Kerim Oncu, DO, is a board-certified nephrologist. He has more than 13 years of experience in the practice of nephrology. Dr. Oncu completed his medical training at the Philadelphia College of Osteopathic Medicine in Philadelphia, Pa. He interned at North Philadelphia Health Systems, then went on to complete his residency at Penn State Milton S. Hershey Medical Center. Dr. Oncu completed a fellowship at the University of Oklahoma in Oklahoma City. Dr. Oncu is also a member of the American Society of Nephrology.