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Dr. William Cassidy Is this you?

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About Dr. William Cassidy

Dr. William Cassidy, MD, FAAP is a Doctor primarily located in Ashburn, VA, with other offices in Sterling, VA and Ashburn, VA (and 5 other locations). He has 43 years of experience. His specialties include Pediatrics. Dr. Cassidy is affiliated with Inova Fair Oaks Hospital, Anne Arundel Medical Center and Inova Alexandria Hospital. He speaks English.

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Dr. William Cassidy has the following 1 specialty

  • Pediatrics

    A pediatrician is a doctor who specializes in the regular care of children, as well as the diagnosis and treatment of illness in children. Young patients are often more complicated to treat because they are still growing and developing.


1 Expertise

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