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23 years of experience
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).

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Specialties & Research

Dr. Mary Gavin, MD is board certified in Pediatrics.

  • She has special expertise in 6 areas:
  • Chronic B-Cell Lymphocytic Leukemia
  • Hepatoblastoma
  • Leukemia
  • Neuroblastoma
  • Obesity
  • Retinoblastoma

Education & Awards

Dr. Gavin graduated from University of Rochester .


Dr. Gavin has 3 hospital affiliations:

  • Alfred I Dupont Institute 
  • Dupont Hospital For Children 
  • Mercy Hospital of Buffalo 


  • English

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Additional Information
Dr. Mary L Gavin MD is a female Pediatrician, has 23 years of experience and practices in Pediatrics.
Where does Dr. Mary L. Gavin practice?
Dr. Mary Gavin has 2 office locations.
Dr. Mary Gavin practices Pediatrics near Newtown Square, PA.
Additional practice locations include: Wilmington, DE.
See Newtown Square Pediatricians.