Photo of Nancy J. Keuthen, PhD

Nancy J. Keuthen, PhD

  • Co-Director, Trichotillomania Clinic and Research Unit
  • Chief Psychologist, Obsessive-Compulsive Disorder Clinic and Research Unit


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Associate Professor of Psychology (Psychiatry), Harvard Medical School;Co-Director, Trichotillomania Clinic and Research Unit;Chief Psychologist, Obsessive Compulsive Disorder Clinic and Research Unit



Clinical Interests
  • Trichotillomania
  • Pathological skin picking
  • Body dysmorphic disorder
  • Panic and anxiety disorders
  • Obsessive compulsive disorder (OCD)
Medical Education
  • PhD, SUNY - Stony Brook
  • Fellowship, McLean Hospital
  • Boston: Massachusetts General Hospital
Insurances Accepted
  • Aetna Health Inc.
  • Beech Street
  • Blue Cross Blue Shield - Blue Care 65
  • Blue Cross Blue Shield - Indemnity
  • Blue Cross Blue Shield - Managed Care
  • Blue Cross Blue Shield - Partners Plus
  • Centene/Celticare
  • Great-West Healthcare (formally One Health Plan)
  • Health Care Value Management (HCVM)
  • Humana/Choice Care PPO
  • MassHealth
  • Medicare
  • Medicare - ACD
  • OSW - Maine
  • OSW - New Hampshire
  • Private Health Care Systems (PHCS)
  • Senior Whole Health
  • TriCare
  • Unicare
  • United Behavioral Health
  • United Behavioral Health - MGH
Patient Age Group

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Dr. Nancy Keuthen is a graduate of Brown Unversity and the clinical psychology program at Stony Brook University. She completed her internship at the Brockton-West Roxbury Veterans Administration Medical Center. Since 1986 she has been on staff at Massachusetts General Hospital and faculty at Harvard Medical School. Since 2001 she has been associate professor of psychology (psychiatry) at Harvard Medical School. She is the former director of the Cognitive Behavioral Therapy Program at Massachusetts General Hospital.

Dr. Keuthen has been chair, vice-chair and member of the scientific advisory board of the Trichotillomania Learning Center and member of the scientific advisory board of the International Obsessive-Compulsive Disorder Foundation. She has been guest editor for several scientific journals. She is a founding member of the International Trichotillomania Research Consortium.

Dr. Keuthen has made important contributions to the diagnosis, etiology and treatment of obsessive-compulsive disorder as well as the related disorders of trichotillomania, pathological skin picking and body dysmorphic disorder. Her bibliography lists nearly 100 peer-reviewed publications in this field in addition to a book, numerous chapters, educational materials and Internet-based self-help materials.

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Research & Publications

Research Summary
Dr. Keuthen has maintained broad research interests in the field of OCD and OC spectrum disorders including trichotillomania, pathological skin picking and body dysmorphic disorder. She has conducted psychosocial and pharmacological treatment outcomes research, documented longitudinal disorder course, explored brain structure and function, developed numerous assessment instruments, and currently is conducting genetics and family studies in this field. She has been the recipient of foundation and benefactor funding for her research.

See PubMed for recent publications.

Keuthen NJ, Koran LM, Aboujaoude E, Large MD, Serpe RT. The Prevalence of Pathological Skin Picking in U.S. Adults. Compr Psych 2010;51: 183-186.

Flessner CA, Penzel F, Trichotillomania Learning Center-Scientific Advisory Board, Keuthen NJ. Current treatment practices for children and adults with trichotillomania. Cog Behav Pract 2010; 17: 290-300.

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News & Events


Obsessive Compulsive Disorders Unit
185 Cambridge Street
2nd Floor
Boston MA, 02114-2790
Phone: 617-726-4074617-726-6766
Fax: 617-643-3080
Psychiatry-Outpatient Services
15 Parkman Street
Boston MA, 02114-3117
Phone: 617-726-4074
Fax: 617-726-7541

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