Headshot of Mountainside Treatment Center's staff member Erin O'Neil

Erin O’Neil

Outpatient Regional Director — Canaan, Wilton, Virtual


Erin is a Licensed Clinical Social Worker, Eye Movement Desensitization and Reprocessing International Association-certified clinician, and EMDR Consultant with ample experience in the treatment of addiction and post-traumatic stress. Through modalities such as Motivational Interviewing, IPNB, Ego State Therapy, and Somatic Experiencing, she collaborates with clients who are working toward healing. In her current role, Erin uses a trauma-informed approach to help clients develop coping skills as well as process and resolve the deeper issues that contribute to their addictions. Outside of work, Erin enjoys spending time with family, being outdoors (activity doesn’t matter), traveling, and reading.