Dr. Regan graduated from Oregon Health & Science University (OHSU). He later completed his internship and residency at the University of Minnesota. Dr. Regan finished his gastroenterology fellowship at the University of Illinois at Chicago. His areas of focus include biliary tract, gallbladder and pancreatic diseases. He also treats esophagus, stomach, small intestine and colon disease at The Oregon Clinic – Gastroenterology East. Read More >>