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State

Opioid treatment programs (methadone clinics) in Pennsylvania

155 treatment centers. Facilities SAMHSA lists as an opioid treatment program (OTP) or as a federally certified opioid treatment program. Certified OTPs are the programs allowed to give methadone for opioid use disorder; many also offer buprenorphine or naltrexone.

City lists

All 155 in Pennsylvania

Common questions

Opioid treatment programs (methadone clinics) in Pennsylvania: how many are there?

SAMHSA’s FindTreatment.gov directory lists 155 treatment centers in Pennsylvania that match (18% of the 846 listed in the state). Facilities SAMHSA lists as an opioid treatment program (OTP) or as a federally certified opioid treatment program. Certified OTPs are the programs allowed to give methadone for opioid use disorder; many also offer buprenorphine or naltrexone.

Which cities in Pennsylvania have the most?

Philadelphia (27), Pittsburgh (13), York (6), Bethlehem (4) and Wilkes Barre (4).

Source: SAMHSA, FindTreatment.gov (National Directory of Mental Health and Substance Use Treatment Facilities), retrieved 2026-11-11. SAMHSA publishes no separate release date for this live directory. The directory has no quality ratings, and this list is not a ranking or a recommendation. Methodology