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Gatehouse Treatment Center
491 Amherst St Unit 105, Nashua, NH 03063, United States
Addiction TreatmentAlcohol TreatmentLuxury Rehabs
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Gender Specific Addiction Treatment
Alumni Program
Safe Housing
About Gatehouse Treatment Center
Our facilities are intimate settings with highly focused and individualized care. GateHouse Treatment is conveniently located near many 12-step meetings and local amenities to help address all areas of addiction recovery.

Mission & Vision
We make long-term recovery from substance use disorders a reality.
Program Overview
Founded in
N/A
Program Length
28 Days
Levels of Care
MAT, PHP, OP, IOP
Housing
Yes
Languages
N/A
Conditions
N/A
Specializations
N/A
Occupancy
N/A
Treatments
Therapies
Individual Mental Health Counseling
Biofeedback Therapy
EMDR Trauma Therapy
Experiential Psycho-Dramas
Individual Therapy
Group Therapy
12-Step Integration
Co-Occurring Conditions
Depression
Anxiety
Amenities
Upgraded appliances
Comfortable furniture
Large bathrooms
Modern kitchen
Activities
Life Skills & Case Management
Health & Wellness
Professional Staff

What Our Patients Say About Us
Reviews
Gatehouse Treatment center has forever changed my life. I’ve been struggling with my addiction for a little bit and when i came to gatehouse the staff welcomed me with open arms. I cannot say enough about the staff. Kind, caring, understanding, empathetic, you name it. I love every staff member but there is a few that have truly listened to me and tried so hard to help me through the tough times. Sheila and Russell have seen me go through hell more than once and have always been extremely helpful. I first met Sheila as a BHT and she was always there for me when i needed to vent. Russell was always there to make me laugh when i feeling low. I couldn’t be more appreciative. If you need to help with your addiction Gatehouse is truly an amazing place to get help.
Marcus is the best case manager I have ever had. And he truly cares about his people. I have nothing negative at all to say about the treatment center and the folks that work there. Thank you soo much for all you guys did for me. MARCUS is the best
On my very first day at Gatehouse I was very uncomfortable if the unknown and in fear of change. I sat in the back of the class and didn't say a word until I didn't anymore. It was because of John Mylly and the rest of the staff that I came out of my shell and became a better person. I spoke in groups and I am still sober today because óf Gatehouse. Still to this day I continue to grow and be in the journey that I am in because my case manager John Mylly still picks up the phone for me and to help me. Whatever I need if he can he helps. I'm so very Grateful for the giving hearts at this program. I would highly recommend Gatehouse to anyone. I still stop in to say hi to everyone but mainly to see John he is an amazing man and he's more than willing to help anyone if he can. Thank you to all the staff at Gatehouse for the help I needed to get me where I am today.
Awesome place!! Words cannot describe how much GateHouse helped me. Friendly/professional staff. They really helped me in every way they could. Thanks again to the GateHouse staff. I didn't want or need for anything while I was there!!!
I truly love and appreciate this place. The staff here are amazing Sheila, Heidi, Kyle, cam, operations supervisor Brittany, geno, Marcus, dilyla, and mj are the ones that have impacted me the most positively. I would highly recommend this place to anyone who maybe looking to get sober. This place and its workers have helped me so much which is why I'm going give back by working here one day.