Jeffrey Duman, MD

(503) 692-3750
Areas of Focus: 
Swallowing Dysfunction
Intestinal Bleeding
Capsule Endoscopy
Inflammatory Bowel Disease (IBD)
Liver Disease

About Me

My philosophy is to provide thorough and thoughtful care to my patients. This begins with attentive listening to their concerns, discussing their preferences and goals, and determining the best treatment plan for each individual patient. I realize that no two people are alike and different approaches are often successful in achieving good health.

- Jeffrey Duman, MD

Dr. Duman completed his undergraduate degree in biology at the University of Texas at Austin. He received his medical degree from the University of Texas Health Science Center at Houston and was accepted into the national medical honor society, Alpha Omega Alpha. He completed his three-year internal medicine residency, as well as a three-year gastroenterology fellowship at the University of Colorado Health Sciences Center. Dr. Duman has a special interest in disorders of the esophagus and improving colon cancer prevention.  Before joining The Oregon Clinic - Gastroenterology South, he conducted research in several areas including gender disparities in liver transplantation recipients and outcomes of patients with gastrointestinal bleeding. Over the years, he has presented the results of his research at several national scientific meetings and published in leading scientific journals.
Other Interests: 

In his free time, Dr. Duman enjoys skiing, exercise, exploring the Northwest, and spending time with his wife and two children.

My Work

Hospitals Served: 
Legacy Meridian Park Medical Center
Providence Newberg Medical Center
Providence Willamette Falls Medical Center

Education & Honors

Board Certified: 
  • Internal Medicine
  • Gastroenterology
Education & Training: 
  • Fellowship, Gastroenterology and Hepatology, The University of Colorado Health Sciences Center, Denver, CO, 2011
  • Residency, Internal Medicine, The University of Colorado Health Sciences Center, Denver, CO, 2008
  • MD, University of Texas Health Science Center at Houston, Houston, TX, 2005
  • BA, Biology, The University of Texas at Austin, Austin, TX, 2001
  • Portland Monthly Magazine, "Top Doctors", 2018
  • Alpha Omega Alpha Medical Honor Society
  • Rocky Mountain Hospital Medicine Symposium Abstract Competition, First Place Poster, 2006
Other Activities: 
  • Member, Oregon Medical Association
  • Member, American Association for the Study of Liver Diseases
  • Member, American Gastroenterological Association
  • Member, American Medical Association
  • Member, American Society for Gastrointestinal Endoscopy