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Dr. Patrick Callahan, MD is a Doctor primarily located in Rockville, MD. He has 26 years of experience. His specialties include Pediatric Cardiology and Pediatrics. Dr. Callahan is affiliated with Adventist Healthcare Washington Adventist Hospital, Holy Cross Hospital of Silver Spring and Prince George Hospital Center. He speaks English.
Dr. Patrick Callahan, MD is similar to these 3 Doctors near Rockville, MD.
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Specialties & Expertise
Dr. Patrick Callahan has the following 1 area of expertise and 2 specialties:
Stomach Flu (Gastroenteritis)
The School Of Medicine At Stony Brook University Medical Center, 1990