William Samuel Yancy, MD

Associate Professor of Medicine
Campus mail 501 Douglas Street, Duke Diet & Fitness Center, Durham, NC 27705
Phone (919) 681-2863
Email address yancy006@mc.duke.edu

Impact of obesity on health, health care delivery, quality of life.
Diet and other weight loss interventions
Preventive medicine

Education and Training

  • Fellow in General Internal Medicine, Medicine, Duke University, 1999 - 2001
  • Chief Medical Resident, Medicine, University of Pittsburgh, 1998 - 1999
  • Medical Resident, Medicine, University of Pittsburgh, 1995 - 1998
  • M.D., East Carolina University, 1995


Merrill, Jennifer D., Diana Soliman, Nitya Kumar, Sooyoung Lim, Afreen I. Shariff, and William S. Yancy. “Low-Carbohydrate and Very-Low-Carbohydrate Diets in Patients With Diabetes.” Diabetes Spectr 33, no. 2 (May 2020): 133–42. https://doi.org/10.2337/ds19-0070.

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Voils, Corrine I., Kara L. Gavin, William S. Yancy, Janet Grubber, and Maren K. Olsen. “LONG-TERM EHR-MEASURED WEIGHT CHANGES FOLLOWING A RANDOMIZED CONTROLLED TRIAL OF A WEIGHT LOSS MAINTENANCE INTERVENTION.” In Annals of Behavioral Medicine, 54:S621–S621, 2020.


Mitchell, Nia S., Julia J. Scialla, and William S. Yancy. “Are low-carbohydrate diets safe in diabetic and nondiabetic chronic kidney disease?” Ann N Y Acad Sci 1461, no. 1 (February 2020): 25–36. https://doi.org/10.1111/nyas.13997.

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Smith, Valerie A., David E. Arterburn, Theodore S. Z. Berkowitz, Maren K. Olsen, Edward H. Livingston, William S. Yancy, Hollis J. Weidenbacher, and Matthew L. Maciejewski. “Association Between Bariatric Surgery and Long-term Health Care Expenditures Among Veterans With Severe Obesity.” Jama Surg 154, no. 12 (December 1, 2019): e193732. https://doi.org/10.1001/jamasurg.2019.3732.

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Yancy, William S., Matthew J. Crowley, Moahad S. Dar, Cynthia J. Coffman, Amy S. Jeffreys, Matthew L. Maciejewski, Corrine I. Voils, Anna Barton Bradley, and David Edelman. “Comparison of Group Medical Visits Combined With Intensive Weight Management vs Group Medical Visits Alone for Glycemia in Patients With Type 2 Diabetes: A Noninferiority Randomized Clinical Trial.” Jama Intern Med, November 4, 2019. https://doi.org/10.1001/jamainternmed.2019.4802.

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Yancy, William S., Pamela A. Shaw, Catherine Reale, Victoria Hilbert, Jiali Yan, Jingsan Zhu, Andrea B. Troxel, Gary D. Foster, and Kevin G. Volpp. “Effect of Escalating Financial Incentive Rewards on Maintenance of Weight Loss: A Randomized Clinical Trial.” Jama Netw Open 2, no. 11 (November 1, 2019): e1914393. https://doi.org/10.1001/jamanetworkopen.2019.14393.

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Alexopoulos, Anastasia-Stefania, William S. Yancy, David Edelman, Cynthia J. Coffman, Amy S. Jeffreys, Matthew L. Maciejewski, Corrine I. Voils, et al. “Clinical associations of an updated medication effect score for measuring diabetes treatment intensity.” Chronic Illn, October 25, 2019, 1742395319884096. https://doi.org/10.1177/1742395319884096.

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