About McLean Ambulatory Treatment Center
Mass General Brigham McLean is a dual diMcLean Ambulatory Treatment Center in Ashburnham, Massachusetts assists adults living with substance use disorders and co-occurring mental health conditions.
They help guests through a blend of therapy, skill development and peer support.
Set in a private, waterfront environment it pairs an academic-hospital environment with a calm setting designed to support meaningful recovery.
Dual Diagnosis Recovery
The center's focus is treating adults who need substance use care alongside mental health support.
Programs address alcohol and opioid use disorders while integrating co-occurring conditions into one coordinated plan.
Population tracks include program for men, women, young adults and military clients.
Treatment includes approaches such as cognitive behavioral therapy, motivational interviewing and family therapy, along with group work and trauma-informed care.
Sessions combine psychoeducation, skill building and peer support, with medication consultation available as appropriate.
Serene Treatment Setting
The Ashburnham location offers a private, waterfront setting that stands apart from more urban outpatient programs.
This peaceful atmosphere gives adults space to focus on healing while accessing structured, expert-guided treatment.
The center is part of the McLean Hospital and Mass General Brigham network and accepts Medicaid, Medicare, TRICARE, private insurance and self-pay, with sliding scale and financial aid options noted.





