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Evernorth Behavioral Health Network

Cigna Addiction Treatment Coverage on Long Island

Cigna Healthcare serves over 18 million medical members and provides comprehensive addiction treatment coverage through its Evernorth Behavioral Health division. Cigna is widely accepted at OASAS-certified facilities throughout Long Island.

18M+

Medical Members

Nationwide coverage

Strong

Behavioral Network

Evernorth integration

100%

MAT Coverage

Suboxone, Vivitrol, Sublocade

24/7

Virtual Care

Telehealth available

Published: March 20, 2026
12 min read
BZ

Written by

Benjamin Zohar, NCACIP

Nationally Certified Advanced Clinical 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: March 20, 2026
12 min read

What Cigna Covers for Addiction Treatment

Under the Mental Health Parity and Addiction Equity Act, Cigna covers substance use disorder treatment at parity with medical/surgical benefits:

Medical Detoxification (Inpatient & Outpatient)
Inpatient Residential Rehabilitation (28–90+ days)
Intensive Outpatient Programs (IOP)
Partial Hospitalization Programs (PHP)
Medication-Assisted Treatment (MAT)
Individual & Group Counseling
Dual Diagnosis / Co-Occurring Disorders
Peer Support & Recovery Services
Family Therapy & Psychoeducation
Aftercare & Relapse Prevention Planning
Telehealth Behavioral Health Sessions
Crisis Intervention Services

Covered MAT Medications

Cigna covers all FDA-approved medications for opioid and alcohol use disorders:

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

Cigna Plans Accepted for Rehab

Cigna Open Access Plus (OAP)

Most popular plan with in-network and out-of-network benefits. No referrals needed for behavioral health services. Widely accepted at Long Island treatment facilities.

Most Common

Cigna PPO

Flexible plan with both in-network and out-of-network coverage. Higher cost-sharing for out-of-network providers. Good addiction treatment coverage.

Cigna HMO

In-network only plan with lower premiums. May require referrals for specialist services. Covers all levels of addiction treatment within network.

Cigna Medicare Advantage

For adults 65+ or those with qualifying disabilities. Covers medically necessary addiction treatment including detox, rehab, and MAT.

Prior Authorization Requirements

Level of CareIn-NetworkOut-of-Network
Outpatient CounselingNo prior auth requiredNo prior auth required
Intensive Outpatient (IOP)Varies by planPrior auth required
Partial Hospitalization (PHP)Prior auth requiredPrior auth required
Inpatient DetoxPrior auth requiredPrior auth required
Residential TreatmentPrior auth requiredPrior auth required
MAT (Suboxone/Vivitrol)Varies by medicationPrior auth required

How to Verify Your Cigna Benefits

1

Locate your Cigna member ID

Find your member ID number on your Cigna insurance card. You'll also need your group number for verification.

2

Call Cigna Member Services

Call 1-800-997-1654 to verify your behavioral health and substance abuse benefits. Ask about covered services, copays, and in-network providers on Long Island.

3

Or call us for free verification

Our team can verify your Cigna benefits for free and connect you with an appropriate in-network treatment center on Long Island.

4

Begin treatment

Once benefits are verified, you can begin treatment — often the same day for outpatient. The facility handles prior authorization for inpatient services.

Where Cigna Is Accepted on Long Island

Nassau County

  • • Detox & residential programs
  • • Outpatient clinics (IOP/PHP)
  • • MAT providers & clinics
  • • Evernorth network providers
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 Federal & NY Law

Under the MHPAEA and Timothy's Law, Cigna cannot impose more restrictive limitations on substance use disorder treatment than on medical/surgical benefits:

  • No separate, lower annual or lifetime dollar limits for addiction treatment
  • Co-pays and deductibles must be comparable to medical benefits
  • Prior authorization requirements must be no more restrictive than for medical care

Frequently Asked Questions About Cigna Rehab Coverage

Related Insurance Guides

Verify Your Cigna Benefits — Free & Confidential

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

Call 844-338-6969

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 Cigna plan. Always verify your individual benefits with Cigna Member Services (1-800-997-1654) before beginning treatment. Information is current as of March 2026.

Related Resources

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