Medically Reviewed By

Brittany Kowalski, LCSW, ACS, CCS

Clinical Director, Speranza Behavioral Health · Last clinically reviewed July 2026

Horizon NJ Health Insurance and Addiction Treatment: What's Covered

Horizon Blue Cross Blue Shield of New Jersey — known as Horizon NJ Health in its Medicaid product line — is New Jersey's largest health insurer, covering more than 3.5 million members across the state. Horizon offers multiple product lines serving commercial, Medicaid, and Medicare populations — making it one of the most commonly held insurance plans among South Jersey residents seeking addiction and mental health treatment.

Speranza Behavioral Health in Woodbury, NJ is in-network with Horizon NJ Health across commercial, Medicaid, and other product lines. This guide covers what Horizon covers, how to understand your benefits, and how to get started.

Horizon NJ Health Product Lines and Coverage

Horizon Medicaid (NJ FamilyCare / Horizon NJ Health)

Horizon NJ Health is one of several managed care organizations (MCOs) that administer NJ FamilyCare (Medicaid) benefits in New Jersey. If you're enrolled in NJ FamilyCare through Horizon NJ Health, your behavioral health benefits typically include:

• Medical detox: Covered with no or minimal cost-sharing
• PHP and IOP: Covered with no or minimal cost-sharing for eligible Medicaid members
• Outpatient therapy: Covered
• Psychiatric services and medication management: Covered
• MAT (Suboxone, Vivitrol): Covered under pharmacy and medical benefits

For most Horizon Medicaid members, the out-of-pocket cost for covered addiction and mental health treatment services at an in-network provider like Speranza is $0.

Horizon Blue Cross Blue Shield (Commercial)

Horizon's commercial plans — sold to individuals, through employers, and on the NJ health insurance marketplace — cover behavioral health treatment under MHPAEA and ACA requirements. Covered services include:

• PHP (prior authorization typically required)
• IOP (prior authorization may be required)
• Outpatient therapy and psychiatry
• Medical detox
• MAT medications

Cost-sharing varies by specific plan (deductible, copay, coinsurance). Our team verifies your specific benefits during the intake process.

Does Horizon Cover PHP and IOP?

Yes. Both PHP and IOP are covered under Horizon plans when:

1. The service is provided by an in-network provider (Speranza is in-network)
2. The level of care meets medical necessity criteria
3. Prior authorization is obtained for PHP (and sometimes for IOP)

Our admissions team handles all prior authorization communication with Horizon on your behalf.

How Prior Authorization Works With Horizon

Horizon uses the ASAM criteria and proprietary clinical criteria to evaluate medical necessity for PHP and residential treatment. Clinically, this involves:

• A diagnostic assessment from Speranza's clinical team
• ASAM severity rating documentation
• A treatment plan with measurable clinical goals
• Ongoing authorization reviews (typically weekly or biweekly for PHP)

What you don't need to do: Navigate this yourself. Speranza's insurance team communicates with Horizon directly, submits all documentation, and pursues appeals if initial authorization is denied.

Verifying Your Horizon Benefits at Speranza

The fastest way to understand your Horizon coverage is to call us:

Call (866) 814-0126 — provide your Horizon member ID and we'll verify your benefits at no charge, typically within hours.

Submit online for insurance verification →

Alternatively, call the member services number on your Horizon card and ask about:

• Coverage for substance use disorder treatment (detox, PHP, IOP, outpatient)
• In-network behavioral health providers in Gloucester County/South Jersey
• Prior authorization requirements for PHP and IOP
• Your deductible, copay/coinsurance, and out-of-pocket maximum for behavioral health

Related Reading:

• Aetna Insurance and Addiction Treatment in NJ
• Does Insurance Cover Addiction Treatment in NJ?
• PHP vs. IOP: What's the Difference?

About the Author

Brittany Kowalski

Brittany Kowalski is a licensed clinical social worker (LCSW) and behavioral health advocate at Speranza Behavioral Health in Woodbury, NJ. With over a decade of experience in addiction recovery and mental health treatment, she specializes in dual diagnosis care, trauma-informed therapy, and evidence-based outpatient programs serving South Jersey communities.