Joint Commission SAMHSA State License 12-Step

Quannacut at Stony Brook Eastern Long Island Hospital

Greenport, New York · Residential

Quannacut is the inpatient addiction service at Stony Brook Eastern Long Island Hospital on Manor Place in Greenport, New York. This is a full service hospital…

12-Step 24-Hour Clinical Care Inpatient Intervention Services Medically Assisted Detox Sober Living Homes
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Levels of care
6
Setting
Residential
Accreditation
Joint Commission · SAMHSA

About Quannacut at Stony Brook Eastern Long Island Hospital

Quannacut is the inpatient addiction service at Stony Brook Eastern Long Island Hospital on Manor Place in Greenport, New York. This is a full service hospital with 70 beds and serves the North Fork and Shelter Island residents of Suffolk County. If you’re an adult looking for assistance with substance use disorders or co-occurring mental health issues, this is one option in Greenport and the surrounding area. The hospital accepts private health insurance, Medicaid, Medicare, and IHS/Tribal/Urban (ITU) funds.

The hospital rests on a small island that juts out into the water. This beautiful area is the perfect place for beginning your recovery. The inpatient program provides safe, medically monitored detox.

Detox includes mental health treatment, medication management, and discharge planning. If appropriate, you’ll have medication assisted treatment (MAT) for opioid and alcohol use disorders.

The Native American Word for rainbow, quannacut, signifies new beginnings and hope. In the inpatient addiction program, you’ll receive medical, psychological, and behavioral treatment. The program’s team is composed of alcoholism and substance abuse counselors, social workers, nurses, physicians, dieticians, and creative arts therapists all working together for an integrated treatment approach.

While in the program, you’ll receive customized treatment that includes evidence based practices. Education, life skills, medication management, and mindfulness are part of the program. You’ll participate in group and individual counseling in a supportive and structured environment. The program is licensed by the state and is accredited by The Joint Commission.

The hospital has multiple LGBTQ+ initiatives to provide compassionate, nondiscriminatory care. The Human Rights Campaign Healthcare Equality Index recognized the hospital for affirming and addressing the unique needs of individuals in the LGBTQ+ community. You can be sure you’ll be treated with respect, no matter your identity.

Levels of care

Medically Assisted Detox

Medically supervised withdrawal management with 24/7 monitoring.

Inpatient

Live-in care with structured daily therapy and round-the-clock support.

Sober Living Homes

Supportive substance-free housing during the transition back to daily life.

Conditions treated & therapies

Insurance & payment

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Accreditations & licensing

Verify any accreditation or state license directly with the issuing body before choosing a provider.

Facility amenities & environment

Private Rooms
Residential Setting

Hours & location

201 Manor Pl, Greenport, NY 11944 Get directions

Frequently asked

What levels of care does Quannacut at Stony Brook Eastern Long Island Hospital offer?
Quannacut at Stony Brook Eastern Long Island Hospital provides 12-step, 24-hour clinical care, inpatient, intervention services, medically assisted detox and sober living homes.
Does Quannacut at Stony Brook Eastern Long Island Hospital offer medical detox?
Yes. Quannacut at Stony Brook Eastern Long Island Hospital lists medically supervised detox among its levels of care, so withdrawal can be managed by clinical staff before stepping into further treatment.
Is Quannacut at Stony Brook Eastern Long Island Hospital accredited?
Quannacut at Stony Brook Eastern Long Island Hospital lists Joint Commission, SAMHSA and State License. Accreditation and licensing can be verified independently with the issuing body before you choose a provider.
Where is Quannacut at Stony Brook Eastern Long Island Hospital located?
Quannacut at Stony Brook Eastern Long Island Hospital is located in Greenport, New York. Call our free, confidential helpline at 1-888-685-2199 to confirm admissions, availability and directions.
Medically reviewed by Daniel Okafor, PMHNP-BC Last updated June 11, 2025

Directory information is compiled from public and provider-supplied records of addiction treatment centers across the United States. Please independently verify licensing, accreditation and insurance before choosing a provider.

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