At Mountainside Treatment Center, a nationally acclaimed drug addiction treatment and alcohol rehabilitation center, we believe that you can make a difference no matter the position you hold. Each employee plays an important role in caring for clients, giving them a unique and positive experience during their stay. Founded in 1998, Mountainside is a leading provider of chemical dependency treatment services. We have locations in Connecticut (Canaan and Wilton), New York (Manhattan, Chappaqua and Huntington) and New Jersey (Ramsey). We also serve Massachusetts virtually. More about our company can be found at http://mtsi.de/treatment. You may also call 888-510-8852 (toll-free). ===== CONNECT WITH MOUNTAINSIDE: Facebook: http://www.facebook.com/mountainsidetreatment Instagram: http://www.instagram.com/mountainsidect Twitter: http://www.twitter.com/mountainside
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Mountainside Questions
The Mountainside annual revenue was $8.3 million in 2026.
Michael Ma is the Managing Partner of Mountainside.
5 people are employed at Mountainside.
Mountainside is based in Canaan, Connecticut.
The NAICS codes for Mountainside are [62, 621, 6214, 62142, 621420].
The SIC codes for Mountainside are [80, 83, 809].
Top Mountainside Employees
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Michael Ma
Managing Partner at Mountainside
New York, NY, US25 -
Michelle Williamson
Senior Director of Revenue Cycle at Mountainside
New York, New York, United States1 -
Melissa Ventura
Billing Assistant Manager at Mountainside
New York, NY, US4
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