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Mount Sinai South Nassau Hospital Inpatient Psychiatric Unit

400 Sunrise Highway, Amityville, NY 11701

1 care level
(833) 567-5838 Free · Confidential · 24/7

Key Facts About Mount Sinai South Nassau Hospital Inpatient Psychiatric Unit

  • Location: Amityville, NY
  • Levels of Care: Residential Rehab
  • Insurance: Accepts 24 providers including Aetna, Anthem, BlueCross BlueShield
  • Therapies: Cognitive Behavioral Therapy, Group Therapy, Nutrition Counseling, Medication-Assisted Treatment
  • Help Available: Call (833) 567-5838 for free insurance verification and placement assistance

About Mount Sinai South Nassau Hospital Inpatient Psychiatric Unit

A non-profit mental health center offering integrated care, therapy, legal advocacy, and chronic illness management for adults and seniors. Mount Sinai South Nassau Hospital Inpatient Psychiatric Unit is located in Amityville, NY. The facility provides Residential Rehab programs. Treatment approaches include Cognitive Behavioral Therapy, Group Therapy, Nutrition Counseling, Medication-Assisted Treatment. This center serves Men, Women, Older Adults, Young Adults. Mount Sinai South Nassau Hospital Inpatient Psychiatric Unit accepts 24 insurance providers, including Aetna, Anthem, BlueCross BlueShield, Bright Health. For more information or to verify insurance coverage, call (833) 567-5838.

Evidence-Based Context: According to SAMHSA's National Survey on Drug Use and Health (2023), approximately 48.7 million Americans aged 12 or older had a substance use disorder in the past year. The National Institute on Drug Abuse (NIDA) emphasizes that treatment programs combining behavioral therapy with medication-assisted approaches show the highest rates of sustained recovery. Facilities like Mount Sinai South Nassau Hospital Inpatient Psychiatric Unit provide structured pathways to evidence-based care. Sources: SAMHSA NSDUH 2023, NIDA Principles of Drug Addiction Treatment (4th Ed.)

Who This Center Serves

Men Women Older Adults Young Adults

Services Offered

Substance use treatment Detoxification
Outpatient Outpatient detoxification Intensive outpatient treatment Outpatient methadone/buprenorphine or naltrexone treatment Regular outpatient treatment
Psychiatric hospital
Buprenorphine used in Treatment Naltrexone used in Treatment
In-network prescribing entity Other contracted prescribing entity No formal relationship with prescribing entity
Accepts clients using medication assisted treatment for alcohol use disorder but prescribed elsewhere This facility administers/prescribes medication for alcohol use disorder
No formal relationship with prescribing entity
Buprenorphine detoxification Buprenorphine maintenance Prescribes buprenorphine Prescribes naltrexone Relapse prevention with naltrexone Accepts clients using MAT but prescribed elsewhere Lofexidine or Clonidine detoxification Maintenance service with medically supervised withdrawal after stabilization
Acamprosate (Campral®) Disulfiram Buprenorphine with naloxone Buprenorphine without naloxone Buprenorphine (extended-release, injectable) Naltrexone (oral) Naltrexone (extended-release, injectable) Medications for HIV treatment Clonidine Medication for mental disorders Nicotine replacement Non-nicotine smoking/tobacco cessation
Anger management Brief intervention Cognitive behavioral therapy Motivational interviewing Relapse prevention Substance use disorder counseling Telemedicine/telehealth therapy Trauma-related counseling 12-step facilitation
Private non-profit organization
State Substance use treatment agency The Joint Commission Drug Enforcement Agency (DEA)
Medicare Medicaid Federal military insurance (e.g., TRICARE) Private health insurance Cash or self-payment State-financed health insurance plan other than Medicaid
Adolescents
Comprehensive mental health assessment Comprehensive substance use assessment Outreach to persons in the community Complete medical history/physical exam Screening for tobacco use Screening for substance use Screening for mental disorders
Breathalyzer or blood alcohol testing Drug or alcohol urine screening HIV testing STD testing TB screening Metabolic syndrome monitoring Testing for Hepatitis B (HBV) Testing for Hepatitis C (HCV)
Aftercare/continuing care Discharge Planning Naloxone and overdose education Outcome follow-up after discharge
Self-help groups Mentoring/peer support
Alcohol Detoxification Benzodiazepines Detoxification Opioids detoxification Medication routinely used during detoxification
HIV or AIDS education, counseling, or support Hepatitis education, counseling, or support Health education services other than HIV/AIDS or hepatitis Substance use disorder education Smoking/vaping/tobacco cessation counseling Individual counseling Group counseling Family counseling Marital/couples counseling
Smoking not permitted
Children/Adolescents Adults
Female Male
Specially designed program for DUI/DWI clients
Sign language services for the deaf and hard of hearing
Vaping not permitted
Mental health services Social skills development Integrated primary care services Suicide prevention services

What to Expect at Mount Sinai South Nassau Hospital Inpatient Psychiatric Unit

1. Initial Assessment

A clinical team evaluates your history, needs, and goals to create a personalized plan.

2. Active Treatment

Evidence-based therapies including Cognitive Behavioral Therapy and Group Therapy, typically 5 days.

3. Progress & Recovery

Regular progress reviews, skill-building sessions, and adjustment of your treatment plan.

4. Aftercare Planning

Continued support, relapse prevention strategies, and connections to community resources for lasting recovery.

Understanding Your Treatment Options

Choosing the right treatment facility is one of the most important decisions in the recovery journey. Research published by the National Institute on Drug Abuse (NIDA) shows that treatment duration, therapeutic approach, and aftercare planning are the three strongest predictors of long-term sobriety.

Mount Sinai South Nassau Hospital Inpatient Psychiatric Unit offers 1 distinct levels of care, allowing patients to step through treatment intensities as they progress.

The facility utilizes 4 evidence-based therapeutic modalities. According to NIDA research, combination therapy approaches that integrate behavioral interventions (such as Cognitive Behavioral Therapy and Group Therapy) with holistic support show significantly improved outcomes compared to single-modality programs.

Under the Mental Health Parity and Addiction Equity Act, most commercial insurance plans are required to cover substance abuse treatment. Mount Sinai South Nassau Hospital Inpatient Psychiatric Unit works with 24 insurance providers. Call (833) 567-5838 to verify your specific coverage and learn about out-of-pocket costs before admission.

Contact Information

400 Sunrise Highway, Carone Hall, Basement and 1st Floor, Amityville, NY, 11701

Quick Facts

Program5 days
FocusThis center treats substance u...
Insurance24 accepted

Free 24/7 Helpline

(833) 567-5838

Insurance verification · No obligation

Levels of Care

Available treatment intensities

Conditions & Substances Treated

Co-Occurring Disorders Drug Addiction Smoking Cessation

Verify Your Insurance Coverage

Free verification · Know your costs before you commit

(833) 567-5838

Frequently Asked Questions about Mount Sinai South Nassau Hospital Inpatient Psychiatric Unit

Does Mount Sinai South Nassau Hospital Inpatient Psychiatric Unit accept my insurance?
Mount Sinai South Nassau Hospital Inpatient Psychiatric Unit accepts 24 insurance carriers including Aetna, Anthem, BlueCross BlueShield, Bright Health, CareFirst. Coverage varies by plan — deductibles, copays, day limits, and pre-authorization requirements differ. Under the Mental Health Parity Act, commercial plans must cover addiction treatment at parity with medical care. Call (833) 567-5838 for a free 5-minute benefits check.
What treatment programs are available at Mount Sinai South Nassau Hospital Inpatient Psychiatric Unit?
Mount Sinai South Nassau Hospital Inpatient Psychiatric Unit offers Residential Rehab with evidence-based therapies including Cognitive Behavioral Therapy, Group Therapy, Nutrition Counseling, Medication-Assisted Treatment. Each admission starts with a clinical assessment against the ASAM criteria to match program intensity (detox, residential, IOP, or outpatient) to clinical need.
How much does treatment cost at Mount Sinai South Nassau Hospital Inpatient Psychiatric Unit?
Costs vary by level of care, duration, and insurance coverage. Typical national self-pay ranges: outpatient $1,000–$3,000/month, 30-day residential $5,000–$20,000, 90-day inpatient $12,000–$60,000. With 24 insurance carriers accepted at Mount Sinai South Nassau Hospital Inpatient Psychiatric Unit, out-of-pocket costs are typically lower. Call (833) 567-5838 for a free, personalized cost estimate.
Are there other rehab centers near Amityville?
Yes. Browse all NY treatment centers or narrow to Amityville specifically. Our full facility directory filters by insurance carrier and level of care. Call (833) 567-5838 for a human-curated shortlist based on your situation.
What should I expect during treatment at Mount Sinai South Nassau Hospital Inpatient Psychiatric Unit?
Treatment typically begins with a comprehensive clinical assessment, then a personalized plan combining individual therapy, group sessions, and evidence-based methods such as CBT, DBT, and motivational interviewing. Programs at Mount Sinai South Nassau Hospital Inpatient Psychiatric Unit typically last 5 days. Aftercare planning — which may include sober living, outpatient follow-up, and peer support groups — ensures ongoing support after discharge. Per NIDA research, 90+ days of engaged treatment significantly improves long-term outcomes.
How do I verify Mount Sinai South Nassau Hospital Inpatient Psychiatric Unit is legitimate?
Every center listed on RehabFlow is sourced from the federal SAMHSA Behavioral Health Treatment Services Locator and re-verified quarterly. For additional trust signals, check for JCAHO or CARF accreditation — both are voluntary third-party audits of clinical quality. Licensed clinicians (LCSW, LMFT, LPC, LADC, MD) should be on staff, not just peer coaches. If you spot outdated data, email [email protected] — we re-check within 24 hours.

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Information last verified: May 2026 · Data sourced from SAMHSA

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Published by RehabFlow
SAMHSA-sourced directory · May 2026

Listings are sourced from the SAMHSA Behavioral Health Treatment Services Locator and cross-checked against public CDC and NIDA data. This page is informational, not medical advice — see our editorial policy for how we verify and update facts.

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