Michael C. Duffy, MD

Dr. Michael Duffy Gastroenterologist in Troy

Undergraduate Education:

  • Stanford University, Stanford CA

Medical Education:

  • Louisiana State University School of Medicine, New Orleans LA


  • Charity Hospital, New Orleans LA - Internship
  • University of Connecticut School of Medicine, Farmington CT- Chief resident


  • University of Connecticut-, Farmington CT - Gastroenterology
  • Yale University, New Haven CT - Hepatology (NIH Trainee)

Board Certifications:

  • American Board of Internal Medicine
  • American Board of Internal Medicine- Gastroenterology

Professional Appointments and Memberships:

  • Clinical Professor of Medicine, Wayne State University School of Medicine
  • Associate Clinical Professor of Medicine, Oakland University William Beaumont School of Medicine
  • Fellow, American College of Physicians
  • Fellow, American College of Gastroenterology
  • Member, American Gastroenterology Association
  • Member, Michigan Society of Gastroenterology
  • Member, American Society of Gastrointestinal Endoscopy
  • Member, Crohn’s & Colitis Foundation of America
  • Member, American Association for the Study of Liver Disease
  • Member, Michigan State Medical Society

Special Interests:

  • ERCP
  • Video capsule endoscopy
  • BARRX RFA (Barrett’s esophagus treatment)
  • Inflammatory bowel disease (Crohn’s disease, Ulcerative Colitis)
  • Irritable bowel syndrome
  • Reflux and Barrett’s esophagus
  • Biliary tract disease

Honors and Awards:

  • Yale University Gastroenterology Research Award; 1981
  • Detroit Monthly-Top Doctor List; 1994, 1996
  • Detroit Free Press- Top Doctor List; 1996, 1998
  • Detroit Hour Magazine- Top Doctor List; 2000-2013, 2015
  • Best Doctors in America; 1999, 2003-2004, 2005-2007, 2009-2012, 2015-2016
  • StyleLine Magazine- Best Doctors for Women; 2009-2010, 2012, 2014
  • Vital Magazine- Best Doctors List; 2008
  • Who’s Who in America; 2010
  • Castle Connolly- Top Doctor; 2013-2015

Other Interests:

Dr. Duffy has authored over 17 publications in peer-reviewed journals and books.  He has served on the board of directors of the Crohn’s & Colitis Foundation and as President of the Detroit GI Society. He is active in the Gastroenterology Fellowship at William Beaumont Hospital, having served as Fellowship Program Director for sixteen years.  He is currently the Associate Program Director, a position he has held since 2007. 

Office Location(s):

Gastrointestinal Specialists, PC
264 W. Maple Road
Suite 200
Troy, Michigan   48084
Location Phone: 248-273-9930
Location Fax: 248-273-9931