Chestnut Health Systems

Chestnut Health Systems (Granite City, IL) is a SAMHSA Behavioral Health Treatment Services Locator-registered facility. The facility offers a continuum of care across multiple levels — Outpatient, MAT, 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 Chestnut Health Systems

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

Payment and insurance posture: Chestnut Health Systems 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. 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: Clients with co-occurring mental and substance use disorders, Clients who have experienced trauma, Persons 18 and older with serious mental illness (SMI). 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 Chestnut Health Systems: (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. The facility's documented pharmacotherapy offerings suggest MAT is available — confirm the specific medications and prescriber access during the admissions conversation.