John Colby
Clinical Social Work/Therapist
Verified by Psychology Today Verified by Psychology Today
155 Main Dunstable Road, Suite 130, Nashua, NH 03060
Let's Connect (603) 691-1451
GateHouse Treatment in Nashua, NH specializes in adults battling addiction to opioids (Fentanyl, Heroin, Oxycodone), stimulants (Cocaine, Methamphetamine), alcohol, and polysubstance use. Our clients seek structured, compassionate care to rebuild their lives.
We offer Detox, PHP, IOP, and OP programs paired with sober living to address both recovery and community reintegration. Combining evidence-based therapies—medical care, trauma counseling, relapse prevention, and family programs—we tailor plans to your unique needs.
Your Journey to Lasting Sobriety Begins Here. Contact us Today!
Crafting personalized Detox/PHP/IOP/OP plans for individuals living in Nashua, NH and surrounding areas. Our compassionate, evidence-based care tackles addiction’s roots with medical support, counseling, relapse prevention, trauma therapy, and family programs.
Discover Care Designed for Lasting Sobriety - Call for a Consultation!
At GateHouse Treatment, we believe lasting recovery thrives on personalized care, not rigid timelines. Whether your first step or renewed commitment, our evidence-based programs empower a balanced, sober way of living.
Call for More Information - Connect with Admissions Today!
Call or Email John Colby now for a free 15 minute consultation - (603) 691-1451
Let's Connect (603) 691-1451
Finances
Payment Methods
ACH Bank transfer, American Express, Cash, Check, Discover, Health Savings Account, Mastercard, Paypal, Visa, WireInsurance
- Aetna
- Anthem
- Blue Care Network
- Blue Cross
- Blue Shield
- BlueCross and BlueShield
- Carelon Behavioral Health
- Cigna and Evernorth
- EmblemHealth
- Empire Blue Cross Blue Shield
- GEHA
- Great-West Life
- Harvard Pilgrim
- Highmark
- Humana
- Medicaid
- MultiPlan
- New Directions | Lucet
- Optum
- Tufts
- UnitedHealthcare UHC | UBH
- Value Options
John Colby
Clinical Social Work/Therapist
Call or Email me for a free 15 minute consultation now - (603) 691-1451
Qualifications
- Verified by Psychology Today Expired Licensed by State of Massachusetts / 222489 John ColbyLicense state differs from primary location state.
- In Practice for 10 years
Education and Years In Practice
John Colby
Clinical Social Work/Therapist
Feel free to ask about qualifications and training experience. Email or (603) 691-1451
Specialties and Expertise
Top Specialties
- Drug & Alcohol Rehab, IOP, OP, PHP & Detox
- Addiction
- Alcohol Use
Expertise
- Codependency
- Drug Abuse
- Medical Detox
- Medication Management
- Substance Use
- Telehealth Services, Court-Ordered Rehab
- Veterans
John Colby
Clinical Social Work/Therapist
Call or Email me for a free 15 minute consultation now - (603) 691-1451
Client Focus
Age
Adults
Participants
Individuals ,
Family ,
Group
Communities
Bisexual Allied ,
Gay Allied ,
Lesbian Allied ,
Queer Allied ,
Transgender Allied
Age
Adults
Participants
Individuals ,
Family ,
Group
Communities
Bisexual Allied ,
Gay Allied ,
Lesbian Allied ,
Queer Allied ,
Transgender Allied
Treatment Approach
Types of Therapy
- Acceptance and Commitment (ACT)
- IOP, OP, PHP & Detox
- Person-Centered
- Structural Family Therapy
- Telehealth Services, Court-Ordered Rehab
- Trauma Focused
John Colby
Clinical Social Work/Therapist
Call or Email me for a free 15 minute consultation now - (603) 691-1451
Location
Primary Location
Gatehouse Treatment
155 Main Dunstable Road
Suite 130
Nashua, NH 03060
(603) 691-1451Email me
Additional Location
GateHouse Sober Community
131 Daniel Webster Highway
Suite 112
Nashua, NH 03060
(603) 691-1451