Photograph of Dr. Sante Bologna

Sante D. Bologna, MD FACP
is American Board of Internal Medicine certified in Gastroenterology and Internal Medicine. He is the senior partner and was instrumental in forming the group in 1992. A graduate of Wayne State University, Dr. Bologna served as Chief Resident at Henry Ford Hospital, prior to completing his three-year GI fellowship there. Dr. Bologna enjoys all aspects of GI and liver diseases and has a particular interest in motility disorders, GERD, Helicobacter pylori and colon cancer. He performs all diagnostic and therapeutic diagnostic endoscopic procedures. Dr. Bologna is a Fellow of the American College of Physicians, a member of the American Society of Gastrointestinal Endoscopy, American College of Physicians, American College of Gastroenterology, Michigan Society of Gastrointestinal Endoscopy and the Crohn's and Colitis Foundation. He is the Director of the Esophageal Motility Laboratory at William Beaumont Hospital, Troy. Dr. Bologna is well published and has presented many papers, both nationally and locally and in addition is a national speaker for several pharmaceutical companies. Dr. Bologna is on staff at William Beaumont Hospital in Troy.

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Photograph of Dr. John Weber

John R. Weber, MD
is American Board of Internal Medicine certified in Gastroenterology and Internal Medicine. Dr Weber joined the group in 1997 from the University of California, San Francisco (UCSF), where he was Assistant Professor of Gastroenterology. Dr. Weber received his undergraduate and medical degrees from the University of Michigan. He completed his Internal Medicine residency at the University of Minnesota and did three years of Gastroenterology Fellowship Training at UCSF. He was a member of the faculty at UCSF from 1992-1997. He also served as an Honorary Consultant in Gastroenterology at the Royal Liverpool University Hospital in Liverpool, England. Dr. Weber has been active in clinical teaching and National Institute of Health research. He has published in both scientific journals and gastroenterology texts. Memberships include the American Gastroenterology Association (AGA) and the Michigan State Medical Society (MSMS). Dr. Weber is on staff at William Beaumont Hospital in Troy.

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Photograph of Dr. Richard Wille

Richard T. Wille, MD
is American Board of Internal Medicine certified in Gastroenterology and Internal Medicine.  Dr. Wille completed his undergraduate studies at Wayne State University. He attended the University of Michigan for medical school, Internal Medicine residency and fellowship training in Gastroenterology/Hepatology. He also served as Chief Medical Resident in 1993.  Dr. Wille has a special interest in biliary and pancreatic disease and training in endoscopic ultrasound and is currently the Director of the Endoscopy Unit at William Beaumont Hospital, Troy. Dr. Wille has presented papers at national conferences on gastrointestinal diseases. He performs all diagnostic and therapeutic endoscopic procedures.  Dr. Wille is on staff at William Beaumont Hospital in Troy.

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Photograph of Dr. Partha Nandi

Partha S. Nandi, MD FACP
is American Board of Internal Medicine certified in Gastroenterology and Internal Medicine. He performed his undergraduate studies at Ohio State University, where he graduated summa cum laude.  Dr Nandi obtained his medical degree at Wayne State University, where he graduated with distinction. He also completed his Internal Medicine residency at Wayne State University.  His three-year Gastroenterology fellowship was completed at the University of Michigan.  Dr. Nandi has a special interest in therapeutic endoscopy and endoscopic ultrasound. He is the author of several peer reviewed publications and lectures residents and fellow physicians regarding topics in gastroenterology and hepatology. Dr. Nandi performs all diagnostic and therapeutic endoscopic procedures.  He is a member the American Medical Association, the American College of Gastroenterology, the American Gastroenterology Association and the American Society of Gastroenterological Endoscopy.  Dr. Nandi is on staff at William Beaumont Hospital in Troy.

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Photograph of Dr. Emin Donat

M. Emin Donat, MD FRCPC
is American Board of Internal Medicine certified in Gastroenterology and Internal Medicine. He is a Fellow of the Royal College of Physicians of Canada. Dr. Donat is a graduate of University of Western Ontario, Canada, where he also obtained his medical degree. Dr. Donat completed his residency and three year Gastroenterology fellowship at University of Ottawa, Canada, where he was Chief Resident, Division of Gastroenterology in 1997. He has held consultancy positions in gastroenterology at both the Ottawa Hospital and the Canadian Forces Support Unit, in Ottawa Canada. Before joining Troy Gastroenterology, Dr. Donat was with the Wellborn Clinic in Evansville, IN. He performs all diagnostic and therapeutic endoscopic procedures and has a special interest in biliary and pancreatic disease. Dr. Donat is a member of the American College of Gastroenterology and the American Gastroenterology Association. Dr. Donat is on staff at William Beaumont Hospital in Troy.

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Photograph of Dr. Leonard Quallich

Leonard G. Quallich III, MD
is Board certified in Internal Medicine and board certified in Gastroenterology.  He performed his undergraduate and medical school studies at Case Western Reserve University in Cleveland, Ohio.  Dr. Quallich completed his Internal Medicine and Gastroenterology/Hepatology training at the University of Michigan.  He is the author of peer-reviewed publications in liver and biliary disease.  Dr. Quallich performs all diagnostic and therapeutic endoscopic procedures.  He has a special interest in pancreatic and biliary diseases and performs endoscopic ultrasound examinations.  He is a member of the American Gastroenterology Association,  American Society for Gastrointestinal Endoscopy and the American College of Gastroenterology.  Dr. Quallich is on staff at William Beaumont Hospital in Troy.

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Photograph of Dr. Anezi Bakken

Anezi E. Bakken, MD MS
is Board certified in Internal Medicine and in Gastroenterology.  Dr. Bakken completed her undergraduate and medical school studies at the University of Nigeria, and had three years of further medical training at various hospitals in the United Kingdom.  She then completed her Internal Medicine residency at Wayne State University.  Her three year Gastroenterology and Hepatology fellowship was completed at Rush-Presbyterian-St. Luke's Medical Center in Chicago.  Dr. Bakken also has a Master of Science degree in Clinical Research from Rush University.  She has presented papers at national conferences on gastrointestinal diseases.  She performs all diagnostic and therapeutic endoscopic procedures.  She is a member of the American Medical Society, American College of Gastroenterology, American Gastroenterology Association, and the American Society of Gastrointestinal Endoscopy.  Dr. Bakken is on staff at William Beaumont Hospital in Troy.

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Page Last Revised or Updated: 30 June 2013