By State · SAMHSA-verified directory
Addiction treatment in Massachusetts
423 verified treatment centers across Massachusetts. Overdose rate 32.8 per 100,000 (CDC 2023) · Medicaid expanded.
423
Centers
20
Cities
Expanded
Medicaid
24/7
Helpline
Treatment centers in Massachusetts
Every listing sourced from SAMHSA Treatment Services Locator.
Brien Center Mental Health/Substance Abuse Servs
Great Barrington, MA
CHD Outpatient Behavioral Health Servs
Orange, MA
Boston Comprehensive Treatment Center
Boston, MA
Advanced Psych Services
Worcester, MA
Cove Behavioral Health
Hyannis, MA
Home Base Program
Charlestown, MA
Center for Anxiety Boston
MA
Harmony House Juvenile Only
New Bedford, MA
Boston Healthcare for the Homeless
Boston, MA
Saint Marys Home for Children
Dorchester, MA
Cambridge Eating Disorder Center
Cambridge, MA
Polara Health Connections Center
Fitchburg, MA
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Cities in Massachusetts with verified facilities
20 cities. Click through for city-specific listings.
Swansea
36 centers
Cambridge
24 centers
Worcester
20 centers
Millbury
17 centers
Boston
17 centers
Concord
13 centers
Springfield
12 centers
Brockton
11 centers
Mattapan
10 centers
Quincy
9 centers
New Bedford
9 centers
Holyoke
8 centers
Framingham
8 centers
Great Barrington
7 centers
Fall River
7 centers
Somerville
5 centers
Norwell
5 centers
Newburyport
5 centers
Haverhill
5 centers
Falmouth
5 centers
Understanding treatment in Massachusetts
The 423 licensed addiction-treatment facilities in Massachusetts operate within a regulatory framework defined by state law, federal parity requirements (MHPAEA, as strengthened by the 2024 final rule), and the clinical criteria each facility elects to adopt. This document evaluates that landscape systematically.
The Medicaid question
Regarding Medicaid: Massachusetts expanded Medicaid in 2014 under the Affordable Care Act. Has realistic access to Medicaid coverage for addiction treatment once enrolled. The policy distinction is particularly salient because it determines whether the state's uninsured low-income adult population has a reliable pathway into the treatment system or must navigate non-Medicaid options (county funds, sliding scale, charity care).
The overdose-mortality context
Drug-overdose mortality in Massachusetts: 32.8 deaths per 100,000 residents (CDC final 2023 data). This places the state within a specific cluster of the national distribution and carries implications for treatment prioritization — particularly around fentanyl test-strip distribution, naloxone availability, and MAT induction capacity at emergency-department and community-treatment points of entry. The specific context: integrated state-funded treatment system strains under high demand.
How access actually works in Massachusetts
Treatment-access analysis for Massachusetts requires disaggregating three data points: provider-network adequacy (defined by the state's MHPAEA compliance framework), geographic density of in-network facilities within reasonable travel distance, and clinical-framework alignment with ASAM 4e standards. The practical context here is that integrated state-funded treatment system strains under high demand — which is why the operational first step for patients is to request the insurer's provider-network adequacy analysis, which under the 2024 parity rule must be produced upon request.
What to do next
Three institutional documents should be obtained before facility admission in Massachusetts: (1) a current Summary of Benefits and Coverage from the insurer; (2) the plan's behavioral-health medical-necessity criteria (disclosable under 2024 parity rule); (3) a verification-of-benefits letter from the proposed facility's utilization-review team. Admission without these three risks a post-admission cost-sharing dispute that is administratively expensive to resolve.
Last updated April 2026. Sources: SAMHSA Treatment Locator, CDC WONDER (overdose mortality 2023), KFF Medicaid Tracker, ASAM Criteria 4e. See our editorial policy.