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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 Roy, MD is board certified in Diagnostic Radiology.

Education & Awards

Dr. Roy graduated from Drexel University , Philadelphia.


Dr. Roy has 9 hospital affiliations:

  • Bryn Mawr Rehabilitation Hospital 
  • Main Line Hospital - Bryn Mawr 

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Additional Information
Dr. Mary Nulty Roy MD is a female Diagnostic Radiologist, has 26 years of experience and practices in Diagnostic Radiology.
Where does Dr. Mary N. Roy practice?
Dr. Mary Roy has 10 office locations.
Dr. Mary Roy practices Diagnostic Radiology near Glen Mills, PA.
Additional practice locations include: Collegeville, PA and Media, PA.
See Glen Mills Radiologists.