John P. Gearhart
Expertise in
10
conditions

Dr. John P. Gearhart

Pediatrics
Johns Hopkins Health System
Johns Hopkins University
1800 Orleans St, 
Baltimore, MD 

Expertise in
10
conditions
Johns Hopkins Health System
Johns Hopkins University
1800 Orleans St, 
Baltimore, MD 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

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 highly rated in 10 conditions, according to our data. His top areas of expertise are Cloacal Exstrophy, Exstrophy of the Bladder, Exstrophy-Epispadias Complex, Osteotomy, and Bladder Reconstruction.

His clinical research consists of co-authoring 109 peer reviewed articles and participating in 1 clinical trial. MediFind looks at clinical research from the past 15 years.

Specialties
Pediatrics
Licenses
Urology in MD
Languages Spoken
English
Gender
Male

Insurance

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
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Anthem
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Blue Cross Blue Shield
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Capital Blue Cross
  • INSURANCE PLAN
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CareFirst
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Cigna
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Gateway Health Plan
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Highmark
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Humana
  • HMO
  • INDEMNITY
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Johns Hopkins Healthcare
  • HMO
  • MANAGED MEDICAID PLAN
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Managed Medicaid
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Medicaid
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Sentara Healthcare
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UnitedHealthcare
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Wellcare
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Locations

JOHNS HOPKINS UNIVERSITY
1800 Orleans St, Baltimore, MD 21287
Call: 410-955-5000

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


1 Clinical Trials

Phase I Study of Endoscopically Injected Muscle Derived Cells in Participants With Exstrophy-epispadias Complex Related Urinary Incontinence
Phase I Study of Endoscopically Injected Muscle Derived Cells in Participants With Exstrophy-epispadias Complex Related Urinary Incontinence
Enrollment Status: Terminated
Publish Date: January 28, 2020
Intervention Type: Drug
Study Phase: Phase 1

109 Total Publications

Response to commentary on "Augmentation cystoplasty and continent catheterizable channels in the bladder exstrophy - epispadias complex: A 20-year experience".
Response to commentary on "Augmentation cystoplasty and continent catheterizable channels in the bladder exstrophy - epispadias complex: A 20-year experience".
Journal: Journal of pediatric urology
Published: May 16, 2025
View All 109 Publications
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Julie E. Hoover
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Rubenstein Child Health Building

200 North Wolfe Street, Rubenstein BLDG Lower Level, Rubenstein BLDG Lower Level, 
Baltimore, MD 
 (1.2 miles away)
443-287-9494
Languages Spoken:
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See accepted insurances

Dr. Julie Hoover-Fong is a Professor of Genetic Medicine and Pediatrics and Director of the Greenberg Center for Skeletal Dysplasias at Johns Hopkins University. Dr. Hoover-Fong holds a bachelor’s degree in Human Nutrition from The Ohio State University, where she also completed her medical degree. She received her Ph.D. in the Graduate Training Program in Clinical Investigation at the Johns Hopkins University School of Medicine and Bloomberg School of Public Health. Dr. Hoover-Fong completed a pediatric internship and residency at Washington University in St. Louis and a fellowship in medical genetics at Johns Hopkins University in Baltimore. She joined the Johns Hopkins University faculty in 2002 and progressed to Professor of Genetic Medicine and Pediatrics in 2019. She practices and oversees the clinical operations, research and educational ventures for the patients, families and healthcare providers served by the Greenberg Center. Her clinical team develops and improves diagnostic and treatment guidelines for comprehensive care of patients with all types of bone conditions including dwarfism, orofacial clefting, craniosynostosis and more. Dr. Hoover-Fong also mentors and teaches medical students, residents and genetic medicine trainees. As an active clinical researcher, Dr. Hoover-Fong is the Principal Investigator of multiple global clinical trials for achondroplasia, the first multi-center, investigator-initiated natural history study for achondroplasia, and multiple clinical studies for patients with orofacial clefting, hypophosphatasia and other conditions. She is also a co-investigator on the ELSI and Phenotype Review Committees for the Mendel Project, a whole exome sequencing venture to identify the genetic cause of Mendelian conditions. From an institutional service perspective, Dr. Hoover-Fong serves on the Johns Hopkins Associate Professor Promotions Committee and the Advisory Committee for the Graduate Training Program in Clinical Investigation. She serves on the Medical Advisory Board of the Little People of America, is a member of the Miller-Coulson Academy of Clinical Excellence at Johns Hopkins University and is a charter member of the International Skeletal Dysplasia Management Consortium, publishing best practice guidelines for patients with skeletal dysplasias. Dr. Hoover is highly rated in 27 conditions, according to our data. Her top areas of expertise are Achondroplasia, Rhizomelic Syndrome, Spondyloepimetaphyseal Dysplasia Strudwick Type, Adenoidectomy, and Myringotomy.

Catherine J. Chu
Expertise in
11
conditions
Dr. Catherine J. Chu
Pediatrics | Pediatric Neurology
Expertise in
11
conditions
Dr. Catherine J. Chu
Pediatrics | Pediatric Neurology

Johns Hopkins Outpatient Center

601 North Caroline Street, Floor 5, Floor 5, 
Baltimore, MD 
 (1.2 miles away)
410-955-4259
Languages Spoken:
English
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Catherine Chu is the director of the Division of Pediatric Neurology and the John M. Freeman Pediatric Epilepsy Center in the Johns Hopkins Department of Neurology, as well as the vice president of child neurology at the Kennedy Krieger Institute. As a child neurologist, epileptologist and clinical neurophysiologist, Dr. Chu cares for children diagnosed with epilepsy and disorders of the nervous system (neurophysiology). She specializes in electroencephalogram (also known as EEG) analysis, seizure localization, surgical planning and neuromodulation for adult and pediatric patients with difficult to control epilepsy. She is nationally and internationally recognized for her work identifying causes of and treatment options for cognitive dysfunction and seizures in epilepsy and neurodevelopmental disorders. Dr. Chu’s team specializes in identifying and developing tools to detect and understand brain rhythms that support complex cognitive functions throughout development, including how these rhythms are disrupted by seizures and neurodevelopmental disorders. Dr. Chu earned her medical degree and a master’s degree in social anthropology from Harvard University. She completed an internship in pediatrics at Massachusetts General Hospital, and then a residency in neurology and child neurology at Massachusetts General and Brigham and Women’s Hospital. After completing two fellowships at Massachusetts General, one in epilepsy and another in clinical neurophysiology, Dr. Chu earned a master’s degree in medical science, focused on clinical investigation, from Harvard Medical School. Dr. Chu is highly rated in 11 conditions, according to our data. Her top areas of expertise are Benign Rolandic Epilepsy, Epilepsy in Children, Seizures, and Epilepsy.

Heather Di Carlo
Expertise in
11
conditions
Dr. Heather Di Carlo
Pediatrics
Expertise in
11
conditions
Dr. Heather Di Carlo
Pediatrics

Rubenstein Child Health Building

200 North Wolfe Street, Rubenstein BLDG Lower Level, Rubenstein BLDG Lower Level, 
Baltimore, MD 
 (1.2 miles away)
410-955-6108
Languages Spoken:
English
See accepted insurances

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 highly rated in 11 conditions, according to our data. Her top areas of expertise are Exstrophy of the Bladder, Exstrophy-Epispadias Complex, Cloacal Exstrophy, Bladder Reconstruction, and Osteotomy.

VIEW MORE Pediatricians

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Gearhart's expertise for a condition
ConditionClose
  • Elite
  • Cloacal Exstrophy
    Dr. Gearhart is
    Elite
    . Learn about Cloacal Exstrophy.
    See more Cloacal Exstrophy experts
  • Epispadias
    Dr. Gearhart is
    Elite
    . Learn about Epispadias.
    See more Epispadias experts
  • Exstrophy of the Bladder
    Dr. Gearhart is
    Elite
    . Learn about Exstrophy of the Bladder.
    See more Exstrophy of the Bladder experts
  • Exstrophy-Epispadias Complex
    Dr. Gearhart is
    Elite
    . Learn about Exstrophy-Epispadias Complex.
    See more Exstrophy-Epispadias Complex experts
  • Distinguished
  • Osteotomy
    Dr. Gearhart is
    Distinguished
    . Learn about Osteotomy.
    See more Osteotomy experts
  • Advanced
  • Bladder Reconstruction
    Dr. Gearhart is
    Advanced
    . Learn about Bladder Reconstruction.
    See more Bladder Reconstruction experts
  • Bladder Stones
    Dr. Gearhart is
    Advanced
    . Learn about Bladder Stones.
    See more Bladder Stones experts
  • Imperforate Anus
    Dr. Gearhart is
    Advanced
    . Learn about Imperforate Anus.
    See more Imperforate Anus experts
  • Myelomeningocele
    Dr. Gearhart is
    Advanced
    . Learn about Myelomeningocele.
    See more Myelomeningocele experts
  • Omphalocele
    Dr. Gearhart is
    Advanced
    . Learn about Omphalocele.
    See more Omphalocele experts
  • Experienced
  • Hydrocele
    Dr. Gearhart is
    Experienced
    . Learn about Hydrocele.
    See more Hydrocele experts
  • Hypospadias
    Dr. Gearhart is
    Experienced
    . Learn about Hypospadias.
    See more Hypospadias experts
  • Intersex
    Dr. Gearhart is
    Experienced
    . Learn about Intersex.
    See more Intersex experts
  • Neurogenic Bladder
    Dr. Gearhart is
    Experienced
    . Learn about Neurogenic Bladder.
    See more Neurogenic Bladder experts
  • Neurogenic Bowel
    Dr. Gearhart is
    Experienced
    . Learn about Neurogenic Bowel.
    See more Neurogenic Bowel experts
  • Posterior Urethral Valves
    Dr. Gearhart is
    Experienced
    . Learn about Posterior Urethral Valves.
    See more Posterior Urethral Valves experts
View All 9 Experienced Conditions
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