Pediatrician, Pediatric Specialist, Cardiologist (heart)
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:

  • Shady Grove Adventist Hosp 
  • Washington Adventist Hosp 


  • French
  • German
  • Spanish
  • English

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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 17 office locations.
Dr. Patrick Callahan practices Pediatrics and Pediatric Cardiology near Rockville, MD.
Additional practice locations include: Fairfax, VA and Oxon Hill, MD.
See Rockville Pediatricians and Rockville Pediatric Specialists.