California has 58 counties, and county behavioral health departments run the Medi-Cal treatment system in each one. Pick a county to see its cities and licensed programs, and the county access line that handles Medi-Cal referrals.
- Los Angeles County (782)
- Orange County (271)
- San Diego County (155)
- Riverside County (114)
- Sacramento County (61)
- Ventura County (57)
- San Bernardino County (56)
- Alameda County (44)
- Fresno County (40)
- Contra Costa County (38)
- Kern County (37)
- San Francisco County (35)
- Placer County (31)
- Santa Clara County (28)
- Sonoma County (25)
- Marin County (23)
- San Joaquin County (23)
- Santa Barbara County (22)
- San Mateo County (19)
- Santa Cruz County (16)
- Stanislaus County (16)
- Tulare County (16)
- San Luis Obispo County (15)
- El Dorado County (14)
- Monterey County (14)
- Butte County (13)
- Solano County (12)
- Shasta County (12)
- Merced County (8)
- Yolo County (8)
- Sutter County (8)
- Yuba County (7)
- Mendocino County (7)
- Kings County (6)
- Lake County (6)
- Humboldt County (6)
- Nevada County (6)
- Napa County (5)
- Madera County (5)
- Siskiyou County (5)
- Tuolumne County (5)
- Calaveras County (4)
- Imperial County (4)
- Tehama County (4)
- San Benito County (4)
- Inyo County (2)
- Del Norte County (2)
- Sierra County (2)
- Amador County (2)
- Trinity County (2)
- Mariposa County (2)
- Glenn County (2)
- Modoc County (1)
- Colusa County (1)
- Mono County (1)
- Alpine County (1)
- Plumas County (1)
- Lassen County (1)