Dr. Michael J. Orris, DO, MBA, FASMBS
Our Commitment to You
At Weight Loss Institute of Arizona, our highly trained surgeons and staff are dedicated to your well-being. With us, you have a partner on your journey to better health. We are here for you around the clock, offering support before, during and after your procedure. We share your goal of a healthier, more fulfilling life, and your success is our top priority.
Dr. Orris is a partner and one of the lead surgeons at Weight Loss Institute of Arizona. Dr. Orris attended medical school at Philadelphia College of Osteopathic Medicine, completed his residency at Pinnacle Health in Harrisburg, PA, and earned a Master's in Health Care Administration from St. Joseph's University.
As one of the top Phoenix bariatric surgeons, he recognizes the negative impact that excess weight has on society, and has developed a passion for helping patients attain and maintain a healthy body weight. Every year, Dr. Orris successfully performs hundreds of weight-loss surgeries. Patients benefit from his years of bariatric surgery experience and the personal intensity he brings to each and every case. With his vast knowledge in the field of bariatric surgery, Dr. Orris is well-known for accepting complicated and challenging cases.
He is the Director of Bariatric Surgery at Banner Estrella Medical Center in West Phoenix and serves as an Associate Clinical Professor at Midwestern University. He is also the CEO of the East Valley Surgery Center in Tempe, Arizona. Finally, he is board-certified by the American Osteopathic Board of Surgery, and a fellow of the American Society for Metabolic and Bariatric Surgery.
Real patients discuss their weight loss journeys, and how they regained their health and their lives with the help of Weight Loss Institute of Arizona.
Calculate Your BMI
Let our doctors specializing in weight loss for Tucson, Phoenix, Scottsdale, and Tempe help you on your way to a fuller, healthier life. Request your complimentary consultation online or RSVP to one of our weight loss seminars today.

