Dr. Michel Gagner, M.D.

Bariatric Surgeon

4 Westmount Sq Suite 250 Westmount, QC H3Z 2S6, Canada


Dr. Michel Gagner is a highly accomplished bariatric surgeon renowned for his pioneering work in minimally invasive surgery. With a Diploma in Sciences and an M.D. from the Faculté de Médecine de l’Université de Sherbrooke, he completed surgical training at McGill University, specializing in hepatic and pancreaticobiliary surgery. Dr. Gagner’s career includes professorships at prestigious institutions such as Mount Sinai School of Medicine and Weill Medical College of Cornell University. He is recognized for groundbreaking procedures, including laparoscopic adrenalectomy and transgastric cholecystectomy. With over 300 publications and extensive international experience, Dr. Gagner continues to lead advancements in bariatric and upper digestive tract surgery.


Dr. Michel Gagner, M.D.

Bariatric Surgeon


McGill University in Montreal from 1982 to 1988
Royal Victoria Hospital at McGill University from 1984 to 1986
Fellowships in hepatic surgery at Hospital Villejuif in Paris, France and pancreaticobiliary surgery at Lahey Clinic Medical Center in Burlington, Massachusetts, from 1989 to 1990.

Université de Montréal, School of Medicine, Hôtel-Dieu de Montrea
Franz Sichel Professor of Surgery and Director of the Minimally Invasive Surgery Center of Mount Sinai School of Medicine in New York, from 1998 to 2003.
Weill Medical College of Cornell University in New York
Dr. Gagner was co-surgeon for the first world transatlantic robotic cholecystectomy, between New York City and Strasbourg, France.


American Society for Metabolic and Bariatric Surgery (ASMBS)
American College of Surgeons, the Association for Academic Surgery
American Surgical Association
American Board of Surgery