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Transform Your Life with Bariatric Surgery

Dr. Patrick Chiasson & Dr. Stephen Burpee

Our Team


Patrick Chiasson, MD, FACS

Dr. Chiasson is a board certified and fellowship trained Minimally Invasive Surgeon. He has expertise in advanced laparoscopic, endoscopic, and robotic procedures. His surgical practice is characterized by managing complex surgical diseases of the GI tract. Dr. Chiasson is recognized both in the Tucson, Arizona community and internationally for his surgical treatment of obesity. He performs all of the established primary and revision weight loss surgical procedures including the Vertical Sleeve Gastrectomy, Gastric Bypass, Duodenal Switch, and Adjustable Gastric Band.

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Stephen Burpee, MD, FACS

Dr. Burpee is a board certified and fellowship trained minimally invasive surgeon.He joined Southern Arizona Center for Minimally Invasive Surgery as a partner in 2003 contributing to the development of the Surgical Weight Loss Program at Northwest Medical Center in Tucson, AZ. He currently serves as the Bariatric Department Medical Director at Northwest Medical Center. He is also a native of Canada and received his medical degree from the University of Western Ontario.  Dr. Burpee's surgical residency was performed at Lenox Hill Hospital in New York City and his subsequent fellowship in advanced laparoscopic surgery was performed at the University of Toronto.

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Julie Moreau, MSN, ANP

Julie Moreau, MSN, APRN

Julie recently joined our practice after relocating from New Hampshire. There she was a Bariatric Nurse Practitioner with the renowned Dartmouth Bariatric program.  Her experience working with patients in the hospital, on surgical floors, in Bariatrics and in Gastroenterology at both private and academic institutions make her uniquely qualified to provide the highest level of medical care and education for our patients - before and long after surgery. Julie will be bringing new ideas to share with our patients to help them through the first year and beyond to realize long-term success and health. Julie, like both of the doctors, is originally from Canada, and we welcome her to our desert home.

Billi Jo Koepke, FNP-C, RNFA

Billi Jo is a Bariatric Nurse Practitioner and RNFA (Surgical First Assist). Billi Jo grew up in New York but has happily called Tucson her home for the last 16 years. After many years as a hospital RN, Billi Jo went on complete first her Nurse Practitioner program and then her RNFA training prior to joining our Bariatric Team. Currently Billi Jo is assisting in surgery only.

BillI Jo Koepke headshot
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Renee Corrigan, PA-C

Renee is a Certified Physician Assistant and she has been assisting both doctors in surgery at Northwest Hospital for 13 years as well as rounding and discharging patients after surgery. Renee moved to Tucson, AZ from Lincoln, Nebraska in 1995. She graduated Summa Cum Laude from Midwestern University's Physician Assistant program in 2002. Prior to joining our practice in March of 2005, she worked as a "Hospitalist" here in Tucson for almost three years. She has nearly 15 years of surgical experience and a special interest in both surgical and non-surgical weight loss. Renee is an integral part of our surgical team.

Anne Russell, PhD, LISAC, NCC

Dr. Russell has been working with Eating Disorders and obesity since the 1980's. She has worked in treatment centers such as Hazelden, The Meadows and most recently as a Family Therapist at Cottonwood de Tucson. Anne has worked with the SACMIS Surgical Weight Loss Program since 2006 and recognizes each client's specific needs and listens with respect, confidentiality and compassion. She also has a private psychotherapy practice where she utilizes EMDR, Cognitive Restructuring, and hypnosis & visualization. Please call 520-219-8690 to schedule an appointment with Dr. Russell.

Anne Russel Head shot 2016
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Rachel Deal, RDN

Rachel is a Registered Dietitian/Nutritionist with more than 10 years of experience working with obesity. She has completed advanced training in adult weight management and specializes in nutrition before and after bariatric surgery. She is a proud Arizona Wildcat, earning her Bachelor's of Science in Nutrition and Dietetics from the University of Arizona. Rachel works with clients to personalize nutrition recommendations to meet each individual's unique needs and preferences, and is thrilled to see the positive effects of diet and lifestyle changes when her clients return.

Rachel is available in our office to see patients for their nutrition evaluation (as may be required by their insurance) as well as before and after-surgery consultations and support with nutrition and diet. To schedule an appointment with Rachel, call our office at 520.219.8690.

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How much can you lose?

In 2017 our patients lost

31,779 lbs