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Radiation Oncology, Oncology Specialist (cancer), Radiologist
18 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).

Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. John McGrath is Excellent. Dr. McGrath has been reviewed by 2 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. John McGrath, MD is board certified in Radiation Oncology.

  • He has special expertise in 6 areas:
  • Breast Cancer
  • Cancer
  • Gastrointestinal Cancer
  • Intensity-Modulated Radiotherapy
  • Metastatic Breast Cancer
  • Thoracic Cancer

Education & Awards

Dr. McGrath graduated from University of Vermont, Burlington. He has 1 awards.

Castle Connolly's Top Doctors™ (2012 - 2013)


Dr. McGrath has 8 hospital affiliations:

  • Newton-Wellesley Hospital 
  • Massachusetts General Hospital 


  • Portuguese
  • Spanish
  • French

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Additional Information
Dr. John Joseph McGrath MD is a male Radiation Oncologist, has 18 years of experience and practices in Radiation Oncology.
Where does Dr. John J. McGrath practice?
Dr. John McGrath has 4 office locations.
Dr. John McGrath practices Radiation Oncology near Peabody, MA.
Additional practice locations include: Danvers, MA and Salem, MA.
See Peabody Radiation Oncologists.