Dr. Bryan Contreras, MD

Dr. Bryan Contreras is a board-certified gastroenterologist who has dedicated nearly three decades to digestive health care. He earned his medical degree from the Keck School of Medicine at the University of Southern California and completed his residency at UC Irvine Medical Center. With 29 years of clinical experience, Dr. Contreras brings extensive expertise to the diagnosis and treatment of gastrointestinal conditions. He is fluent in both English and Spanish, enabling him to serve diverse patient populations throughout southern Arizona.

Dr. Contreras practices at multiple Carondelet Health Network locations, including Saint Joseph's Hospital, Saint Mary's Hospital, and Marana Hospital in Tucson, as well as Arizona Gastroenterology Ltd in Green Valley. His clinical focus includes treating common digestive disorders such as hemorrhoids and diverticular disease. He performs essential diagnostic procedures including colonoscopy and both upper and lower gastrointestinal endoscopy to …help patients maintain optimal digestive health. Patients have given him an average rating of 4.1 out of 5 stars on Vitals, reflecting their confidence in his comprehensive gastroenterology care.