1903 Grant Avenue, Williamstown, NJ 08094
Maryville Inc – Residential provides drug and alcohol treatment from its location at 1903 Grant Avenue in Williamstown, New Jersey. It is a nonprofit provider. The Residential program is operated by Maryville Inc.
Levels of care offered here include detox (medically supervised withdrawal), residential (inpatient) treatment, medication-assisted treatment (MAT), and co-occurring (dual diagnosis) mental health treatment. Clinicians use approaches such as brief intervention, cognitive behavioral therapy, contingency management/motivational incentives, motivational interviewing, and Matrix Model. For opioid use disorder, the program uses buprenorphine and naltrexone. It also prescribes medication for alcohol use disorder.
For payment, the facility accepts government funding for substance use treatment, Medicaid, military insurance (TRICARE), private health insurance, cash or self-payment, and state-financed health insurance plan other than Medicaid. A sliding fee scale based on income is available. Coverage depends on your specific plan, so verify benefits before admission.
The program accepts young adults, adults, and seniors. It offers specialized groups for clients with co-occurring mental and substance use disorders. Services are available in Spanish. Sign language services are available for deaf and hard-of-hearing clients.
Maryville Inc – Residential is accredited by Commission on Accreditation of Rehabilitation Facilities (CARF) and licensed or certified by the state substance use treatment agency and state department of health.
Support services include aftercare/continuing care, discharge planning, naloxone and overdose education, and outcome follow-up after discharge.
Payment assistance (check with facility for details) · Sliding fee scale (fee is based on income and other factors)
| Licensing & accreditation | State substance use treatment agency, State department of health, Commission on Accreditation of Rehabilitation Facilities (CARF) |
|---|---|
| Ages accepted | Young Adults, Adults, Seniors |
| Language services | Spanish, Sign language services for the deaf and hard of hearing, Italian, Polish, Russian |
| Operated by | Private non-profit organization |
1903 Grant Avenue
Williamstown, NJ 08094
Facility's own contact855-823-3428 · maryvillenj.org
Maryville Inc – Residential lists the following levels of care: detox, inpatient / residential, medication-assisted treatment (MAT), and dual diagnosis. Services can change, so confirm current programs before admission.
According to SAMHSA data, Maryville Inc – Residential accepts government funding for substance use treatment, medicaid, military insurance (tricare), private health insurance, cash or self-payment, and state-financed health insurance plan other than medicaid. Your exact coverage depends on your plan and network status. You can check your benefits with your insurer, or call (877) 847-2855 for a free benefits check.
Yes. Maryville Inc – Residential provides detoxification (medically supervised withdrawal) services, including alcohol detoxification, benzodiazepines detoxification, cocaine detoxification, methamphetamines detoxification, and opioids detoxification.
Yes. Maryville Inc – Residential reports accreditation from CARF. Accreditation means the facility meets independent quality and safety standards.
Maryville Inc – Residential accepts young adults, adults, and seniors. Specialized groups include adult women and clients with co-occurring mental and substance use disorders.
Admission usually starts with a phone screening and insurance check, followed by an assessment. You can contact Maryville Inc – Residential directly at 855-823-3428. To compare Maryville Inc – Residential with other options and verify your insurance, call our admissions helpline at (877) 847-2855. Our helpline is not affiliated with Maryville Inc – Residential.
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Source: SAMHSA FindTreatment.gov, data updated October 2026. Facilities report this information to SAMHSA, and it can change, so confirm details before admission. A listing is not an endorsement. StartDrugRehab is not affiliated with Maryville Inc – Residential.
