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Meet Our Weight Loss Surgeons


Dr. van leavitt

Dr. Leavitt attended Midwestern University in Glendale, AZ for his medical school training. Upon completion of his medical degree, he was accepted into a general surgery residency program at Beaumont Health in Detroit, Michigan through Michigan State University. Dr. Leavitt trained heavily in laparoscopic surgery, trauma surgery, colorectal surgery, hernia surgery, anti-reflux surgery, breast surgery, wound care, and endoscopy including EGD and colonoscopy.

He is certified to a wide range of medical conditions including disorders of the gallbladder, stomach, intestines, and colon.

Dr. van leavitt

Dr. Leavitt attended Midwestern University in Glendale, AZ for his medical school training. Upon completion of his medical degree, he was accepted into a general surgery residency program at Beaumont Health in Detroit, Michigan through Michigan State University. Dr. Leavitt trained heavily in laparoscopic surgery, trauma surgery, colorectal surgery, hernia surgery, anti-reflux surgery, breast surgery, wound care, and endoscopy including EGD and colonoscopy.

He is certified to a wide range of medical conditions including disorders of the gallbladder, stomach, intestines, and colon.


dr kevin potter

Dr. Potter is a graduate of Northern Arizona University with a Bachelor of Science degree in Microbiology and a Minor in Chemistry. He graduated with his Doctorate of Osteopathic Medicine from Midwestern University. He completed his General Surgery Internship, held the position of Chief Surgical Resident at Maricopa Medical Center. He went on to complete his fellowship in Hepatobiliary and Pancreatic and Gastrointestinal Minimally Invasive Surgery. At Providence Cancer Center at Providence Portland Medical Center.

Dr. Potter specializes in bariatrics and weight loss.

dr kevin potter

Dr. Potter is a graduate of Northern Arizona University with a Bachelor of Science degree in Microbiology and a Minor in Chemistry. He graduated with his Doctorate of Osteopathic Medicine from Midwestern University. He completed his General Surgery Internship, held the position of Chief Surgical Resident at Maricopa Medical Center. He went on to complete his fellowship in Hepatobiliary and Pancreatic and Gastrointestinal Minimally Invasive Surgery. At Providence Cancer Center at Providence Portland Medical Center.

Dr. Potter specializes in bariatrics and weight loss.

Dr. Potter discusses surgery from a different point of view.


Dr. Gregory Robertson

Dr. Robertson received his medical training and degree from Harvard Medical School, then completed his surgical residency at the University of Arizona School of Medicine. He has been in practice in Tucson since 1990 and began coming to Chandler in 2014 to continue working with Dr. Stevenson. He enjoys the practice of Surgery, because it gives him the pleasure of direct patient care, along with the enjoyment of the technical aspects of operating.

Dr. Gregory Robertson

Dr. Robertson received his medical training and degree from Harvard Medical School, then completed his surgical residency at the University of Arizona School of Medicine. He has been in practice in Tucson since 1990 and began coming to Chandler in 2014 to continue working with Dr. Stevenson. He enjoys the practice of Surgery, because it gives him the pleasure of direct patient care, along with the enjoyment of the technical aspects of operating.


Dr. Shawn Stevenson

Dr. Stevenson is a fellow of the American College of Surgeons and a member of the Arizona Chapter of the American College of Surgeons. He is an Assistant Professor at the University of Arizona College of Medicine, an Assistant Professor at Midwestern University College of Medicine and an Adjunct Professor at A.T. Still University College of Osteopathic Medicine, and a Clinical Preceptor for Northern Arizona University.

His special interests are metabolic weight loss and advanced laparoscopic surgery.

Dr. Shawn Stevenson

Dr. Stevenson is a fellow of the American College of Surgeons and a member of the Arizona Chapter of the American College of Surgeons. He is an Assistant Professor at the University of Arizona College of Medicine, an Assistant Professor at Midwestern University College of Medicine and an Adjunct Professor at A.T. Still University College of Osteopathic Medicine, and a Clinical Preceptor for Northern Arizona University.

His special interests are metabolic weight loss and advanced laparoscopic surgery.

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Dignity Health Arizona Weight Loss