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Verified Treatment Center

Key Transitions

Mattapan, MA · 02126

SAMHSA Verified Joint Commission

Key Takeaways for Key Transitions

  • Joint Commission accredited · SAMHSA-listed facility
  • Direct line available · Helpline free & confidential 24/7

About Key Transitions

Key Transitions (Mattapan, MA) is a SAMHSA Behavioral Health Treatment Services Locator-registered facility. The specific care levels offered by Key Transitions should be confirmed directly with the admissions team. Evaluation of this facility against current clinical standards should encompass ASAM 4e framework alignment, MAT policy, and payer-specific network status.

Care levels at Key Transitions

Level-of-care documentation: Care-level specifics for Key Transitions are not well-documented in the public SAMHSA record; a direct conversation with the admissions team is the reliable way to confirm what the facility actually provides. 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

Payment and insurance posture: Payment and insurance specifics for Key Transitions are not fully documented in the SAMHSA registry — a direct admissions conversation is the reliable way to confirm what forms of payment are accepted and at what network-contract level. 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.

Before you call

Operational admission checklist for Key Transitions: (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 Key Transitions 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.

Key Transitions at a Glance

Insurance & Payment Accepted

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

Medicaid

Medicare

Private insurance

TRICARE / VA

Contact & Location

Address

211 River St BLDG M, Mattapan, MA 02126

Facility direct line

(888) 611-2415