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 (743)
- Orange County (261)
- San Diego County (152)
- Riverside County (111)
- San Bernardino County (56)
- Sacramento County (55)
- Ventura County (52)
- Alameda County (43)
- Fresno County (39)
- Contra Costa County (37)
- Kern County (34)
- San Francisco County (32)
- Placer County (29)
- Santa Clara County (27)
- Sonoma County (24)
- San Joaquin County (23)
- Marin County (22)
- San Mateo County (19)
- Santa Barbara County (18)
- Stanislaus County (17)
- Santa Cruz County (15)
- Tulare County (15)
- San Luis Obispo County (14)
- El Dorado County (14)
- Monterey County (14)
- Butte County (12)
- Solano County (12)
- Shasta County (10)
- Yolo County (8)
- Sutter County (8)
- Merced County (7)
- Yuba County (7)
- Mendocino County (7)
- Kings County (6)
- Lake County (6)
- Nevada County (6)
- Napa County (5)
- Madera County (5)
- Humboldt 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)