John Tann, M.D., FACS, FASMBS,

Professional Background

John Tann, MD, FACS, FASMBS, is an Associate Professor of Surgery in the Bariatric and Foregut Surgery division at the University of Kansas Medical Center. Dr. Tann specializes in primary and complex revisional foregut, reflux and bariatric surgery, robotic surgery, and advanced endoscopic procedures. His academic interests include surgical education, clinical outcomes, operational efficiency, and the development and adoption of emerging robotic and endoscopic technologies. He is actively involved in national surgeon education and serves as faculty and an invited speaker for robotic, bariatric, foregut, and endobariatric surgery programs.
Dr. Tann earned his undergraduate degree in Biology from Kansas State University and his medical degree from the University of Kansas School of Medicine. Prior to medical school, he held management, leadership and operations roles with Target Corporation, where he developed an early focus on process improvement, operational efficiency, and organizational leadership. After medical school, he completed his general surgery residency at the University of Missouri, serving as Administrative Chief Resident, followed by fellowship training in Metabolic and Bariatric Surgery. He later completed additional mentorship in Robotic Foregut Surgery through the American Foregut Society. Dr. Tann subsequently practiced in the Kansas City community, where his leadership roles included Chair of the Department of Surgery at Lee's Summit Medical Center and Chair of the Surgical Advisory Committee and Robotic Steering Committee at Menorah Medical Center. He also served as Associate Program Director of the Bariatric and Foregut Fellowship and as core faculty for fellowship and general surgery residency education. Dr. Tann joined the University of Kansas faculty in 2026.

• BS, Biology, Kansas State University, Manhattan, KS
• MD, Science, University of Kansas, Lawrence, KS
• Residency, Surgery, University of Missouri, Columbia, MO
• Clinical Fellowship, Metabolic and Bariatric Surgery, HCA Midwest, Menorah Medical Center, Overland Park, KS
• Clinical Fellowship, Robotic Foregut Surgery, American Foregut Society, Chris DuCoin, USF Health

• Advanced Trauma Life Support , ATLS
• Fellow of the American Society for Metabolic and Bariatric Surgery, American Society for Metabolic and Bariatric Surgery
• Medical Doctor Surgery, Kansas Board of Healing arts
• Medical Physician and Surgeon, Missouri Board of Registration for the Healing Arts

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