ability to pay.

The median clinic in California is open 40 hours a week.
Half of California health centers have 8% or more uninsured patients (U.S. median: 14%).
Most clinics in one city: Los Angeles with 186.

How California health centers compare

Median across California health centers	California	U.S.
Uninsured patients	8%	14%
Patients at or below the poverty line	75%	65%
Medicaid or CHIP patients	71%	42%
Adults with blood pressure under control	68%	68%
Women 52–74 screened for breast cancer	59%	54%
Adults 46–75 screened for colorectal cancer	44%	44%

Largest health centers in California

Health center	Based in	Patients	Uninsured	Clinics
Alta Med Health Services Corporation	Commerce	312,739	6%	57
Family Healthcare Network	Visalia	255,355	8%	38
United Health Centers of the San Joaquin Valley	Fresno	195,622	10%	39
Family Health Centers of San Diego, Inc.	San Diego	166,072	25%	45
Golden Valley Health Center	Merced	161,398	4%	34
Clinica Sierra Vista	Bakersfield	158,156	7%	30
Centro de Salud de la Comunidad San Ysidro, Inc.	San Ysidro	138,959	9%	32
Omni Family Health	Bakersfield	129,068	7%	43
Community Hlth Cntrs/Central Coasts	Nipomo	124,834	9%	27
St. John's Community Health	Los Angeles	120,005	11%	16
Community Medical Centers, Inc.	Stockton	114,196	11%	23
Riverside County Health System	Riverside	113,927	4%	13

Cities with the most clinics

All California cities with a community health center

All community health centers based in California

New here? Read how sliding-fee pricing works.