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Verified Treatment Center

Saint Marks Hospital

Smithtown, NY · 11787

SAMHSA Verified Inpatient MAT Dual Dx
Specializes in Dual Diagnosis

Key Takeaways for Saint Marks Hospital

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

About Saint Marks Hospital

Located in Smithtown, NY, Saint Marks Hospital operates within the NY regulatory framework as a licensed addiction-treatment provider. The facility offers a continuum of care across multiple levels — Inpatient, 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 Saint Marks Hospital

Level-of-care documentation: The facility offers a continuum of care across multiple levels — Inpatient, 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

Saint Marks Hospital 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. The operational prerequisite for admission is written documentation of: (a) network contract status; (b) prior authorization; (c) cost-sharing structure; (d) medical-necessity criteria applied. Absence of any of these four increases the probability of post-admission financial disagreement.

Specialty programming

The facility's documented specialty programming includes: Clients with co-occurring mental and substance use disorders, Persons 18 and older with serious mental illness (SMI). Clinical verification of specialty programming should encompass credentialed staff profile, programming-hour documentation, and specialty-specific medical-necessity documentation for third-party authorization. The MHPAEA 2024 rule addresses specialty-program network adequacy for patients requiring specific clinical capabilities.

Before you call

Pre-admission documentation for Saint Marks Hospital should include ASAM-framework level-of-care justification, plan-specific Verification of Benefits with network-contract confirmation, written MAT policy for opioid use disorder patients where applicable, and licensure/accreditation verification. 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.

Saint Marks Hospital at a Glance

Levels of care

Inpatient · MAT · Dual Dx

Service settings

Hospital inpatient/24-hour hospital inpatient

Therapy approaches

Activity therapy, Couples/family therapy, Electroconvulsive therapy, Group therapy, Individual psychotherapy, Telemedicine/telehealth therapy

Age groups

Young Adults, Adults, Seniors

Special populations

Clients with co-occurring mental and substance use disorders, Persons 18 and older with serious mental illness (SMI)

Medications

Chlorpromazine, Fluphenazine, Haloperidol, Aripiprazole, Clozapine, Olanzapine

Insurance & Payment Accepted

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

Private insurance

Coverage details →

TRICARE / VA

Coverage details →

Contact & Location

Address

50 Route 25A, Smithtown, NY 11787

Facility direct line

801-268-7111