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Photo of Dr. John Gearhart

John Phillip Gearhart, M.D.

Robert D. Jeffs Professor
Professor of Urology

Male

Appointment Phone

410-955-6108

Main Location

Johns Hopkins Outpatient Center

Out-of-State & International Patients +
Out of State Patients

Call 410-464-6641 (8a.m. to 6p.m., EST, Mon-Fri)

Learn more about our out-of-state patient services »

International Patients

Call +1-410-502-7683 (7a.m. to 6p.m., EST, Mon-Fri)

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Titles

  • Robert D. Jeffs Professor
  • Director of Pediatric Urology
  • Professor of Urology
  • Professor of Pediatrics

Centers & Institutes

Departments

  • Pediatrics - Urology
  • Urology - Pediatric Urology

Locations

Johns Hopkins Outpatient Center

Appointment Phone: 410-955-6108

601 N. Caroline Street
Baltimore, MD 21287 map
Phone: 410-955-5358
Fax: 410-955-0833

The Johns Hopkins Hospital

Appointment Phone: 410-955-6108

600 N. Wolfe Street
Sheikh Zayed Tower
Baltimore, MD 21287 map
Phone: 410-955-5358
Fax: 410-955-0833

Johns Hopkins Medicine - Green Spring Station

Appointment Phone: 410-955-6108

10755 Falls Road
Pavilion I
Lutherville, MD 21093 map
Phone: 410-955-5358
Fax: 410-955-0833

Expertise

Ambiguous Genitalia, Bladder Exstrophy, Major Urologic Birth Defects, Pediatric Urology, Urology, Urology / Urologic Surgery

Research Interests

Major urological birth defects; Disorders of sexual development (DSD); Bladder exstrophy

Biography

Dr. John P. Gearhart is a professor of pediatrics and urology at the Johns Hopkins School of Medicine, and serves as Director of Pediatric Urology at the Johns Hopkins Children''s Center. 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.

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    Additional Information

  • Education +

    Degrees

    • University of Louisville School of Medicine / MD (1975)

    Residencies

    • Medical College of Georgia-Registrar / Urology (1980)

    Fellowships

    • Alder Hey Children's Hospital / Pediatric Urology (1981)
    • Johns Hopkins University School of Medicine / Pediatric Urology (1985)

    Certifications

    • American Board of Urology / Urology (1982)
  • Research & Publications +

    Research Summary

    Dr. Gearhart's clinical and surgical research interests focus largely on the evaluation and treatment of the bladder muscle, nerve supply, and collagen content of the extrophied bladder. He also oversees long-term follow up studies of patients with disorders of sexual development. Additionally, he studies and implements new techniques to evaluate and treat children with childhood kidney tumors, and to reconstruct the bladders of children who have undergone previous failed bladder exstrophy closures.

  • Academic Affiliations & Courses +
  • Activities & Honors +

    Honors

    • Outstanding Alumnus, Morehead State University, 1987
    • Research Award, American Academy of Pediatrics, Urology Section, 1987
    • Pediatric Poster Session Winner, American Urological Association, 1989
    • Winner, Pediatric Poster Section, Kimbrough Urologic Seminar, 1989
    • Invited guest lecturer, European Society of Pediatric Urology, 1992
    • Invited Guest Lecturer, Society of Pediatric Urology, 1992
    • Pediatric Poster Session Winner, American Urological Association, 1994
    • Anglo-American Visiting Professor Teaching Scholarship and Medal, Royal Society of Medicine, 1995
    • Invited Guest Lecturer, Society of Fetal Urology, 1996
    • Invited Guest Lecturer, Society of Pediatric Urology, 1997
    • Invited Guest Lecturer, American Urological Association, 2001
    • Invited Guest Lecturer, American College of Surgeons, 2001
    • Special Consultant on Pediatric Surgery/Urology, National Health Service, London, England, 2002
    • Lavengood Memorial Lectureship, Cornell University School of Medicine, 2003
    • Mater's Lecture in Pediatric Urology, AAP Annual Meeting, 2003
    • 1st J. Herbert Johnston Memorial Lecture, British Association of Pediatric Surgeons, 2004
    • Invited guest lecturer, European Society of Pediatric Urology, 2004
    • Asian Society of Pediatric Urology, 2005
    • Gordon Stenning Award, Australian Society of Pediatric Urology, 2005
    • Invited guest lecturer, European Society of Pediatric Urology, 2006
    • 1st Charles J. Devine Memorial Lecture, at American Urological Association, Genitourinary Reconstructive Surgeons Meeting, 2007
    • Invited guest lecturer, World Congress of Pediatric Surgery, Buenos Aires, Argentina, 2007
    • Awarded Fellowship ad hominem, of the Royal College of Surgeons, Edinburgh, 2008

    Memberships

    • American Academy of Pediatrics
      Urology Section
    • American College of Surgeons
      Fellow
    • American Urological Association
    • British Association of Pediatric Urologists
    • British Association of Urological Surgeons
    • European Society of Pediatric Urology
      Invited Member
    • Maryland Urological Association
    • Royal Society of Medicine, London, England
    • Society of Pediatric Urological Surgeons
      Invited Member
    • Society of Pediatric Urology
    • Society of Reconstructive Genitourinary Surgeons
      Founding Member
  • Videos & Media +
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