Patrick Chiasson, MD

Patrick Chiasson, M.D., is a board-certified, fellowship-trained minimally invasive surgeon. He provides surgical treatment of diseases of the foregut (esophagus and stomach) in the Tucson community. His bariatric practice includes both primary Endoscopic (Sleeve Gastroplasty, Intra-Gastric Balloon) and Laparoscopic (sleeve gastrectomy, gastric bypass, Single Anastomosis Duodenal Switch-Sleeve) procedures. He also performs all Endoscopic and Laparoscopic revision weight loss surgery procedures for both weight regain and complications of primary procedures. His foregut surgical practice addresses LPRD/GERD, Hiatal Hernia, Achalasia, and benign and malignant conditions of the esophagus and stomach.

Dr. Chiasson was an early adopter of both new techniques and technology in the surgical treatment of these diseases. He is a member of the American Society for Metabolic and Bariatric Surgery, the American Foregut Society and SAGES. He has numerous publications to his credit that address such issues as minimally invasive surgery techniques and outcomes, health policy, medical ethics and health law.