Verified Treatment Center
Stonington Institute
Groton, CT · 06340
Key Takeaways for Stonington Institute
- • PHP · IOP · MAT · Dual Dx offered
- • Accepts Medicaid, Private insurance
- • Joint Commission accredited · SAMHSA-listed facility
- • Direct line available · Helpline free & confidential 24/7
About Stonington Institute
Located in Groton, CT, Stonington Institute operates within the CT regulatory framework as a licensed addiction-treatment provider. The facility offers a continuum of care across multiple levels — PHP, IOP, MAT, Dual Dx — which means it can, in principle, hold a patient across the arc of a typical treatment episode. Structural evaluation of this facility's clinical posture requires review of state licensing records, accreditation status, and payer-network contracts.
Care levels at Stonington Institute
Level-of-care documentation: The facility offers a continuum of care across multiple levels — PHP, IOP, MAT, Dual Dx — which means it can, in principle, hold a patient across the arc of a typical treatment episode. The practical question is whether it is genuinely strong at each level, or whether one level is the core business and the others are secondary. Under MHPAEA 2024 medical-necessity criteria disclosure, plan-specific criteria for each of these levels must be available to patients upon request. Mismatch between documented clinical need and offered level of care is a common source of authorization denial.
Insurance and payment
Stonington Institute accepts both Medicaid and commercial insurance, which is the broadest payer profile and typically correlates with programs that operate at scale across the economic spectrum. Benefit verification should be obtained in writing prior to admission and should document: network contract status for the specific insurance product, prior authorization requirements and approved day-count, applicable cost-sharing structure, and out-of-network secondary coverage (where applicable). Proceeding on verbal VOB creates material risk of post-admission benefit dispute.
Specialty programming
The facility's documented specialty programming includes: Young adults, Adult women, Pregnant/postpartum women. Evaluation of specialty-program alignment requires documented review of clinical team credentials, specialty-specific programming hours, and integrated assessment protocols. Specialty designation without documented clinical infrastructure is a recognized marketing pattern in the sector.
Before you call
Pre-admission due-diligence for Stonington Institute: (1) ASAM 4e level-of-care documentation matching clinical assessment; (2) written Verification of Benefits specific to insurance product; (3) MAT policy documentation (particularly buprenorphine and methadone continuation protocols for opioid use disorder patients); (4) accreditation verification via CARF or Joint Commission provider-search tools; (5) state licensing status confirmed via CT behavioral-health regulator inspection records. The facility's documented pharmacotherapy offerings suggest MAT is available — confirm the specific medications and prescriber access during the admissions conversation.
Listing sourced from the SAMHSA Behavioral Health Treatment Services Locator. Data last synced April 2026. Verify current programs directly with the facility.
Stonington Institute at a Glance
Levels of care
PHP · IOP · MAT · Dual Dx
Service settings
Outpatient, Outpatient day treatment or partial hospitalization, Intensive outpatient treatment, Outpatient methadone/buprenorphine or naltrexone treatment
Therapy approaches
Anger management, Brief intervention, Cognitive behavioral therapy, Contingency management/motivational incentives, Motivational interviewing, Relapse prevention
Age groups
Young Adults, Adults
Special populations
Young adults, Adult women, Pregnant/postpartum women, Adult men, Seniors or older adults, Veterans
Medications
Acamprosate (Campral®), Disulfiram, Buprenorphine sub-dermal implant, Buprenorphine with naloxone, Buprenorphine (extended-release, injectable), Naltrexone (oral)
Insurance & Payment Accepted
Confirm in-network status before admission — verification is free.
Contact & Location
Address
618 Poquonnock Road, Groton, CT 06340
Facility direct line
(800) 832-1022Website
stoningtoninstitute.com