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Pediatrician, Cardiologist (heart), Pediatric Specialist
21 years of experience
Video profile
Accepting new patients
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:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Patrick Callahan is Excellent. Dr. Callahan has been reviewed by 1 patients who have provided 1 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

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:

  • Winchester Medical Center Inc 
  • Prince William Hosp 


  • French
  • German
  • Spanish
  • English

> > > > Dr. Patrick Callahan, MD

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Additional Information
Dr. Patrick F Callahan MD is a male Pediatrician, has 21 years of experience and practices in Pediatrics and Pediatric Cardiology.
Where does Dr. Patrick F. Callahan practice?
Dr. Patrick Callahan has 8 office locations.
Dr. Patrick Callahan practices Pediatrics and Pediatric Cardiology near Rockville, MD.
Additional practice locations include: Fairfax, VA and Frederick, MD.
See Rockville Pediatricians and Rockville Cardiologists.