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Drug & Alcohol Rehab Centers in Port Jefferson, New York

Find verified addiction treatment facilities in Port Jefferson. Our directory includes 2 licensed rehabilitation centers offering detox, residential, outpatient, and specialty programs. Most facilities accept insurance.

Updated: December 18, 2025
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Mather Hospital Northwell Health
+9 photos

Mather Hospital Northwell Health

Outpatient Partial Hospitalization Prg

100 Highlands Boulevard, 11777
631-473-3877

Mather Hospital Northwell Health, located in Port Jefferson, NY, provides a wide array of treatment options for substance use disorders alongside co-occurring mental health issues, catering to both adults and children. The facility offers various services, including intensive outpatient programs, standard outpatient care, as well as methadone, buprenorphine, and naltrexone treatments. Understanding that each individual has unique needs, Mather Hospital has tailored programs specifically designed for adolescents, adult men, and adult women. The center emphasizes personalized care by offering approaches like 12-step facilitation, anger management, and brief intervention strategies. Mather Hospital Northwell Health remains committed to delivering high-quality, evidence-based rehabilitation services to both male and female clients of all ages, supporting them as they embark on their recovery journey.

Substance use treatmentTreatment for co-occurring substance use plus either serious mental health illness in adults/serious emotional disturbance in children
Saint Charles Hospital
+9 photos

Saint Charles Hospital

Chemical Dependency Inpatient Program

200 Belle Terre Road, 11777
631-474-6233

Saint Charles Hospital, located in Port Jefferson, NY, provides a full range of treatment options for substance use through its inpatient services and around-the-clock care programs. The center focuses on various therapeutic approaches, including 12-step facilitation, brief intervention, and cognitive behavioral therapy. It features specialized programs designed for adult men and women, along with services for clients who have faced intimate partner or domestic violence. Catering to both adults and younger adults of all genders, Saint Charles Hospital is committed to delivering personalized, high-quality care that meets individual needs. If you or someone you care about is looking for effective addiction treatment in a nurturing setting, this facility offers a variety of programs aimed at supporting recovery.

Substance use treatment

Addiction Treatment in Port Jefferson, New York

Port Jefferson offers specialized addiction treatment options, from medical detox to long-term residential care. Whether you're seeking help for yourself or a loved one,Port Jefferson's treatment centers provide professional, compassionate care with various program types and payment options.

Why Choose Treatment in Port Jefferson?
  • Specialized treatment centers with various programs
  • Licensed facilities with experienced professionals
  • Local recovery community and support groups
  • Full continuum of care from detox to aftercare
  • Enormous variety of treatment options
  • Access to world-class medical institutions

Treatment Programs in Port Jefferson

Medical Detox

Safe, supervised withdrawal with 24/7 medical monitoring

Residential Treatment

Live-in programs with structured daily therapy and support

Outpatient Programs

PHP, IOP, and standard outpatient for flexible recovery

Sober Living

Supportive housing for continued recovery support

Insurance & Payment in Port Jefferson

NY Medicaid provides comprehensive coverage. State law mandates extensive insurance coverage for addiction treatment.

National Resources

Federal resources and hotlines available 24/7 for addiction support.

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Frequently Asked Questions

Important Notice

This website provides general information about addiction treatment facilities. It is not a substitute for professional medical advice, diagnosis, or treatment. If you are experiencing a mental health crisis, please call 988 (Suicide & Crisis Lifeline) or 911 for immediate assistance. For substance abuse help, call SAMHSA at 1-800-662-4357.

Data sourced from SAMHSA Treatment Locator, state licensing databases, and facility submissions.

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