Finding Bariatric Doctors Like Dr. Duperier - When looking for bariatric doctors like Dr. Duperier, it is important that you consider experience. Bariatric specialists like Dr. Terive Duperier and Dr. Michael Seger should also have the necessary skills needed to perform bariatric surgery and treatment. The more patients that a bariatric doctor like Dr. Duperier has handled, the more you can be assured of safe treatments.