He will begin seeing patients at Aurora BayCare Health Center in Kaukauna, 1500 Arbor Way, on Friday, October 30.
Witmer specializes in treating coronary artery disease.
He received his medical degree from Vanderbilt University in Nashville, Tennessee. He completed his residency in internal medicine at University of Wisconsin Hospital and Clinics. Witmer completed fellowship training in interventional cardiology at Medical Center Hospital of Vermont (Fletcher Allen Healthcare). He is board certified in interventional cardiology and cardiovascular disease by the American Board of Internal Medicine.