Er Physicians South, P.A.

Michael Arroyo, MD, is a board-certified general surgeon with Saint Luke's Surgical Specialists. Dr Arroyo started a surgical weight loss program at St. John Medical Center in Tulsa before coming back to the Kansas City area in 2013. His laparoscopic weight loss procedures include gastric bypass and sleeve gastrectomy. He also performs general surgery utilizing minimally invasive techniques including gallbladder, hernia, colon, anti-reflux surgery, and da Vinci robotic surgery.

Scott Knappenberger, MD, is a board-certified otolaryngologist with Saint Luke’s Ear, Nose, & Throat Specialists. Dr Knappenberger has clinical interests in sinus surgery, deviated septal surgery, allergy care, ear tubes, tonsil surgery, parotid surgery, and hoarseness or throat discomfort. He is passionate about caring for patients and his mission is to educate them about their medical conditions to provide the most appropriate treatments. Dr Knappenberger grew up on a farm south of Olathe, Kansas. When not caring for patients, he enjoys watching his children’s activities, K-State sports, reading, and spending time with his family.