Skip to main content
Get Help Now
631-SOBERME
Medicaid Managed Care — New York

Fidelis Care Addiction Treatment Coverage on Long Island

Fidelis Care is one of New York's largest Medicaid managed care plans, serving over 1.7 million members statewide. Their Medicaid and HealthierLife (HARP) plans provide comprehensive addiction treatment coverage at OASAS-certified facilities across Long Island with $0 copay and $0 deductible for qualifying members.

$0

Out-of-Pocket Cost

For Medicaid members

No Prior Auth

For Outpatient

IOP & PHP services

100%

MAT Coverage

Suboxone, Vivitrol, Sublocade

Same-Day

Intake Available

At participating facilities

Published: December 1, 2025
Last Edited: March 15, 2026
12 min read
BZ

Written by

Benjamin Zohar, NCACIP

Nationally Certified Advanced Addiction Intervention Professional

EZ

Edited by

Ezra Zohar, M.S. Ed.

Editorial Director

BM

Medically Reviewed by

Brandon McNally, RN

Medical Reviewer, ICU Critical Care Nurse

Published: December 1, 2025
Last edited: March 15, 2026
12 min read

Fidelis Care Medicaid covers addiction treatment on Long Island with $0 copay including medical detox, residential rehabilitation, IOP, PHP, and all FDA-approved MAT medications such as Suboxone, Sublocade, Vivitrol, and Brixadi. Most outpatient services do not require prior authorization. Fidelis also offers the Essential Plan for low-income adults and Ambetter through the NY State of Health Marketplace. Call 631-762-3763 for free benefits verification.

What Fidelis Care Covers for Addiction Treatment

Fidelis Care Medicaid managed care provides comprehensive coverage for substance use disorder treatment at OASAS-certified facilities throughout Nassau and Suffolk counties. Under the Mental Health Parity and Addiction Equity Act and New York State law, addiction treatment must be covered at the same level as medical and surgical benefits.

Medical Detoxification (Inpatient & Outpatient)
Inpatient Residential Rehabilitation
Partial Hospitalization Program (PHP)
Intensive Outpatient Program (IOP)
Standard Outpatient Counseling
Medication-Assisted Treatment (MAT) — Suboxone, Sublocade, Vivitrol, Brixadi
Opioid Treatment Programs (OTP/Methadone)
Peer Recovery Support Services
Case Management & Care Coordination
Dual Diagnosis / Co-Occurring Mental Health
Family Counseling & Psychoeducation
Relapse Prevention & Aftercare Planning

Covered MAT Medications

Medication-assisted treatment (MAT) is considered the gold standard for opioid and alcohol use disorders. Fidelis Care covers all FDA-approved MAT medications with no prior authorization required for buprenorphine under New York law:

Suboxone

Buprenorphine/Naloxone

Use: Opioid dependence

Form: Film / Tablet

Sublocade

Extended-release buprenorphine

Use: Opioid dependence

Form: Monthly injection

Vivitrol

Extended-release naltrexone

Use: Opioid & alcohol

Form: Monthly injection

Brixadi

Buprenorphine ER injection

Use: Opioid dependence

Form: Weekly/Monthly injection

Fidelis Care Plans Accepted for Rehab

Fidelis Medicaid Managed Care

Full addiction treatment coverage with $0 copay. Most commonly used plan for substance abuse treatment. Accepted at all OASAS-certified facilities on Long Island.

Most Common

Fidelis HealthierLife (HARP)

Specialized Medicaid plan for adults with significant behavioral health needs. Enhanced services including peer support, care management, and CPST in addition to standard addiction treatment.

Most Common

Fidelis Essential Plan

Low-cost coverage for New Yorkers who don't qualify for Medicaid. Addiction treatment covered with minimal copays ($0–$20 depending on plan level).

Ambetter from Fidelis Care

NY State of Health Marketplace plan. Addiction treatment benefits vary by metal tier (Bronze, Silver, Gold). Prior authorization may apply for inpatient services.

How to Verify Your Fidelis Care Benefits

1

Locate your Fidelis Care member ID

Find your member ID number on your Fidelis Care insurance card. You'll need this when calling to verify benefits.

2

Call Fidelis Care Member Services

Call 1-888-343-3547 (TTY 711) to verify your behavioral health and substance abuse benefits. Ask about covered services, prior authorization requirements, and in-network providers on Long Island.

3

Or call us for free verification

Our team can verify your Fidelis Care benefits for free and help you find an appropriate treatment center. We check your specific plan details, coverage levels, and available facilities.

4

Begin treatment

Once benefits are verified, you can begin treatment — often the same day. OASAS-certified facilities handle the intake and authorization process on your behalf.

Where Fidelis Care Is Accepted on Long Island

Fidelis Care is accepted at OASAS-certified addiction treatment facilities throughout Long Island:

Nassau County

  • • Detox & residential programs
  • • Outpatient clinics (IOP/PHP)
  • • MAT providers & clinics
  • • Community health centers
Nassau County treatment options

Suffolk County

  • • Hospital-based detox units
  • • Residential rehabilitation
  • • Outpatient treatment programs
  • • Sober living residences
Suffolk County treatment options

Your Parity Rights Under New York Law

Under the Mental Health Parity and Addiction Equity Act (MHPAEA) and Timothy's Law (New York State), Fidelis Care cannot impose more restrictive limitations on substance use disorder treatment than on medical/surgical benefits. This means:

  • No separate, lower annual or lifetime dollar limits for addiction treatment
  • Co-pays and deductibles cannot be higher than comparable medical benefits
  • Prior authorization requirements must be no more restrictive than for medical care
  • Day and visit limits must be comparable to medical/surgical limits

If you believe Fidelis Care has improperly denied addiction treatment coverage, you can file a complaint with the New York Department of Financial Services at 1-800-342-3736 or request an external independent review.

Fidelis Care vs. Other Medicaid Plans for Rehab

FeatureFidelis CareHealthfirstUHC Community
Copay for Rehab$0$0$0
Detox Coverage✓ Full✓ Full✓ Full
Inpatient Rehab✓ Full✓ Full✓ Full
IOP/PHP✓ No prior auth✓ No prior auth✓ No prior auth
MAT (Suboxone/Vivitrol)✓ Full✓ Full✓ Full
LI Network SizeLargeLargeModerate
Statewide CoverageLargestNYC/LI focusedLarge

All three plans provide equivalent coverage for core addiction treatment. The primary differences are network size and member services. Compare Healthfirst → | Compare UHC Community Plan →

Frequently Asked Questions About Fidelis Care Rehab Coverage

Related Insurance Guides

Verify Your Fidelis Care Benefits — Free & Confidential

Our team can verify your Fidelis Care coverage and connect you with an appropriate treatment center on Long Island. The call is free, confidential, and takes about 5 minutes.

Call 631-762-3763

Available 24/7 — No obligation

Medical Disclaimer: This page is for informational purposes only and does not constitute medical advice. Coverage details may vary by specific Fidelis Care plan. Always verify your individual benefits with Fidelis Care Member Services (1-888-343-3547) before beginning treatment. Information is current as of March 2026.

Recovery Support Network

Long Island Rehab Helpline & Crisis Intervention connects families with trusted clinical resources across New York.

Our network includes: Intervention NY, Every1 Center, HVATC, and Long Island Addiction Treatment Resources