Dr. Dundulis diagnoses and treats diseases of the digestive system, including the esophagus, stomach, intestines, liver, gall bladder, and pancreas. Conditions include difficulty swallowing, acid reflux, ulcers, hepatitis, GERD, Colitis, Crohn’s Disease/ulcerative colitis, irritable bowel syndrome, and abdominal pain. He also has a special interest in preventing the cancers of the gastrointestinal tract.

About Jason Dundulis, MD

Dr. Dundulis is married and resides in Jefferson City.


Bowdoin College (BA Mathematics), University of Missouri-Columbia School of Medicine (MD Allopathic Medicine), University of Missouri Hospitals & Clinics (Internal Medicine Residency), University of Missouri-Kansas City (Gastroenterology & Hepatology Fellowship)

Awards / Honors

Member of the American College of Gastroenterology & the American Gastroenterological Association