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.
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.