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Premier Medical Group

Elizabeth Williams, D.O. – Gastroenterologist, Poughkeepsie

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Dr. Elizabeth Williams joined our practice in 2015 as a Gastroenterologist. She is board certified in both Gastroenterology and Internal Medicine.  Dr. Williams completed her Gastroenterology and Hepatology fellowship at Winthrop University Hospital in Mineola, NY.

Dr. Williams treats patients with a wide variety of general gastrointestinal issues including celiac disease, GERD, IBD, IBS as well as provides colorectal cancer screening. She also specializes in diagnostic and therapeutic upper gastrointestinal endoscopy and colonoscopy and has extensive training in gastrointestinal nutrition.

Areas of Expertise:

  • Upper Gastrointestinal Endoscopy
  • Colonoscopy
  • Gastrointestinal Nutrition
  • Celiac disease
  • IBS
  • IBD
  • GERD
  • Pancreatitis

Hospital Affiliations:

Vassar Brothers Medical Center
45 Reade Place
Poughkeepsie, NY 12601
MidHudson Regional Hospital of Westchester Medical Center
241 North Road
Poughkeepsie, NY 12601

Board Certification:

Diplomate of the American Board of Gastroenterology
Diplomate of the American Board of Internal Medicine

Professional Medical Societies:

  • New York Society for Gastrointestinal Endoscopy
  • American College of Gastroenterology
  • American Gastroenterological Association


Fellowship Gastroenterology 2012-2015
Winthrop University Hospital
Mineola, NY
Residency 2009-2012
Winthrop University Hospital
Mineola, NY
Medical School 2005-2009
University of New England College of Osteopathic Medicine
Biddeford, ME
Elizabeth Williams, D.O. Elizabeth Williams, D.O.

Contact Information:

Premier Medical Group
243 North Road
Suite 304
Poughkeepsie, NY 12601

(845) 471-9410
(845) 471-7943