In crisis? Call or text 988 (Suicide & Crisis Lifeline) or 911. SAMHSA's National Helpline: 1-800-662-HELP (4357) — free, confidential, 24/7.

Maryville Inc

Maryville Inc is an addiction treatment facility at 1903 Grant Avenue in Williamstown, New Jersey, offering detoxification, partial hospitalization or residential treatment, and outpatient treatment, according to its SAMHSA FindTreatment.gov listing as of April 10, 2026. The same record also lists medication-assisted treatment and opioid treatment medications. Payment options listed in the record include Cash or self-payment, Federal military insurance (e.g., TRICARE), Federal, or any government funding for substance use treatment programs, and Medicaid. The directory lists 855-823-3428 as the facility's phone number. All details on this page come from that federal record and should be confirmed directly with the facility.

1903 Grant Avenue, Williamstown, NJ, 08094

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Contact & Location

Address: 1903 Grant Avenue, Williamstown, NJ, 08094

Phone: 855-823-3428

Website: https://www.maryvillenj.org

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Services & Programs

Treatment Types

  • Detoxification
  • Opioid Medication Service Components
  • Opioid Treatment Medications
  • Outpatient
  • Outpatient Level of Care
  • Partial Hospitalization / Residential
  • Substance Use Medication-Assisted Treatment

Insurance & Payment

  • Cash or self-payment
  • Federal military insurance (e.g., TRICARE)
  • Federal, or any government funding for substance use treatment programs
  • Medicaid
  • Payment assistance (check with facility for details)
  • Private health insurance
  • Sliding fee scale (fee is based on income and other factors)
  • State-financed health insurance plan other than Medicaid

Languages & Accessibility

  • Sign language services for the deaf and hard of hearing
  • Other languages (excluding Spanish)
  • Spanish

Other facilities in Williamstown

Other facilities in New Jersey

View all Williamstown facilities →

Levels of care this record lists, across New Jersey: Detox · Intensive Outpatient (IOP) · Residential · Medication-Assisted Treatment

Need Help Deciding?

Contact Maryville Inc directly at 855-823-3428, or call the SAMHSA National Helpline for free, confidential referrals 24/7.

SAMHSA Helpline: 1-800-662-HELP
Disclaimer: Facility information on this page is sourced from the SAMHSA FindTreatment.gov directory and provided for informational purposes only. Rehab Connect USA is an independent directory and is not affiliated with, does not endorse, and does not guarantee the quality of care at any listed facility. Verify services, licensure, and insurance acceptance directly with the facility before making treatment decisions. If you or someone you know needs immediate help, call the SAMHSA National Helpline at 1-800-662-HELP (4357) -- free, confidential, 24/7.