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Meet the Doctors

Looking for top bariatric surgeons? Read about our accomplished doctors below.

Dr. Michael J. OrrisD.O., M.B.A., F.A.S.M.B.S.

Dr. Orris is a partner and one of the lead surgeons at our Phoenix, Tempe, Arrowhead, Tucson and Scottsdale weight loss center locations.

Dr. John J. DeBarrosM.D., F.A.C.S., F.A.S.M.B.S.

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 RichardsonM.D.

A fellowship-trained surgeon, Dr. Jason Richardson has a deep appreciation for the life-changing effects that compassionate care can have on patients.

Dr. Catherine HoD.O.

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 BuddensickM.D.

Dr. Buddensick is a fellowship trained general and bariatric surgeon. He joined the Weight Loss Institute of Arizona in 2016.

Calculate Your BMI

Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women

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