Services Overview

Keystone Hall offers a variety of residential and outpatient treatment, prevention, and recovery support services to youths, adults, and families, with a special focus on serving co-occurring mental health disorders.  Since 1983, more than 13,000 individuals have received life-saving treatment.

We also provide medical detox, PHP and MAT through our sister-agency’s Harbor Care Health and Wellness Center.

All treatment modalities and services adhere to the most advanced approaches to substance use treatment and recovery.  Keystone Hall partners with area hospitals, social service providers, and other health care professionals on an ongoing basis to ensure the highest standards of care. Program guidance and design is also provided by the American Society of Addiction Medicine, the US Department of Substance Abuse and Mental Health Services Administration, and Alcohol an Other Drug Treatment Services.

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Keystone Hall
615 Amherst Street, Nashua, NH 03063

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