Multidisciplinary Team

 
 
Director, Partial Hospital Program and Outpatient Practice

Mark Zimmerman, MD received his medical degree from Chicago Medical School. He completed his postgraduate training at the Medical College of Pennsylvania.

Dr. Zimmerman is board certified in psychiatry and is professor of psychiatry and human behavior at The Warren Alpert Medical School of Brown University. 

He is principal investigator of the Rhode Island Methods to Improve Diagnostic Assessment and Services (MIDAS) project. Dr. Zimmerman is the author of more than 300 articles and serves on the editorial board of 10 journals.

He is the author of the recently revised Interview Guide for Evaluating DSM-5 Psychiatric Disorders and the Mental Status Examination, a leading textbook for psychiatric diagnosis and assessment. 

Catherine D’Avanzato, PhD
Clinical Psychologist

Dr. D’Avanzato received her PhD in clinical psychology from the University of Miami.  She completed her residency in clinical psychology, as well as a clinical research fellowship, at The Warren Alpert Medical School of Brown University.She is a member of the Association for Behavioral and Cognitive Therapies, the Association for Contextual Behavioral Science, and the Anxiety Disorders Association of America.

She is the author of scientific publications on the etiology, assessment and treatment of depression and related anxiety disorders.

Staff Psychologist

Darren W. Holowka, PhD, is a staff psychologist in the adult Partial Hospital Program at Rhode Island Hospital.

Dr. Holowka received his PhD in clinical psychology from the University of Massachusetts Boston.  He completed his residency at the Royal Ottawa Mental Health Centre and a clinical research fellowship at the National Center for PTSD, VA Boston Healthcare System. He is a clinical assistant professor in the department of psychiatry and human behavior at the Warren Alpert Medical School of Brown University.

He is the author of scientific publications on the assessment and treatment of posttraumatic stress disorder and other consequences of psychological trauma, including anger, guilt, and functional impairment.

 

Director, Behavioral Therapy, Lifespan Recovery Center

Kirsten Langdon, PhD, is a clinical psychologist and the director of behavioral therapy at the Lifespan Recovery Center. She is also an assistant professor in the Department of Psychiatry and Human Behavior at The Warren Alpert Medical School of Brown University. Dr. Langdon received her doctoral degree in clinical psychology from the University of Vermont in Burlington. She completed her residency in clinical psychology at The Warren Alpert Medical School of Brown University and affiliated hospitals, and a fellowship in clinical research in the National Center for PTSD Women’s Health Sciences Division at the VA Boston Healthcare System. Dr. Langdon is an active member of the Society for Research on Nicotine & Tobacco and the Association for Contextual Behavioral Science. She is the author of scientific publications focused on identifying and modifying cognitive and affective mechanisms that underlie the co-occurrence of mood/anxiety and substance use disorders.

Sarah McCutcheon, MA
Acute Care Psychotherapist

Sarah McCutcheon, MA, is an acute care psychotherapist at the Rhode Island Hospital Partial Hospital Program.

She received her master of arts degree in counseling psychology from William James College (formerly the Massachusetts School of Professional Psychology) in Newton, Massachusetts.

Psychiatrist

Lucille Bess Mehring, MD, is a psychiatrist in the Rhode Island Hospital Partial Hospital Program.

Dr. Mehring received her medical degree from Jefferson Medical College in Philadelphia and completed her residency in family medicine and psychiatry at the University of Iowa Hospitals and Clinics. Dr. Mehring is board certified in psychiatry.  

 

 

 
 

Theresa A. Morgan, PhD, is a staff psychologist at the Rhode Island Hospital Partial Hospital Program.

Dr. Morgan received her doctorate from the University of Iowa. Her predoctoral and postdoctoral training were both completed at The Warren Alpert Medical School of Brown University, where she is currently a clinical assistant professor in the department of psychiatry and human behavior.

She is an active member of the Society for Research in Psychopathology, Association for Contextual Behavioral Science, and the North American and International Societies for the Study of Personality Disorders, and has authored scientific publications on the assessment, diagnosis, and treatment of personality and mood disorders.
 

Postdoctoral Fellow in Clinical Psychology

Brian Pilecki, PhD, is a postdoctoral fellow in clinical psychology at the Rhode Island Hospital Partial Hospital Program and The Warren Alpert Medical School of Brown University. 

Dr. Pilecki received his PhD in clinical psychology from Fordham University, and completed his internship in clinical psychology at the Weill-Cornell Medical College in New York. Pilecki is the deputy chairperson of a national Association for Contextual Behavioral Science (ACBS) committee, as well as membership chairperson of a local ACBS chapter.

He is the author of scientific publications in the areas of anxiety disorders, mindfulness-based treatments, and the relationship between theory and practice in psychotherapy.
 

Sydney Moon, MD
Psychiatrist

Sydney Moon, MD, is a psychiatrist at the Rhode Island Hospital Adult Partial Hospital Program. She received her medical degree from Korea University, Seoul South Korea. She completed her residency training at the University of Pennsylvania and Institute of Psychiatry at Pennsylvania Hospital.

Dr. Moon is double-board-certified in general psychiatry and psychosomatic medicine by the American Board of Psychiatry and Neurology. She received her fellowship training at the M.D. Anderson Cancer Center, University of Texas, serving cancer patients’ psychiatric needs. 
 

Thomas Sheeran, PhD, is a clinical psychologist in Rhode Island Hospital's Partial Hospital, Mood Disorders, and Family Therapy programs. He also provides services through the Miriam Hospital Nursing Home Psychiatry Consultation program.

Dr. Sheeran received his PhD in clinical psychology from the University of Virginia. He completed postdoctoral training at The Warren Alpert Medical School of Brown University (clinical research) and at the Institute of Geriatric Psychiatry, Weill-Cornell Medical College (geriatric mental health services).