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Emmanuelle Depayre Williams, M.D.

Office Information

Penn State Hershey Gastroenterology
200 Campus Drive, Entrance 4, Suite 2400
Hershey, PA 17033
Tel: 800-243-1455 / 717-531-4950 Fax: 717-531-4870



Patient Services Provided

Multidisciplinary Care in Inflammatory Bowel Disease (IBD) Crohn’s disease Ulcerative colitis Celiac Disease General endoscopy including: upper endoscopy (EGD), diagnostic and screening colonoscopy, flexible sigmoidoscopy, small bowel enteroscopy, percutaneous endoscopic gastrostomy (PEG) Care of patients with general gastroenterology conditions

Practice Locations

Professional Education

Fellowship, Gastroenterology & Hepatology, University of Florida College of Medicine (Gainesville) (2010) Residency, Internal Medicine, University of Michigan Medical Center (Ann Arbor) (2006) M.D., Jefferson Medical College (Pennsylvania) (2003)


McAllister BP, Williams ED, Yoo LJ, Tinsley A, Koltun W, Follett S, Paskey D, Ardell C.
Refractory Peristomal Pyoderma Gangrenosum Successfully Treated with Intravenous Immunoglobulin: A Case Report. Am J Gastroenterol. 2015 Dec;110(12):1739-40

Iskandar H, Greer JB, Schraut WH, Regueiro MD, Davis PL, Hartman DJ, Siegel CA, Herfarth HH, Williams ED, Schwartz MB.
IBD Live Case Series – Case 1: Smoking, A Controversial but Effective Treatment for UC. Inflamm Bowel Dis. 2014 Oct;20(10):1696-701

Regueiro MD, Greer JB, Binion DG, Schraut WH, Goyal A, Keljo DJ, Cross RK, Williams ED, Herfarth HH, Siegel CA, Oikonomou I, Brand MH, Hartman DJ, Tublin ME, Davis PL, Baidoo L, Szigethy E, Watson AR.
The Inflammatory Bowel Disease Live Interinstitutional and Interdisciplinary Videoconference Education (IBD LIVE) Series. Inflamm Bowel Dis. 2014 Oct;20(10):1687-95

Mathers B, Williams E, Bedi G, Tinsley A.
An Electronic Alert System is Associated with a Significant Increase in Pharmacologic Venous Thromboembolism Prophylaxis Rates in Hospitalized Inflammatory Bowel Disease Patients. J Healthc Qual. 2016 May 5. [Epub ahead of print]

Poritz L, Sehgal R, Berg A, Laufenberg L, Choi C, Williams E.
Chronic use of PPI and H2 Antagonists Decreases the Risk of Pouchitis After IPAA for Ulcerative Colitis. J Gastrointest Surg. 2013 Jun;17(6):1027-31

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