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Steven A. Rasmussen, MD
Steven A. Rasmussen, MD

Dr. Rasmussen received his MD from Brown Medical School and completed his psychiatry residency at Yale University. Since then, he has devoted his efforts to the research and treatment of OCD and is acclaimed internationally for his work in the field. Dr. Rasmussen has been recognized by The Best Doctors in America annually for over 20 years. He has authored and co-authored over 130 publications and has lectured at conferences and symposiums across the world regarding this illness. His research has been focused on long term outcome studies of OCD, epidemiologic studies, and integrated approaches to treatment. Along with Dr. Greenberg, he is pioneering the use of Gamma Knife Capsulotomy and Deep Brain Stimulation to treat OCD sufferers who fail to respond to conventional medication and psychotherapy. He was the 2014 recipient of the International OCD Foundation lifetime achievement award.

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Maria Mancebo, PhD
Maria Mancebo, PhD

Dr. Mancebo received her received her PhD. in clinical-school psychology from Hofstra University in 2002. She joined the OCD Research Program in 2001 and completed a post-doctoral fellowship with Drs. Steven Rasmussen, Jane Eisen, and Matt Evans. She is currently an Assistant Professor (Research) in the Department of Psychiatry and Human Behavior at Brown. She has expertise in cognitive-behavioral therapies (CBT) for OCD and hoarding. Dr. Mancebo's main research interests are in the long-term outcome of treatments for OCD and developing behavioral treatments for underserved populations. She is a co-investigator of the Brown Longitudinal OCD study and the principal investigator of a study to develop behavioral treatments for low-income populations with OCD. She has authored and co-authored manuscripts/chapters on phenomenology of OCD across the lifespan, co-occurring disorders, stability of OCD symptoms over time, and treatments of OCD in clinical settings.

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Kimberley L. Chiappone, MD
Kimberley L. Chiappone, MD

Staff Psychiatrist - After completing her medical degree at SUNY Buffalo’s School of Medicine, Dr. Chiappone completed her General Psychiatry residency through Brown University where she became particularly interested in working with patients struggling with Obsessive-Compulsive Disorder. She is now the psychiatrist for the Obsessive Compulsive Disorder/Anxiety Disorder Intensive Outpatient Program in addition to outpatient work.

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Megan Smith
Megan L. Smith, LICSW

Program Therapist - Megan received her MSW from Simmons College School of Social Work in 2009 – completing internships at the Lemuel Shattuck Hospital in Jamaica Plain and at Massachusetts Institute of Technology’s Student Health Services. Megan relocated to Rhode Island in order to work at Gateway Healthcare, where for seven years she held positions as a Clinical Specialist and then as a Team Leader for an Integrated Health Home Team, providing outpatient mental health treatment to adults with chronic and persistent mental illness.

From 2010 to 2015, Megan was the lead therapist on a research study implementing a protocol for using Exposure and Response Prevention therapy to treat adults diagnosed with OCD in a community mental health care setting. In addition to her work in the IOP, Megan maintains an outpatient psychotherapy practice at Butler Hospital Outpatient Behavioral Health and is a member of the Rhode Island Hoarding Task Force.