Call Us Today:
Tucson Location West Phoenix Location Tempe Location Scottsdale Location Arrowhead Location
Print This Page Email this Page

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. Michael J. Orris is the Director of Bariatric Surgery at Banner Estrella Medical Center in West Phoenix. He is a partner and one of the lead surgeons at Weight Loss Institute of Arizona an accredited Bariatric Center of Excellence. Dr. Orris is a board-certified surgeon specializing in weight loss surgery in Tucson, Phoenix, Scottsdale, Arrowhead and Tempe, AZ. Dr. Orris has been recognized by Phoenix Magazine as a "Top Doctor" in 2010, 2011, 2012 and 2013.

If you are considering bariatric surgery in Tucson or the Phoenix area, let the doctors at Weight Loss Institute of Arizona help you on your way to a fuller, healthier life. Request your consultation online or RSVP to one of our weight loss seminars today.

Personal Passion

Dr. Michael Orris 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, he 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. Dr. Orris is well-known for his vast knowledge in the field of bariatric surgery and for accepting complicated and challenging cases.

Professional Highlights


  • Certified by the American Osteopathic Board of Surgery
  • Certified LAP-BAND® System Surgeon

Surgical Residency

  • Pinnacle Health, Harrisburg, Pennsylvania

Medical School

  • Philadelphia College of Osteopathic Medicine, Philadelphia, Pennsylvania

Significant Accomplishments

  • Fellow, American Society for Metabolic and Bariatric Surgery
  • Director of Bariatric Surgery, Banner Estrella Medical Center, West Phoenix
  • Proctor, LAP-BAND System Faculty
  • Associate Clinical Professor, Midwestern University, Glendale, Arizona
  • CEO, East Valley Surgery Center, Tempe, Arizona
  • MBA in Healthcare Administration, St. Joseph's University, Philadelphia, Pennsylvania
Real Patient Videos

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

Your Height   Your Weight

Specialized Surgery Center

Dr. Orris and Dr. John DeBarros founded and currently operate the East Valley Surgery Center. This state-of-the-art facility holds the distinction of being an approved Bariatric Surgery Center of Excellence, which means that it adheres to the highest standards in the industry for cleanliness, surgeries and outcomes.

Hospital Privileges

In addition to performing surgery at the East Valley Surgery Center, Dr. Orris has privileges at the following respected local hospitals:

  • Mercy Gilbert Medical Center
  • Chandler Regional Medical Center
  • Phoenix Baptist Hospital
  • Banner Estrella Medical Center
  • Surgical Specialty Hospital of Arizona
  • St. Luke's Medical Center, Phoenix
  • Tempe St. Luke's Hospital

Read what our patients say about Dr. Orris at

Google Plus  Find Dr. Orris on Google +

Back to Top

| Sitemap | Related Resources | Privacy Policy
Medical Web Site Design & Marketing by Etna Interactive

Scottsdale Office
Weight Loss Institute of Arizona
8575 East Princess Dr #215
ScottsdaleAZ 85255-5437

Phone: (480) 829-6100

Tempe Office
Weight Loss Institute of Arizona
1855 East Southern Ave
TempeAZ 85282

Phone: (480) 829-6100

Phoenix Office
Weight Loss Institute of Arizona
Estrella Medical Plaza I
9305 West Thomas Rd #480

PhoenixAZ 85037

Phone: (480) 829-6100

Tucson Office
Weight Loss Institute of Arizona
6261 North La Cholla Blvd #201
TucsonAZ 85704

Phone: (855) 887-8446

Arrowhead Office
Weight Loss Institute of Arizona
Arrowhead Health Center
16222 N 59th Ave #D180

GlendaleAZ 85306

Phone: (480) 829-6100

Office Hours: Monday - Friday: 8:30 am - 5 pm, Saturday: By Appointment
Meet our Surgeons Dr. , DO, MBA, FASMBS and Dr. John DeBarros, FACS, FASMBS

At Weight Loss Institute of Arizona, with offices in Tempe, Phoenix, Tucson, Arrowhead and Scottsdale, our weight loss center specializes in LAP-BAND® surgery, gastric bypass, sleeve gastrectomy, revision surgery and other surgical procedures for patients from throughout Arizona, New Mexico, and the entire Southwest.

No Program Fees! Click for details