
Stonington Institute
Available 24/7 for immediate assistance
Full Address
618 Poquonnock Road
Groton, Connecticut 6340
Phone Numbers
Main: 860-445-3695
Intake: 860-535-1010
Hours
24/7 - Always Available
Stonington Institute
618 Poquonnock Road, Groton, CT 6340
Stonington Institute in Groton, CT provides comprehensive substance use treatment and co-occurring disorder services for adults and children. Specializing in evidence-based approaches like cognitive behavioral therapy, motivational interviewing, and trauma-focused counseling, the institute serves diverse populations including LGBTQ individuals, pregnant women, and seniors. Their flexible outpatient and intensive programs are accredited by The Joint Commission and state health departments.
Key Highlights
- Specialized treatment for co-occurring substance use and mental health disorders in adults and children
- Diverse program options including intensive outpatient, partial hospitalization, and medication-assisted treatment
- Tailored services for underserved populations: LGBTQ clients, pregnant/postpartum women, trauma survivors, and older adults
- Joint Commission accreditation ensuring highest standards of care and clinical quality
Who This Facility Serves
Stonington Institute is ideal for adults and adolescents struggling with substance use, particularly those with concurrent mental health conditions or trauma histories. The facility especially serves LGBTQ individuals, pregnant women, and seniors seeking compassionate, evidence-based treatment in a flexible outpatient setting.

This facility accepts various insurance plans. Contact them directly to verify coverage for your specific plan.
Stonington Institute
618 Poquonnock Road, Groton, CT 6340
Available 24/7 for immediate assistance
| Type of Care | Substance use treatment, Treatment for co-occurring substance use plus either serious mental health illness in adults/serious emotional disturbance in children |
| Service Settings | Intensive outpatient treatment, Outpatient, Outpatient day treatment or partial hospitalization, Outpatient methadone/buprenorphine or naltrexone treatment |
| Medications Offered | Buprenorphine used in Treatment, Naltrexone used in Treatment |
Accepted Payment Methods
Age Groups
Adults, Young Adults
Gender
Female, Male
Based on available information, this facility accepts Medicaid, Private health insurance, State-financed health insurance plan other than Medicaid. However, insurance coverage can vary by plan and individual circumstances. Please contact the facility directly to verify if your specific insurance plan is accepted and what services are covered.

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