Methadone Clinics in Fullerton, CA

4 facilities in Fullerton, CA list methadone services, about 44% of the 9 treatment providers in the city.

What to know

Methadone for opioid use disorder can only be dispensed by a federally certified opioid treatment program (OTP). Most patients visit daily at first, then earn take-home doses as treatment goes on.

Chart: 4 of 9 treatment facilities in Fullerton, CA offer methadone — Methadone Clinics in Fullerton: share of local facilities and the California average.

Methadone: 4 facilities

Western Pacific Med Corp

218 East Commonwealth Avenue, Fullerton, CA 92832

DetoxOutpatientMATMethadone (OTP)MedicaidMedicarePrivate insuranceSliding scale

Call (818) 956-3737 Details

Western Pacific Re Hab

218 East Commonwealth Avenue, Fullerton, CA 92832

DetoxOutpatientMATMethadone (OTP)MedicaidMedicarePrivate insuranceSliding scale

Call (818) 956-3737 Details

Western Pacific Med-Corp

218 East Commonwealth Ave., Fullerton, CA 92632

MATMethadone (OTP)

Call (714) 992-4770 Details

Western Pacific Rehabilitation (Fullerton)

218 East Commonwealth Ave., Fullerton, CA 92632

MATMethadone (OTP)

Call (714) 992-4770 Details

Questions

How many methadone clinics are in Fullerton?

We list 4 facilities in Fullerton, CA reporting methadone services. Call ahead to confirm availability and wait times.

How do I choose between them?

Ask each facility whether they are licensed by California, whether they accept your insurance or Medicaid, how soon they can admit you, and whether they offer medication for opioid or alcohol use disorder.

Last reviewed 2026-10-06. Facility details come from SAMHSA's FindTreatment.gov locator and facility-provided information. Confirm services, availability and payment directly with the facility.