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Mark  Ehrenreich

Mark Ehrenreich M.D.

Academic Title: Assistant Professor
Primary Appointment: Psychiatry
Administrative Title: Division Director, Consultation Program Director, Psychiatry , Division Director, Psychiatric Consultation
Additional Title(s): Director of the University of Maryland/Sheppard Pratt Psychiatry Residency Training Program, Director, Division of Consultation-Liaison Psychiatry
Location: 701 W. Pratt Street, Room 476
Phone: 410-328-6325
Phone: 410-328-6090
Fax: 410-328-1757

Personal History:

Mark J. Ehrenreich, MD is Assistant Professor and Director of Education of the Department of Psychiatry at the University of Maryland School of Medicine. He is also the Director of the University of Maryland/Sheppard Pratt Psychiatry Residency Training Program, the Director of the Division of Consultation Liaison Psychiatry and the Director of the Psychosomatic Medicine Fellowship Program. Dr. Ehrenreich received his B.A. (major: biology-psychology) summa cum laude at Wesleyan University in Middletown, Connecticut in 1980 and his MD cum laude at the University of Maryland School of Medicine in 1985. He completed his residency training in psychiatry at the University of Maryland Medical System. Dr. Ehrenreich joined the University of Maryland faculty in 1989. Dr. Ehrenreich is a Distinguished Fellow of the American Psychiatric Association and a Fellow of the Academy of Psychosomatic Medicine.

Research Interests:

Dr. Ehrenreich's research interest include the psychiatric care of the medically ill, delirium, and psychiatric education.


Ehrenreich MJ. A case of the re-emergence of panic and anxiety symptoms after initiation of a high-protein, very low carbohydrate diet. Psychosomatics 47(2):178-9, 2006.

Himelhoch S, Ehrenreich M. Psychotherapy by primary-care providers: results of a national sample. Psychosomatics 48(4): 325-30, 2007.

Ehrenreich MJ, Robinson CT, Glovinsky DB, Dixon LB, Medoff DR, Himelhoch SS. Medical Inpatients' Adherence to Outpatient Psychiatric Aftercare: A Prospective Study of Patients Evaluated By an Inpatient Consultation Liaison Psychiatry Service. International Journal of Psychiatry in Medicine. 44(1): 1-15, 2012.

Teslyar P, Stock VM, Wilk CM, Camsari U, Ehrenreich MJ, Himelhoch S. Prophylaxis with Antipsychotic Medication Reduces the Risk of Post-Operative Delirium in Elderly Patients: A Meta-Analysis. Psychosomatics 54: 124-131, 2013