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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (11)

The overall average patient rating of Dr. John Gearhart is Excellent. Dr. Gearhart has been reviewed by 22 patients who have provided 11 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.4
Promptness 4.0
Courteous Staff 4.5
Accurate Diagnosis 4.2
Bedside Manner 4.2
Spends Time with Me 4.1
Follows Up After Visit 4.2

Specialties & Research

Dr. John Gearhart, MD is board certified in Urology.

  • He has special expertise in 22 areas:
  • Bladder Exstrophy
  • Cystoscopy
  • Hydronephrosis
  • Hypospadias
  • Kidney Cancer
  • Male Urologic Surgical Procedures
  • Osteotomy
  • Overactive Urinary Bladder
  • Recurrence
  • Surgical Wound Dehiscence
  • Testis Cancer (Testicular Neoplasm)
  • Urethral Diseases
  • Urethral Obstruction
  • Urinary Bladder Cancer
  • Urinary Catheterization
  • Urinary Fistula
  • Urinary Incontinence
  • Urinary Tract Stones (Urinary Calculi)
  • Urogenital Abnormalities
  • Urologic Surgical Procedures
  • > Show all expertise

Education & Awards

Dr. Gearhart graduated from University of Louisville . He has 11 awards.

One of America's Leading Experts on:
Bladder Exstrophy
Male Urologic Surgical Procedures
Urinary Catheterization
Urinary Incontinence
Urologic Surgical Procedures
Wilms Tumor
Castle Connolly America's Top Doctors® (2004 - 2008, 2010 - 2015)
Patients' Choice Award (2011, 2014)
Compassionate Doctor Recognition (2011)
Top 10 Doctor - City (2014)
Baltimore, MD


Dr. Gearhart has 3 hospital affiliations:

  • Johns Hopkins Bayview Medical Center 
  • The Johns Hopkins Hospital 
  • Johns Hopkins Geriatrics Center 


  • English

> > > > Dr. John Gearhart, MD

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Additional Information
Dr. John P Gearhart MD is a male Urologist, has 36 years of experience and practices in Urology.
Where does Dr. John P. Gearhart practice?
Dr. John Gearhart has 4 office locations.
Dr. John Gearhart practices Urology near Baltimore, MD.
Additional practice locations include: Lutherville Timonium, MD.
See Baltimore Urologists.