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Maryville Addiction Treatment Center, Williamstown, New Jersey

Last Updated: April 25, 2022

Authored by Dr. Ahmed Zayed

Reviewed by Michael Espelin APRN

Overview of Maryville Addiction Treatment Center

Maryville Addiction Treatment Center was founded in 1949 and has been serving as a behavioral healthcare facility for the last 69 years. It is situated in Williamstown, New Jersey, roughly a 45 minutes drive away from Philadelphia. The center provides rehabilitation and treatment for both substance abuse as well as underlying co-occurring disorders that may have caused the chemical dependency.

The center provides a 12-step based specialized treatment programs to male and female adult victims of substance abuse. Their comprehensive continuum of treatment includes detox if necessary, inpatient or outpatient care, followed by aftercare. The treatment plans offered here are short-term and last anywhere between 14-28 days. The average length of stay in inpatient care is 20 days.

The inpatient facilities are located in Gloucester County in a sprawling campus that exudes a peaceful ambiance. This allows resident clients the peace and quiet necessary for their recovery. The outpatient services are offered at a variety of locations that include Atlantic, Cumberland, and Gloucester. This ensures that prospective clients have a range of options available in choosing the center most convenient to them.

Accommodation and Food

Maryville Addiction houses its inpatient clients in a secluded campus on a 40-acre plot of land. The wooded property with its well-maintained gardens provides the perfect backdrop to carry out outdoor therapy sessions. The grounds also provide ample space and a tranquil atmosphere for clients to just relax on their own or socialize with their fellow residents.

The residential quarters can house a maximum of 76 clients. Several newly constructed buildings located in a cluster serve as housing space as well as offices where therapies are offered. Rooms are shared by two or three residents. They offer splendid views of the woods surrounding the campus. Food is provided in cafeteria-style from a menu prepared by a licensed dietician in order to ensure maximum nutrient intake.

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Treatment Options at Maryville Addiction Treatment Center

The facility offers both inpatient and outpatient treatment options to better serve the particular needs of individual clients. If an incoming client wants to undergo an incentive short-term treatment under the constant supervision of a qualified medical staff, the inpatient residential program is their best bet. Such treatment goes a long way in preventing any chances of relapse, which is especially high right after detox.

On the other hand, some clients may have work or the social obligations that they are unwilling to forgo. For such clients, outpatient care is the better fit as it allows them to undergo treatment while carrying on with other day-to-day duties. Maryville Addiction Treatment’s outpatient services are offered at five different locations making them easily accessible to a lot of people.

Inpatient services

  • Medication Assisted Treatment
  • Substance abuse treatment
  • Dual diagnosis treatment

Outpatient services

  • Intensive Outpatient Treatment (IOP)
  • Substance abuse treatment
  • Dual diagnosis treatment

Therapy Choices at Maryville Addiction Treatment Center

The treatment center provides a range of therapies that are 12-step compliant and evidenced based. These therapy choices include:

  • 12 step meetings
  • On-site AA meetings
  • Individual counseling
  • Group therapy
  • Cognitive Behavioral Therapy
  • Dialectic Behavioral Therapy
  • Detox
  • Relapse prevention

Payment Options and Insurances

Maryville Addiction Treatment Center offers one of the most affordable treatment programs in the entire tri-state area. They prioritize low cost and effective rehabilitation that can be made accessible to most people. The facility accepts payments through both self-pay and insurance which include:
Aetna Insurance Network


  • Accredited by CARF
  • Licensed by the State of New Jersey
  • Member of the National Association Addiction Treatment Providers (NAATP)

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Maryville Addiction Treatment Center Amenities

Maryville provides detox and rehabilitation to substance abuse victims at its inpatient facility located in Gloucester County as well as at numerous outpatient centers across several counties. Their detox facilities deal with chemical dependencies on opiates, including heroin with buprenorphine, alcohol, and barbiturates.

The team at the facility also recognizes that chemical dependencies are often developed due to untreated mental disorders. Substance abuse, in turn, causes further mental health issues in victims. Consequently, the programs offered here are devised to combat both chemical dependencies and any co-occurring disorders.


The facility employs a qualified team comprising licensed alcohol counselors, mental health coordinators, clinical social workers, nurses, etc. They provide round the clock supervision and diligent oversight to ensure the smooth recovery of the clients on their watch. Some of the important staff members and their respective roles are:

Kendria McWilliams
Chief Executive Officer

Kendria McWilliams has over 25 years of experience in the field of behavioral health care and social services. Furthermore, she has served as CEO at various other organizations for 15 years. She brings all her considerable leadership experience to her position as the CEO of Maryville Treatment Center which she assumed in 2011. She has a Bachelor of Science in Business Management from Ursinus College and an MBA from the West Chester University of Pennsylvania.

Jared Levy
Chief Financial Officer

Jared Levy joined Maryville Inc. in December 2015 a Chief Financial Officer. He brings years of experience in financial management in the healthcare industry. As CFO at Maryville, he is in charge of providing accounting oversight, strategic planning, and leadership. He has a Bachelor of Science in Accounting and an MBA.

Mary Jo Bernardo
Director of Performance Improvement and Corporate Compliance

Mary Jo Bernardo joined Maryville in January 2017. As Director of Performance Improvement and Compliance, she is in charge of developing and implementing continuous quality improvement as well as ensuring the programs’ compliance with licensing and safety standards. She has a BA in Education and an M.Ed. in Counseling Services from the William Paterson University of New Jersey.

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Published on: November 27th, 2018

Updated on: April 25th, 2022

About Author

Dr. Ahmed Zayed

Dr. Ahmed Zayed has degrees in Medicine and Surgery and is a graduate of The University of Alexandria. Dr. Ahmed Zayed has a passion for writing medical and healthcare articles and focuses on providing engaging and trustworthy information to readers.

Medically Reviewed by

Michael Espelin APRN

8 years of nursing experience in wide variety of behavioral and addition settings that include adult inpatient and outpatient mental health services with substance use disorders, and geriatric long-term care and hospice care.  He has a particular interest in psychopharmacology, nutritional psychiatry, and alternative treatment options involving particular vitamins, dietary supplements, and administering auricular acupuncture.

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