California · Listings Checked October 2026
Methadone Clinics in California
Where Can You Find Methadone Clinics in California?
SAMHSA's FindTreatment.gov lists 126 federally certified methadone clinics (opioid treatment programs) in California (checked October 2026). The most are in Los Angeles (6), Fresno (5) and Oakland (5). 112 of them accept Medicaid.
- 126Methadone Clinics
- 112Accept Medicaid
- 115Accept Medicare
- 121Also prescribe buprenorphine
- 38Also offer naltrexone
- 70Sliding fee scale
- 98Programs for pregnant women
Methadone Clinics in California by City
From SAMHSA's FindTreatment.gov listings, checked October 2026. Cities with enough listings link to their own page; others link to the city's full treatment page.
Every Listing: Methadone Clinics in California
| Facility | Phone | What It Offers for Methadone Clinics |
|---|---|---|
| Anaheim Comprehensive TreatmentAnaheim | 714-581-9181 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Bay Area Addiction Research and TrtAntioch | 925-522-0124 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale |
| Aegis Treatment Centers LLC in AtascaderoAtascadero | 805-461-5212 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Tavarua Medical Rehabilitation ServiceAzusa | 626-858-9500 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Aegis Treatment Centers LLC, 1018 21st StreetBakersfield | 661-861-9967 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Programs for pregnant women |
| Aegis Treatment Centers LLC, 501 West Columbus StreetBakersfield | 661-328-0245 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Aegis Treatment Centers LLC, 6001 Truxtun AvenueBakersfield | 661-218-2108 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Aegis Treatment Centers LLC in BanningBanning | 951-417-6612 | Accept Medicare, Also prescribe buprenorphine |
| Berkeley Addiction Treatment ServicesBerkeley | 510-644-0200 | Accept Medicaid, Also prescribe buprenorphine |
| Imperial Valley Medical Clinic Inc in CalexicoCalexico | 760-357-6566 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| BAART Programs CarmichaelCarmichael | 214-379-3300 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Aegis Treatment Centers LLC in CeresCeres | 209-353-4838 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Programs for pregnant women |
| ALT Recovery Group 2 LLCChatsworth | 818-626-8053 | Accept Medicaid, Accept Medicare, Programs for pregnant women |
| Aegis Treatment Centers LLC in ChicoChico | 530-345-3491 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Programs for pregnant women |
| Colton Comprehensive Treatment CenterColton | 909-370-1777 x100 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Sliding fee scale, Programs for pregnant women |
| Amata LLCCorona | 888-682-6282 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Sliding fee scale, Programs for pregnant women |
| Evexia Health Services in CoronaCorona | 951-427-3482 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Programs for pregnant women |
| Western Pacific Re Hab in Costa MesaCosta Mesa | 818-956-3737 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Aegis Treatment Centers LLC in DelanoDelano | 661-721-0463 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Programs for pregnant women |
| El Cajon Comprehensive Treatment CtrEl Cajon | 619-579-8373 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Sliding fee scale, Programs for pregnant women |
| Revive PathwayEl Cajon | 619-841-1310 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Programs for pregnant women |
| Imperial Valley Medical Clinic Inc in El CentroEl Centro | 760-482-0864 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Aegis Treatment Centers LLC in El MonteEl Monte | 626-471-8459 | Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Escondido Comprehensive TreatmentEscondido | 760-745-7786 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Programs for pregnant women |
| Aegis Treatment Centers LLC in EurekaEureka | 707-296-1865 | |
| MedMark Treatment Centers in FairfieldFairfield | 707-435-9911 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Programs for pregnant women |
| Aegis Treatment Centers LLC in FresnoFresno | 559-229-9041 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| BAART Behavioral Health Services Inc: Detox Program, 3103 East Cartwright AvenueFresno | 559-498-7100 x2552 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine |
| BAART Behavioral Health Services Inc: Detox Program, 539 North Van Ness AvenueFresno | 559-266-9581 | Accept Medicaid |
| BAART Programs in FresnoFresno | 214-379-3300 | Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Sliding fee scale, Programs for pregnant women |
| MedMark Treatment Centers in FresnoFresno | 559-264-2700 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Programs for pregnant women |
| Western Pacific Med Corp in FullertonFullerton | 818-956-3737 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Western Pacific Re Hab in FullertonFullerton | 818-956-3737 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Western Pacific Med Corp in GlendaleGlendale | 818-956-3737 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Western Pacific Re Hab in GlendaleGlendale | 818-956-3737 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Aegis Treatment Centers LLC in Grass ValleyGrass Valley | 530-863-8798 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Western Health Community ClinicsHarbor City | 310-534-5590 | Accept Medicare, Also prescribe buprenorphine, Sliding fee scale |
| Haart in HaywardHayward | 510-727-9755 x42 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Sliding fee scale, Programs for pregnant women |
| MedMark Treatment Centers in HaywardHayward | 214-379-3300 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Evexia Health Services in HemetHemet | 951-391-1470 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Programs for pregnant women |
| Aegis Treatment Centers LLC in HesperiaHesperia | 760-956-2462 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Aegis Treatment Centers LLC in InglewoodInglewood | 310-412-0261 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Sliding fee scale |
| El Dorado Community Service Center in InglewoodInglewood | 310-671-9294 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale |
| Addiction Research and Treatment Inc in La PuenteLa Puente | 626-855-5090 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Western Pacific Med Corp in LancasterLancaster | 818-956-3737 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Western Pacific Re Hab in LancasterLancaster | 661-949-8599 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Aegis Treatment Centers LLC in LodiLodi | 209-224-8940 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Addiction Research and Treatment Inc in Los AngelesLos Angeles | 213-353-1140 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| BAART Programs SoutheastLos Angeles | 214-379-3300 x1727 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Sliding fee scale, Programs for pregnant women |
| CLARE MatrixLos Angeles | 323-287-2023 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Sliding fee scale, Programs for pregnant women |
| MedMark Treatment Centers in Los AngelesLos Angeles | 323-242-0500 x4774 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine |
| Narcotics Prevention Association IncLos Angeles | 323-263-9700 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Sliding fee scale, Programs for pregnant women |
| VA Greater LA Healthcare SystemsLos Angeles | 310-478-3711 x53908 | Also prescribe buprenorphine, Also offer naltrexone |
| BAART Programs in LynwoodLynwood | 310-537-5883 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Sliding fee scale, Programs for pregnant women |
| Aegis Treatment Centers LLC in MantecaManteca | 209-239-9600 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Aegis Treatment Centers LLC in MarysvilleMarysville | 530-742-7747 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| American Addiction Treatment ServsMarysville | 916-640-6278 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Programs for pregnant women |
| BAART Programs San MateoMenlo Park | 650-324-1470 x2405 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Aegis Treatment Centers LLC in MercedMerced | 209-725-1060 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale |
| Western Pacific Med Corp in Mission ViejoMission Viejo | 818-956-3737 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Aegis Treatment Centers LLC in ModestoModesto | 209-527-4597 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Programs for pregnant women |
| Evexia Health Services in Moreno ValleyMoreno Valley | 951-579-6353 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Programs for pregnant women |
| Temecula Valley ComprehensiveMurrieta | 951-824-7033 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone |
| VA Greater LA Healthcare SystemNorth Hills | 310-478-3711 x31225 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Programs for pregnant women |
| Western Pacific Med Corp in NorwalkNorwalk | 818-856-3737 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Western Pacific Re Hab in NorwalkNorwalk | 818-956-3737 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Addiction Research and Treatment Inc in OaklandOakland | 510-533-0800 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Baywell HealthOakland | 510-835-9610 x2068 | Also offer naltrexone, Programs for pregnant women |
| Haart in OaklandOakland | 510-875-2300 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Sliding fee scale, Programs for pregnant women |
| Lifeline Treatment Services IncOakland | 510-777-8448 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Programs for pregnant women |
| VA Oakland Behavioral Health ClinicOakland | 510-587-3400 | Also prescribe buprenorphine, Also offer naltrexone |
| Oceanside Comprehensive TreatmentOceanside | 760-547-1280 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Programs for pregnant women |
| Aegis Treatment CenterOntario | 909-563-7076 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale |
| Aegis Treatment Centers LLC in OxnardOxnard | 805-436-2882 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale |
| Desert Comprehensive Treatment CenterPalm Springs | 760-322-9065 | Accept Medicaid, Also prescribe buprenorphine, Programs for pregnant women |
| Western Pacific Med Corp in Panorama CityPanorama City | 818-956-3737 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Western Pacific Re Hab in Panorama CityPanorama City | 818-956-3737 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Aegis Treatment Centers LLC in PasadenaPasadena | 626-794-1161 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Tavarua Health ServicesPico Rivera | 562-695-0737 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Aegis Treatment Centers LLC in PomonaPomona | 909-623-6391 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Programs for pregnant women |
| Addiction Research and Treatment Inc in PortervillePorterville | 559-853-6222 | Accept Medicaid, Accept Medicare, Sliding fee scale, Programs for pregnant women |
| Sunrise Health and Wellness Center LLCRancho Cordova | 916-366-6531 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Aegis Treatment Centers LLC in ReddingRedding | 530-222-7213 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Aegis Treatment Centers LLC in RedlandsRedlands | 909-501-5167 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Western Pacific Med Corp in ResedaReseda | 818-956-3737 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Addiction Research and Treatment Inc in RichmondRichmond | 510-232-0874 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale |
| Aegis Treatment Centers LLC in RosevilleRoseville | 916-774-6647 | Accept Medicare, Also prescribe buprenorphine, Programs for pregnant women |
| BAART Behavioral Health Services IncSacramento | 916-649-6793 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine |
| CORE Medical Clinic Inc in SacramentoSacramento | 916-442-4985 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Programs for pregnant women |
| MedMark Treatment Centers SacramentoSacramento | 916-391-4293 x4665 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Sliding fee scale, Programs for pregnant women |
| Sacramento Comprehensive TreatmentSacramento | 916-394-1000 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Community Human Services: Off Main ClinicSalinas | 831-424-4828 x600 | Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Programs for pregnant women |
| Valley Health AssociatesSalinas | 831-424-6655 x14 | Accept Medicaid, Also prescribe buprenorphine, Programs for pregnant women |
| El Dorado Community Service Center in San DiegoSan Diego | 619-263-0433 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Programs for pregnant women |
| San Diego Comprehensive TreatmentSan Diego | 858-715-1211 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Programs for pregnant women |
| Addiction Research and Treatment Inc in San FranciscoSan Francisco | 415-928-7800 x4819 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine |
| Bayview Hunters Point FoundationSan Francisco | 415-822-8200 | Accept Medicare, Also prescribe buprenorphine |
| Fort Help Mission IncSan Francisco | 415-821-1427 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Programs for pregnant women |
| San Francisco General HospitalSan Francisco | 628-206-8412 | Accept Medicaid, Also prescribe buprenorphine, Programs for pregnant women |
| Veterans Affairs Medical CenterSan Francisco | 415-221-4810 x24362 | Also prescribe buprenorphine, Also offer naltrexone |
| Central Valley ClinicSan Jose | 408-885-5400 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone |
| Perinatal Substance Abuse ProgramSan Jose | 408-885-5400 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Programs for pregnant women |
| Capalina Comprehensive TreatmentSan Marcos | 760-744-2104 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Sliding fee scale, Programs for pregnant women |
| Marin Treatment CenterSan Rafael | 415-457-3755 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Programs for pregnant women |
| Aegis Treatment Centers LLC in Simi ValleySimi Valley | 805-522-1845 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Programs for pregnant women |
| Western Pacific Med Corp in StantonStanton | 818-956-3737 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Aegis Treatment Centers LLC: 5th Street ClinicStockton | 209-463-0872 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Aegis Treatment Centers LLC: Healthy ConnectionsStockton | 209-463-0870 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine |
| Aegis Treatment Centers LLC: StocktonStockton | 209-478-2487 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| MedMark Treatment Centers in StocktonStockton | 209-938-0228 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Sliding fee scale, Programs for pregnant women |
| BAART Programs Sun ValleySun Valley | 818-768-5525 x3030 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine |
| Tarzana Treatment Centers IncTarzana | 800-996-1051 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Sliding fee scale, Programs for pregnant women |
| Pink Chances Med Corporation AddressTujunga | 888-821-7465 | Also prescribe buprenorphine, Also offer naltrexone, Programs for pregnant women |
| Kings ViewTulare | 559-688-7531 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine |
| New Life Health AuthorityUkiah | 707-466-0001 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone |
| MedMark Treatment Centers in VallejoVallejo | 707-649-8300 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Programs for pregnant women |
| Western Pacific Med Corp in Valley VillageValley Village | 818-956-3737 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| American Health Services LLC in Van NuysVan Nuys | 323-768-5508 x2301 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale |
| Western Pacific Med Corp in Van NuysVan Nuys | 818-956-3137 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| American Health Services LLC in VeniceVenice | 310-399-9883 x2201 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine |
| Western Pacific Med Corp in VenturaVentura | 805-641-9100 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| BAART Programs Visalia IncVisalia | 559-625-8890 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Sliding fee scale, Programs for pregnant women |
| Soap Mat LLCVista | 760-305-7528 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Programs for pregnant women |
| Harmonic SolutionsWalnut Creek | 925-278-1792 | Accept Medicare, Also prescribe buprenorphine, Programs for pregnant women |
| CORE Medical Clinic Inc in West SacramentoWest Sacramento | 916-796-0020 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Also offer naltrexone, Programs for pregnant women |
| Coastal Comprehensive Treatment CenterWilmington | 310-549-8383 x200 | Accept Medicaid, Accept Medicare, Also prescribe buprenorphine, Programs for pregnant women |
Every facility SAMHSA lists for this service in California, by city, checked October 2026. A listing is not an endorsement. Call to confirm services, openings and costs.
More About Methadone Clinics
Read how methadone clinics work. For the state's treatment agency, licensing and laws, see addiction treatment in California.
DHCS SUD Non-Emergency Treatment Referral Line: 1-800-879-2772.
Other services in California: rehab that takes medicaid in California, suboxone (buprenorphine) treatment in California, detox centers in California.
Frequently Asked Questions
How Many Methadone Clinics Are in California?
SAMHSA's FindTreatment.gov lists 126 federally certified methadone clinics (opioid treatment programs) in California, checked October 2026. The most are in Los Angeles (6), Fresno (5) and Oakland (5).
Do Methadone Clinics in California Accept Medicaid?
112 of the 126 listed accept Medicaid. Confirm your plan with the facility before you start.
Is There a California Treatment Helpline?
DHCS SUD Non-Emergency Treatment Referral Line: 1-800-879-2772. SAMHSA's National Helpline, 1-800-662-4357, is free, confidential and open 24/7.