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Stony Brook Eastern Long Island Hospital

Greenport, NY

SAMHSA Verified Joint Commission Inpatient MAT Dual Dx

Inpatient · MAT · Dual Dx center · in Greenport, NY · Accepts Medicaid · Medicare · Private · Serves seniors, trauma survivors.

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Call helpline: +1 (205) 973-2878

Direct line to Stony Brook Eastern Long I...: 631-477-5710

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About Stony Brook Eastern Long Island Hospital

Inpatient and outpatient treatment for adults with substance use disorders, comprehensive mental health assessment, and personalized care plans.

Classified as separate inpatient psychiatric unit of a general hospital. state government. Primary focus: substance use treatment, mental health treatment.

This listing is sourced from the SAMHSA Behavioral Health Treatment Services Locator. Data last synced: April 2026. Always verify current programs and insurance directly with the facility.

Quick Facts

Programs, populations, and payments verified via SAMHSA.

Level of care
Inpatient · MAT · Dual Dx
Service settings
Hospital inpatient/24-hour hospital inpatient
Therapy approaches
Activity therapy, Cognitive behavioral therapy, Group therapy, Integrated Mental and Substance Use Disorder treatment, Individual psychotherapy, Ketamine Infusion Therapy, Abnormal involuntary movement scale
Age groups
Young Adults, Seniors
Special populations
Clients with co-occurring mental and substance use disorders, Clients who have experienced trauma, Persons with post-traumatic stress disorder (PTSD)
Medications used
Chlorpromazine, Fluphenazine, Haloperidol, Perphenazine, Prochlorperazine, Aripiprazole, Brexpiprazole, Cariprazine, Clozapine, Lurasidone + 8 more
Emergency services
Psychiatric emergency onsite services
Facility operation
State government

Insurance & Payment Accepted

Verify coverage
Medicaid
Medicare
Private insurance
TRICARE / VA
Self-pay / Cash
Sliding scale

Full list from SAMHSA: IHS/Tribal/Urban (ITU) funds; Medicare; Medicaid; Private health insurance; Cash or self-payment; State-financed health insurance plan other than Medicaid

Contact & Location

Address

201 Manor Place, Greenport, NY 11944

Get directions →

Facility direct line

631-477-5710

Frequently Asked Questions

Does Stony Brook Eastern Long Island Hospital accept Medicaid?
Yes. According to SAMHSA data, Stony Brook Eastern Long Island Hospital accepts Medicaid. Coverage specifics (copays, prior authorization) depend on the specific NY Medicaid plan. Call 631-477-5710 to verify your benefits.
What level of care does Stony Brook Eastern Long Island Hospital offer?
This facility offers: Inpatient, MAT, Dual Dx. Service settings include: Hospital inpatient/24-hour hospital inpatient. Primary focus: Substance use treatment, Mental health treatment, Treatment for co-occurring substance use plus either serious mental health illness in adults/serious emotional disturbance in children.
Does Stony Brook Eastern Long Island Hospital have specialized programs?
Yes — this facility offers programs for: Clients with co-occurring mental and substance use disorders, Clients who have experienced trauma, Persons with post-traumatic stress disorder (PTSD).
What therapy methods does Stony Brook Eastern Long Island Hospital use?
Evidence-based approaches listed with SAMHSA: Activity therapy, Cognitive behavioral therapy, Group therapy, Integrated Mental and Substance Use Disorder treatment, Individual psychotherapy, Ketamine Infusion Therapy, Abnormal involuntary movement scale.
How do I start treatment at Stony Brook Eastern Long Island Hospital?
Call the facility directly at 631-477-5710 for an intake assessment. Our free 24/7 helpline (+1 (205) 973-2878) can also help you compare programs, verify insurance, and navigate options. No physician referral is required.
Is treatment confidential?
Yes. Federal law (42 CFR Part 2) provides strict confidentiality protections for substance use treatment records — stricter than HIPAA. Records cannot be disclosed without written consent, even to family, employers, or law enforcement.
What happens when you call? (general intake process)

Most treatment centers follow a 4-step intake: (1) confidential assessment — substance history, mental health, insurance, preferences (protected by 42 CFR Part 2); (2) insurance verification — facility contacts your plan to confirm coverage and out-of-pocket costs; (3) level-of-care recommendation — clinical staff match you to detox, residential, PHP, IOP, or outpatient based on severity; (4) admission typically within 24–48 hours. Timing varies by facility and bed availability.

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Sources & References

  • SAMHSA — Behavioral Health Treatment Services Locator. Source of facility programs, services, and accepted payments.
  • SAMHSA — NSDUH, 2023.
  • CMS — Mental Health Parity and Addiction Equity Act (MHPAEA).
  • 42 CFR Part 2 — Confidentiality of SUD Patient Records.

Facility data last synced: April 2026. Editorial policy.

24/7 Helpline +1 (205) 973-2878