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Stonington Institute

618 Poquonnock Road, Groton, Connecticut, 06340

Levels of care
Detox, PHP / Day Treatment, Intensive Outpatient (IOP) +5 more
Accreditation
Joint Commission (JCAHO), State Licensed
Insurance
Medicaid
Languages
English, Spanish, ASL
Contact this center
Call 860-445-3695Visit website

In crisis? Call or text 988 (Suicide & Crisis Lifeline), or 911 for emergencies.

Stonington Institute is a treatment facility in Groton, Connecticut, offering intensive outpatient (IOP) care for people managing substance use, including those referred through court-ordered or DUI-related programs. It is one of a smaller number of facilities in the surrounding area providing IOP services in Spanish, making it a relevant option for Spanish-speaking clients seeking accessible, community-based care.

The program holds Joint Commission (JCAHO) accreditation and incorporates a 12-step approach, alongside support for co-occurring chronic pain. Transportation is provided for clients attending sessions, and vaping is permitted on site. Together, these features describe an outpatient program built for people balancing treatment with daily responsibilities while accessing structured, accredited care close to home.

Conditions treated

Conditions / Mental Health
PTSD / TraumaCo-Occurring DisordersSelf-HarmChronic Pain
Substances Treated
AlcoholOpioidsNicotine / Tobacco

Treatment approaches

Therapies Offered
Cognitive Behavioral (CBT)Motivational InterviewingGroup TherapyIndividual TherapyFamily TherapyTrauma-Focused
Treatment Approaches
Evidence-Based12-StepTrauma-InformedHarm Reduction

Who this facility serves

Who We Support
MenWomenYoung AdultsAdultsSeniorsVeterans / MilitaryCouplesPregnant WomenNew MothersCourt-Ordered / DUIMilitary Families
Age Groups
Young Adults (18–25)Adults (26–64)Seniors (65+)
Gender Program
Co-Ed
Languages
EnglishSpanishASL

Levels of care

  • ✓Detox
  • ✕Inpatient
  • ✕Residential Rehab
  • ✓PHP / Day Treatment
  • ✓Intensive Outpatient (IOP)
  • ✓Outpatient Rehab
  • ✓Medication-Assisted Treatment (MAT)
  • ✓Dual-Diagnosis / Co-Occurring
  • ✕Sober Living
  • ✓Aftercare / Continuing Care
  • ✕Virtual / Telehealth
  • ✕In-Home Care
  • ✕Interventions
  • ✓Recovery Coaching
  • ✕Concierge Treatment
  • ✕Retreat
  • ✕Recovery School
  • ✕Therapeutic Boarding School

Insurance & payment

Accepts
Medicaid
Payment options
medicaidPrivate InsuranceSelf-Pay / CashState-Funded / Free

Accreditation and licensing

Joint Commission (JCAHO)State Licensed

The facility

Transportation Provided

Admissions and policies

Smoking PermittedVaping Permitted

How this compares nearby

Among the 39 treatment centers we list within 30 miles of Groton, this is one of:

  • 9that offer Intensive Outpatient (IOP)
  • 9that serve Court-Ordered / DUI
  • 9that offer services in Spanish
  • 10that hold Joint Commission (JCAHO)

Frequently asked questions

What levels of care does Stonington Institute offer?

Stonington Institute offers Detox, PHP / Day Treatment, Intensive Outpatient (IOP), Outpatient Rehab, Medication-Assisted Treatment (MAT), Dual-Diagnosis / Co-Occurring, Aftercare / Continuing Care and Recovery Coaching.

What conditions does Stonington Institute treat?

Stonington Institute treats PTSD / Trauma, Co-Occurring Disorders, Self-Harm and Chronic Pain.

What therapies does Stonington Institute use?

Stonington Institute offers Cognitive Behavioral (CBT), Motivational Interviewing, Group Therapy, Individual Therapy, Family Therapy and Trauma-Focused.

Is Stonington Institute accredited?

Stonington Institute lists accreditation from Joint Commission (JCAHO) and State Licensed.

What languages are spoken at Stonington Institute?

Services are available in English, Spanish and ASL.

Who does Stonington Institute serve?

Stonington Institute lists programmes for Men, Women, Young Adults, Adults, Seniors, Veterans / Military, Couples and Pregnant Women, and 3 others.

Other treatment centers nearby

H

Hartford Dispensary

New London, Connecticut · 2.7 mi

Aftercare / Continuing CareDetoxDual-Diagnosis / Co-OccurringIntensive Outpatient (IOP)
CallView

Where this information comes from

Listing details for Stonington Institute are compiled from findtreatment.gov and SAMHSA National Directory of Treatment Facilities.

Record last updated 1 August 2026.

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