Dr. Michael J. Orris, DO, MBA, FASMBS
Dr. Orris is a partner and one of the lead surgeons at our Phoenix, Tempe, Arrowhead, and Tucson weight loss center locations.
Dr. John J. DeBarros, MD, FACS, FASMBS
A lead surgeon at WLIA, Dr. DeBarros practices a team approach to surgical weight loss in the Phoenix area which includes diet, exercise and education for long term success.
Dr. Jason Richardson, MD
A fellowship-trained and board-certified surgeon, Dr. Jason Richardson has a deep appreciation for the life-changing effects that compassionate care can have on patients.
Dr. Catherine Ho, DO
Dr. Catherine Ho joined the WLIAZ team in 2013. She is a board-certified surgeon and a fellowship trained surgeon specializing in minimally invasive surgery and bariatrics.
Dr. Thomas Buddensick, MD
Dr. Buddensick is a fellowship trained general and bariatric surgeon. He joined the Weight Loss Institute of Arizona in 2016.