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Weight Loss Surgery

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.

Weight loss surgery at our Tucson, Phoenix, Scottsdale, Arrowhead and Tempe locations is about more than just losing weight. In our Arizona practice, bariatric surgery offers hope to those who are significantly overweight – hope for a healthier, longer, fuller life. Multiple studies have shown that most obesity related health issues can be resolved with bariatric surgery.

Weight Loss Surgery Options

The following table compares the various types of weight loss surgery offered at our Tucson and Phoenix area clinics. For details about each type of surgery, refer to the individual procedure page.

LAP-BAND® Gastric Bypass (Open or Laparoscopic) Laparoscopic Gastric Imbrication Laparoscopic Sleeve Gastrectomy
How Stomach Size is Reduced A flexible band is placed around the upper stomach forming a pouch A small pouch is surgically created and part of small intestine is re-routed Stomach is folded in on itself and stitched together Stomach size is surgically reduced to the size and shape of a banana or sleeve
Other Weight Loss Factors Band adjustments can increase or decrease rate of weight loss Fewer calories absorbed Production of hormones that cause hunger is reduced
Hospital Stay Outpatient 2 to 3.5 days 1 to 2 days 1 to 2 days
Time Off Work 1 week 2 to 3 weeks 1 week 1 to 2 weeks
Required Diet Restrictions Portion size Portion size
Fats and sugars
Portion size Portion size
Reversible Yes No Possibly No
Rate of Weight Loss Gradual, but continued Rapid Faster than LAP-BAND; more gradual than gastric bypass Faster than LAP-BAND; more gradual than gastric bypass
Expected Amount of Excess Weight Loss 50 to 75% over 2 years 60 to 70% over 2 years 50% over 2 years 55 to 70% over 2 years

Through weight loss surgery, many of the patients who have visited us in Tucson and around Phoenix, Arizona, have resolved diabetes, high blood pressure, vascular disease, sleep apnea and many other serious conditions. We are thrilled that you are taking the first steps toward a healthier life. At Weight Loss Institute of Arizona, we want to help you on your journey, providing the physical and emotional support you need.

Our surgeons also perform many general surgical services including hernia repair and colonoscopy.

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

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Let our weight loss surgery specialists help you find YOUR ideal weight loss solution. Request your consultation online or RSVP to one of our weight loss seminars today.

You may also want to download our patient brochure for additional information on what to expect when undergoing surgery at East Valley Surgery Center.

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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. Michael Orris, DO, MBA, FASMBS and Dr. , 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