Our Surgeons


 

 

 

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.

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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.

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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.

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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.

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Dr. Thomas Buddensick, MD

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

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Free Seminars

Visit one of our FREE Seminars to learn more about the LAP-BAND®, sleeve gastrectomy as well as other surgical weight loss procedures. Our friendly staff will be with you every step of the way.

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Can’t Join Us In Person?

Watch this video seminar to learn why Tempe, Phoenix, and Tucson weight loss patients turn to Weight Loss Institute of Arizona. You’ll hear from team members, learn risks and benefits of weight loss surgery, and discover how we’ll support you throughout the treatment process.

Watch Online

 

Testimonials

Words from our patients

  • Google

    "I must say that I had a very positive experience with Weight Loss Institute of Arizona. The staff here is very knowledgeable and professional. "

    David S.
  • Yelp

    "I have been overweight a majority of my life with several medical issues. After I got the gastric sleeve, I have noticed a huge change in my life. Thank you WLIA!"

    Wendy B.
  • Yelp

    "I love this place. You definitely still have to advocate for yourself and put in the hard work, but if you're serious about changing your life, WLIA has your back!"

    Kiri B.
  • Yelp

    "Amazing friendly staff that goes the distance to inform clients. I am happy I found this place."

    Verified Patient
  • Yelp

    "Weight Loss Institute of Arizona has the best Bariatric Surgeons you can find. I am forever grateful I chose them!

    Deea W.
  • Yelp

    "I cannot stress enough that these are the people you want to talk to if you're interested in any type of bariatric surgery."

    Erin K.
  • Yelp

    "My husband and I chose a consultation with WLIA for lap-band surgery based off the recommendations from other nurses and they were right! We made the right choice 100%"

    Trina S.
  • Yelp

    "These doctors saved my wife's life. We owe the WLIA everything!"

    Chuck R.
  • Yelp

    "These doctors saved my wife's life. We owe the WLIA everything!"

    Chuck R.
Our Locations

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