Addiction Treatment Companies in Nashua, New Hampshire

Compare Addiction Treatment businesses in Nashua, New Hampshire using available location, website, phone, and business profile information.

Addiction Treatment Companies in Nashua

Tang currently lists 7 addiction treatment business records in Nashua, New Hampshire. Use the comparison below to review available contact and location information, then open each company profile for more details.

These listings are not a “best” ranking. Ratings, review counts, services, and verification dates are shown only when recorded. Nearby results, where available, are labeled separately.

Directory snapshot updated: 2026-10-12. Individual record verification dates may differ.

Compare businesses on this page

The first 6 listings in directory order, not a quality ranking. “-” means the information is unavailable, not zero.

Business comparison using available directory records
BusinessGoogle RatingsReviewsLocationWebsitePhone
The Process Recovery Center4.9169Nashua, New Hampshiretheprocessrecoverycenter.com+1 603-704-3620
Harbor Care4.5207Nashua, New Hampshireharborcarenh.org+1 603-821-7788
Harbor Care4.5207Nashua, New Hampshireharborcarenh.org+1 603-821-7788
Gatehouse Sober Community3.97Nashua, New Hampshiregatehousesobercommunity.com+1 855-448-3638
GateHouse Treatment4.284Nashua, New Hampshiregatehousetreatment.com+1 866-716-3749
Discover Health Group4.981Nashua, New Hampshirediscoverhealthgroup.com+1 603-316-6148

Ratings are recorded values, not independent endorsements. Confirm current availability and details directly with the business.

7 Addiction Treatment companies in Nashua · showing 3 nearby within 100 miles.

In Nashua

4.9(169 reviews)Google
21 Factory St., Nashua, New Hampshire 03060
Addiction Treatment Email listed Phone listed

The Process Recovery Center offers a range of drug and alcohol treatment options, including medically supervised detox, partial hospitalization, intensive outpatient, and sober‑living programs. The facility emphasizes individualized care, evidence‑based therapies, and a continuum of support, with a focus on relapse prevention and long‑term recovery for clients seeking lasting sobriety and improved well‑being.

+1 603-704-3620 in••••••@theprocessrecoverycenter.com theprocessrecoverycenter.com
4.5(207 reviews)Google
45 High Street, Nashua, New Hampshire 03060
Addiction Treatment Email listed Phone listed

Harbor Care offers integrated housing, healthcare, and veteran services across New Hampshire, including transitional and permanent housing, primary and dental care, mental health and substance‑use treatment, and veteran‑focused employment and suicide‑prevention programs. The organization emphasizes dignity, community, and a holistic approach, with a patient portal, volunteer opportunities, and a strong online presence for support.

+1 603-821-7788 ss••••••@harborcarenh.org harborcarenh.org
4.5(207 reviews)Google
77 Northeastern Blvd., Nashua, New Hampshire 03062
Addiction Treatment Email listed Phone listed

Harbor Care offers integrated housing, healthcare, and veteran services across New Hampshire, including transitional and permanent housing, primary and dental care, mental health and substance‑use treatment, and veteran‑focused employment and suicide‑prevention programs. The organization emphasizes dignity, community, and a holistic approach, with a patient portal, volunteer opportunities, and a strong online presence for support.

+1 603-821-7788 ss••••••@harborcarenh.org harborcarenh.org
3.9(7 reviews)Google
131 Daniel Webster Hwy APT 112, Nashua, New Hampshire 03060
Addiction Treatment Email listed Phone listed

Gate House Sober Community offers a structured sober living environment with a 12‑step program, 24‑hour supervision, and a supportive house culture. Residents benefit from a 30‑day minimum stay, a $1,200 monthly fee, and a $1,000 deposit. The facility emphasizes accountability, community, and a clear path toward lasting sobriety and personal growth.

+1 855-448-3638 ge••••••@gatehousesobercommunity.com gatehousesobercommunity.com
4.2(84 reviews)Google
491 Amherst St, Suite 105, Nashua, New Hampshire 03063
Addiction Treatment Email listed Phone listed

GateHouse Treatment offers a range of addiction services, including inpatient, outpatient, and medication‑assisted programs. The facility emphasizes a holistic, evidence‑based approach, featuring a 12‑step model, family therapy, and a 12‑month aftercare plan. It holds NHCORR, Joint Commission, and Recovery‑Friendly Workplace accreditations, and accepts most insurance plans.

+1 866-716-3749 ad••••••@gatehousetreatment.com gatehousetreatment.com
4.9(81 reviews)Google
74 Northeastern Blvd, Suite 21 AB, Nashua, New Hampshire 03062
Addiction Treatment Email listed Phone listed

Discover Health Group offers evidence‑based addiction treatment in Nashua, featuring partial hospitalization, intensive outpatient, and medication‑assisted programs. The center treats alcohol, opioids, stimulants, and dual‑diagnosis disorders, with a 100% success rate and 100% family‑satisfaction rating. Services include family therapy, sober living, and 24/7 after‑care support for patients and families.

+1 603-316-6148 in••••••@discoverhealthatc.com discoverhealthgroup.com
4.2(27 reviews)Google
155 Main Dunstable Rd, Suite 200, Nashua, New Hampshire 03060
Addiction Treatment Email listed Phone listed

MAT Care Clinics offers Medication‑Assisted Treatment (MAT) for opioid and alcohol addiction, using FDA‑approved drugs such as Suboxone. Patients can schedule same‑day or telehealth appointments, receive free phone consultations, and access services in Nashua and Manchester, NH. The clinic also provides TMS therapy for depression and psychiatry support.

+1 833-659-8281 in••••••@matcareclinics.com matcareclinics.com

Near Nashua

Closest available companies in nearby cities.

4.9(165 reviews)Google
41 Sagamore Park Road, Hudson, New Hampshire 03051
Addiction Treatment Email listed Phone listed

Heartfelt Recovery Centers offers Joint Commission‑accredited outpatient addiction treatment in New Hampshire, featuring Partial Hospitalization, Intensive Outpatient, and standard Outpatient programs. Services include dual‑diagnosis care, medication‑assisted treatment, and telehealth options. The center accepts most major insurance plans, provides same‑day assessments, and coordinates detox placements for patients seeking recovery support.

+1 603-207-1633 in••••••@heartfeltrecoverycenters.com heartfeltrecoverycenters.com
4.9(44 reviews)Google
31A Tsienneto Rd, Londonderry, New Hampshire 03053
Addiction Treatment Phone listed

Clear Steps Recovery offers a full continuum of outpatient addiction treatment, including day, intensive outpatient, and partial hospitalization programs, plus medication‑assisted therapy. The center features evidence‑based CBT and DBT, family support, and specialized tracks for trauma, postpartum, and college students. It holds Joint Commission accreditation, LegitScript certification, and VA Community Care approval.

4.2(27 reviews)Google
293 Wilson Street, Manchester, New Hampshire 03103
Addiction Treatment Email listed Phone listed

MAT Care Clinics offers Medication‑Assisted Treatment (MAT) for opioid and alcohol addiction, using FDA‑approved drugs such as Suboxone. Patients can schedule same‑day or telehealth appointments, receive free phone consultations, and access services in Nashua and Manchester, NH. The clinic also provides TMS therapy for depression and psychiatry support.

+1 833-659-8281 in••••••@matcareclinics.com matcareclinics.com