Dr. John P. Gearhart is a professor of pediatrics and urology at the Johns Hopkins School of Medicine. His clinical and surgical interests focus on the evaluation and treatment of children born with major congenital birth defects, bladder exstrophy, disorders of sexual development and childhood urinary cancers. Dr. Gearhart received his M.D. from the University of Louisville School of Medicine in 1975. After an internship in surgery and residencies in surgery and urology at the Medical College of Georgia, he completed a fellowship in pediatric urology at Alder Hey Children's Hospital of the University of Liverpool School of Medicine in 1981. Following two years as a urologist at St. Mary's Hospital in Huntington, West Virginia, he completed a second fellowship in pediatric urology at Johns Hopkins in 1985 and joined the Johns Hopkins faculty thereafter as an associate professor of pediatric urology. Over the course of his distinguished career, Dr. Gearhart has been lauded as a pioneer in pediatric urology and reconstructive genitourinary surgery. He has published extensively and has received numerous awards and guest lectureships. He is a member of several national and international professional organizations and is a founding member of the Society of Reconstructive Genitourinary Surgeons. Dr. Gearhart is rated as an Elite provider by MediFind in the treatment of Exstrophy-Epispadias Complex. His top areas of expertise are Cloacal Exstrophy, Exstrophy of the Bladder, Exstrophy-Epispadias Complex, Osteotomy, and Bladder Reconstruction.

Dr. Heather Noelle Di Carlo is an associate professor of urology at the Johns Hopkins University School of Medicine. She treats all pediatric urological disorders in young males and females while specializing in renal sparing surgery and complex reconstruction of the genitourinary tract in patients with the exstrophy-epispadias complex, disorders of sexual development (DSD) and other congenital anomalies. She serves as the Director of Pediatric Urology Research and is the interim Division Director of Pediatric Urology. A native of New York, Dr. Di Carlo graduated from Emory University with a B.S. in neuroscience and music, and the State University of New York at Stony Brook School of Medicine. Following general surgery and urology residency training at Stony Brook Medical Center, she completed a pediatric urology fellowship at the James Buchanan Brady Urological Institute. Dr. Di Carlo has special clinical and basic science interests in the exstrophy-epispadias complex, spina bifida and renal transplantation. Dr. Di Carlo is rated as an Elite provider by MediFind in the treatment of Exstrophy-Epispadias Complex. Her top areas of expertise are Exstrophy of the Bladder, Exstrophy-Epispadias Complex, Cloacal Exstrophy, Bladder Reconstruction, and Osteotomy.

Mahir Maruf is an Urologist in Bethesda, Maryland. Dr. Maruf has been practicing medicine for over 10 years and is rated as an Elite provider by MediFind in the treatment of Exstrophy-Epispadias Complex. His top areas of expertise are Exstrophy of the Bladder, Cloacal Exstrophy, Exstrophy-Epispadias Complex, Bladder Reconstruction, and Osteotomy. Dr. Maruf is currently accepting new patients.