Skip to Main Content

Masks Strongly Recommended but Not Required in Maryland

Respiratory viruses continue to circulate in Maryland, so masking remains strongly recommended when you visit Johns Hopkins Medicine clinical locations in Maryland. To protect your loved one, please do not visit if you are sick or have a COVID-19 positive test result. Get more resources on masking and COVID-19 precautions.

Johns Hopkins Children's Center

Pediatric Urology

The Division of Pediatric Urology at Johns Hopkins Children’s Center is among the top centers in the nation for primary and reoperative surgery of bladder exstrophy, one of the most severe congenital birth defects. We provide comprehensive and compassionate care to diagnose and treat all childhood urological problems in patients around the world. 

Our highly trained staff, equipped with the most advanced technology, specializes in the treatment of a wide range of conditions. A collaborative group from pediatric radiology, orthopaedic surgery and urology developed a modern 3D MRI-guided imaging tool, which is used during major surgery for newborns to ensure greater safety and accuracy and can also be used to telementor surgeons around the world.

Nationally Ranked in Pediatric Urology

Johns Hopkins Children’s Center is nationally ranked in pediatric urology on the 2024–2025 U.S. News & World Report Best Children’s Hospitals list.

Overall, the Children’s Center ranks #1 in Maryland, and all 11 specialties are nationally ranked.

Read more
Two sisters posed together outside

Conditions We Treat


Christopher and Camden's Story | Pediatric Bladder Exstrophy

With his surgery in April 2023 at Johns Hopkins Children’s Center, Camden Mills became the 1,500th patient treated for bladder exstrophy by the pediatric urology team at Johns Hopkins since it started tracking patients in 1975. Christopher Burnis, a former patient of the bladder exstrophy team, reflects on his journey and shares his experience healing at Johns Hopkins.

Read Camden's Story
Watch on YouTube -

Latest Research

Staged Versus Nonstaged Pelvic Osteotomies in Modern Treatment of Cloacal Exstrophy - Bridging the Gap

Johns Hopkins pediatric urologist John Gearhart discusses his team’s latest research comparing orthopaedic complications between nonstaged and staged osteotomies for cloacal exstrophy, which was presented during the American Urological Association’s 2024 annual meeting. Cloacal exstrophy is a rare birth defect that occurs in one in 400,000 live births. 

Learn More About Our Research
Dr. John Gearhart

Learn More About Division of Pediatric Urology

Contact and Locations

The Johns Hopkins Children's Center
The David M. Rubenstein Building
200 N Wolfe St.
Baltimore, MD 21287
410-955-6108

Johns Hopkins Children's Center Pediatric Specialists - Annapolis
820 Bestgate Road, Suite 2D
Annapolis, MD 21401
443-997-5437

Greater Baltimore Medical Center
6565 North Charles St.
Physicians Pavilion East, Suite 313
Baltimore, MD 21204
410-955-6108

Greenspring Station
10755 Falls Rd., Pavilion III
Lutherville, MD 21093
410-955-6108

Johns Hopkins Health Care & Surgery Center
6420 Rockledge Dr.,
Bethesda, MD 20817
443-578-3181

Johns Hopkins Community Physicians - Frederick
45 Thomas Johnson Dr., Suite 109
Frederick, Md. 21702
410-469-3693
Johns Hopkins Community Physicians - White Marsh
4924 Campbell Blvd., Suite 205
White Marsh, MD 21236
443-650-7908

Johns Hopkins Pediatric Urology - Howard County
10710 Charter Dr., Suite 140
Columbia, MD 21044
410-955-6108