Personalized, compassionate care for adults with chronic mental illnesses


Treatment Team

Program Leadership

Erin B. Sandler, LICSWErin B. Sandler, LICSW, Program Director

Since joining McLean Hospital in 2013, first working at Appleton House as a clinical team manager, Ms. Sandler has implemented person centered care, building elements of dialogical practice into the Appleton group and milieu structure. She has intensive training in dialectical behavior therapy and has supervised social workers preparing for their LICSW.

William P. Carter, MDWilliam P. Carter, MD, Medical Director

Dr. Carter received his MD from Harvard Medical School before completing his residency in adult psychiatry at McLean Hospital. Staying on at McLean since residency, he has held leadership positions in teaching, research, and clinical settings. Board certified by the American Board of Psychiatry and Neurology, Dr. Carter is an assistant professor of psychiatry at Harvard Medical School.

Joseph Stoklosa, MAJoseph Stoklosa, MD, Clinical Director, Psychotic Disorders Division

Dr. Stoklosa is an instructor in psychiatry at Harvard Medical School (HMS) and the assistant program director for the MGH/McLean Adult Psychiatry Residency Training Program. He has earned several teaching awards from the HMS medical students, as well as from the MGH/McLean psychiatry residents. His research focuses on education including founding the Clinician Educator Program to train MGH/McLean residents to become clinician-educators.

Staff and Associates

Our multidisciplinary treatment team includes psychiatrists, licensed independent clinical social workers, occupational therapists, psychiatric nurses, and community residence counselors who work with referring physicians and mental health professionals on the resident’s behalf.

These dedicated and well-trained clinicians and support staff have extensive background in the treatment of serious and persistent psychiatric conditions and specialize in helping patients to understand, accept, and effectively manage their illnesses. Our clinicians have experience working with patients from diverse cultural and socioeconomic backgrounds from across the country and around the world.

Appleton operates within the Psychotic Disorders Division, led by Dost Öngür, MD, PhD.