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Verified Treatment Center

GateHouse

Nashua, NH · 03063

SAMHSA Verified PHP IOP Dual Dx
Specializes in Trauma-Informed

Key Takeaways for GateHouse

  • PHP · IOP · Dual Dx offered
  • Accepts Medicaid, Private insurance, TRICARE/VA
  • SAMHSA-listed facility
  • Direct line available · Helpline free & confidential 24/7

About GateHouse

GateHouse (Nashua, NH) is a SAMHSA Behavioral Health Treatment Services Locator-registered facility. The facility offers a continuum of care across multiple levels — PHP, IOP, Dual Dx — which means it can, in principle, hold a patient across the arc of a typical treatment episode. Evaluation of this facility against current clinical standards should encompass ASAM 4e framework alignment, MAT policy, and payer-specific network status.

Care levels at GateHouse

The facility offers a continuum of care across multiple levels — PHP, IOP, 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. ASAM Criteria 4e level-of-care matching requires clinical assessment across six dimensions (withdrawal potential, biomedical conditions, emotional/behavioral/cognitive conditions, readiness, relapse risk, recovery environment). The alignment of GateHouse's offerings to any specific patient's clinical profile should be determined by an independent ASAM-aligned assessment prior to admission.

Insurance and payment

Payment and insurance posture: GateHouse 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. The facility also accepts TRICARE or military benefits. Pre-admission Verification of Benefits (VOB) documentation should include: specific plan product and network status, deductible status at time of admission, coinsurance rate applicable, prior authorization status and turnaround, and out-of-pocket accumulation. Under MHPAEA 2024 disclosure rules, plan-specific medical-necessity criteria must be available on request.

Specialty programming

The facility's documented specialty programming includes: Adult women, Adult men, Seniors or older adults. 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

Operational admission checklist for GateHouse: (a) clinical assessment with documented ASAM 4e level-of-care recommendation; (b) insurance benefits verification in writing; (c) MAT policy documentation; (d) accreditation and licensure verification; (e) confirmed prior authorization for specific level of care. Each should be obtained in written form prior to admission. If the clinical situation involves opioid use disorder, confirm explicitly whether GateHouse offers medication-assisted treatment — buprenorphine, methadone, or naltrexone. Programs that do not are operating outside the current standard of care.

Listing sourced from the SAMHSA Behavioral Health Treatment Services Locator. Data last synced April 2026. Verify current programs directly with the facility.

GateHouse at a Glance

Levels of care

PHP · IOP · Dual Dx

Service settings

Outpatient, Outpatient day treatment or partial hospitalization, Intensive outpatient treatment

Therapy approaches

Anger management, Brief intervention, Cognitive behavioral therapy, Contingency management/motivational incentives, Motivational interviewing, Matrix Model

Age groups

Young Adults, Adults

Special populations

Adult women, Adult men, Seniors or older adults, Clients who have experienced trauma

Insurance & Payment Accepted

Confirm in-network status before admission — verification is free.

Medicare

Private insurance

Coverage details →

TRICARE / VA

Coverage details →

Contact & Location

Address

491 Amherst Street, Nashua, NH 03063

Facility direct line

717-393-3215