Haart
20094 Mission Boulevard, Hayward, CA 94541

7 facilities in Hayward, CA list mat services, about 44% of the 16 treatment providers in the city.
Medication-assisted treatment pairs counseling with FDA-approved medication: buprenorphine (Suboxone and similar), naltrexone (Vivitrol) or methadone for opioid use disorder, and naltrexone or acamprosate for alcohol use disorder. MAT lowers the risk of overdose death.
20094 Mission Boulevard, Hayward, CA 94541
795 Fletcher Lane, Hayward, CA 94544
870 Melvin Ct, Hayward, CA 94541
20094 Mission Boulevard, Hayward, CA
20094 Mission Blvd., Hayward, CA 94541
26081 Mocine Ave, Hayward, CA
795 Fletcher Lane, Hayward, CA 94544
We list 7 facilities in Hayward, CA reporting mat services. Call ahead to confirm availability and wait times.
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.