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Pediatrician, Cardiologist (heart), Pediatric Specialist
22 years of experience

Video profile
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).

Learn more about Dr. Patrick Callahan:

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  1. Qualifications
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Specialties & Research

Dr. Patrick Callahan, MD is board certified in Pediatric Cardiology.

  • He has special expertise in 1 area:
  • Stomach Flu (Gastroenteritis)

Education & Awards

Dr. Callahan graduated from Upstate Medical University Physical Medicine and Rehabilitation, Syracuse. He has 1 awards.

Castle Connolly's Top Doctors™ (2013)


Dr. Callahan has 28 hospital affiliations:

  • Shady Grove Adventist Hosp 
  • Washington Adventist Hosp 


  • Spanish
  • English
  • French
  • German

> > > > Dr. Patrick Callahan, MD

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Additional Information
Dr. Patrick F Callahan MD is a male Pediatrician, has 22 years of experience and practices in Pediatrics and Pediatric Cardiology.
Where does Dr. Patrick F. Callahan practice?
Dr. Patrick Callahan has 2 office locations.
Dr. Patrick Callahan practices Pediatrics and Pediatric Cardiology near Fairfax, VA.
Additional practice locations include: Rockville, MD.
See Fairfax Pediatricians and Fairfax Cardiologists.