Department of Psychiatry
Penn Behavioral Health

Center for Weight and Eating Disorders

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Marion Vetter, MD, RD

Marion Vetter, M.D., R.D. is an Assistant Professor of Medicine in the Division of Endocrinology, Diabetes, and Metabolism at the Perelman School of Medicine.  She is also an active member of the Institute for Diabetes, Obesity, and Metabolism and serves as the Medical Director at the Center for Weight and Eating Disorders.  Dr. Vetter earned her BS in Nutritional Science from Cornell University and completed her dietetic internship at the National Institutes of Health.  She received her medical degree from the Albert Einstein College of Medicine and completed a primary care internal medicine residency at New York University.  She completed her endocrine fellowship at the University of Pennsylvania.

Dr. Vetter's research interests include mechanisms of diabetes remission following various weight loss interventions, with a particular emphasis on bariatric surgery.  She can be contacted at the Center for Weight and EAting Disorders, 3535 Market Street, Suite 3108, Philadelphia, PA 19104.  Her e-mail address is


Recent publications include:

Vetter ML, Dumon KR, Williams NN.  Surgical treatments for obesity.  Psychiatr Clin North Am 2011;34:881-93.

Wadden TA, Volger S, Sarwer DB, Vetter ML, Tsai AG, Berkowitz RI, et al.  A two-year randomized trial of obesity treatment in primary care practice.  N Engl J Med 2011;365:1969-79.

Vetter ML, Tsai AG, Lavenberg J, Moore RH, Perez JL, Volger S, et al.  Relation of health-related quality of life to metabolic syndrome, obesity, depression, and comorbid illnesses. Int J Obes 2011;35:1087-94.

Vetter ML, Volger S, Dalton-Bakes C, Wadden TA, Iqbal N.  Long-term effects of low-carbohydrate versus low-fat diets in severely obese individuals:  follow-up of a randomized controlled trial.  Ann Intern Med 2010;152:334-5.

Vetter ML, Cardillo S, Rickels M, Iqbal N.  Narrative review:  effect of bariatric surgery on type 2 diabetes mellitus.  Ann Intern Med 2009;150:94-103.