Greater Nashua Mental Health
Greater Nashua Mental Health is an addiction treatment facility at 440 Amherst Street in Nashua, New Hampshire, offering partial hospitalization or residential treatment, outpatient treatment, and medication-assisted treatment, according to its SAMHSA FindTreatment.gov listing as of April 10, 2026. The same record also lists opioid treatment medications. Payment options listed in the record include Cash or self-payment, Federal military insurance (e.g., TRICARE), Federal, or any government funding for substance use treatment programs, and Medicaid. The directory lists 603-889-6147 x1574 as the facility's phone number. All details on this page come from that federal record and should be confirmed directly with the facility.
440 Amherst Street, Nashua, NH, 03063
Contact & Location
Address: 440 Amherst Street, Nashua, NH, 03063
Phone: 603-889-6147 x1574
Website: https://www.gnmhc.org
Services & Programs
Treatment Types
- Opioid Medication Service Components
- Opioid Treatment Medications
- Outpatient
- Outpatient Level of Care
- Partial Hospitalization / Residential
- Substance Use Medication-Assisted Treatment
Insurance & Payment
- Cash or self-payment
- Federal military insurance (e.g., TRICARE)
- Federal, or any government funding for substance use treatment programs
- Medicaid
- Medicare
- Payment assistance (check with facility for details)
- Private health insurance
- SAMHSA funding/block grants
- Sliding fee scale (fee is based on income and other factors)
- State-financed health insurance plan other than Medicaid
Languages & Accessibility
- Sign language services for the deaf and hard of hearing
- Other languages (excluding Spanish)
Other facilities in Nashua
- Better Life Partners
866-679-0831 - GateHouse Treatment
603-945-5525 - Greater Nashua Council on Alcoholism
603-816-7788 - Groups Recover Together
888-858-1723 - Harbor Care
603-816-7788
Need Help Deciding?
Contact Greater Nashua Mental Health directly at 603-889-6147 x1574, or call the SAMHSA National Helpline for free, confidential referrals 24/7.
SAMHSA Helpline: 1-800-662-HELP