Dr. John D. Mahan graduated from the Hahnemann University School of Medicine in 1977. He works in Columbus, OH and 1 other location and specializes in Nephrology and Pediatric Nephrology. Dr. Mahan is affiliated with Nationwide Childrens Hospital.
Nephrology, Pediatric Nephrology
Medical School: Hahnemann University School of Medicine; Graduated 1977
*This physician has multiple office locations. See Office Information for details.