John McGrath, MD
John McGrath, MD
Medical Director, MGH Department of Radiation Oncology at Emerson Hospital
4.9out of 5 (369 Ratings, 178 Comments)
About John McGrath, MD
Departments, Centers, & Programs:
Clinical Interests:
- Breast Cancer
- Gastrointestinal malignancy
- Intensity modulated radiation therapy (IMRT)
- Thoracic malignancies
Treats:
- Adult
Locations
Mass General Cancer Center at Emerson Hospital
131 Old Rd. To Nine Acre Corner
John Cuming Building
Concord, MA 01742
Phone: 978-287-3290
Medical Education
- MD, University of Vermont College of Medicine
- Residency, Tufts Medical Center
American Board Certifications
- Radiation Oncology, American Board of Radiology
Accepted Insurance Plans
- Aetna
- Beech Street
- Blue Cross Blue Shield
- Blue Cross Blue Shield Medicare
- Cigna
- Commonwealth Care Alliance
- Coventry
- Fallon Health
- Harvard Pilgrim Health Care
- Humana
- Maine Community Health Options
- Mass General Brigham Health Plan
- MassHealth
- Medicaid CT
- Medicaid ME
- Medicaid NH
- Medicaid NY
- Medicaid RI
- Medicaid VT
- Medicare
- Medicare ACO
- Multiplan
- Railroad Medicare
- Senior Whole Health
- TriCare
- Tufts Health Plan
- United Health Care
- Wellpoint
- WellSense
- WellSense NH
Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.
Reviews: Comments and Ratings
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A Top Hospital in America
Mass General is recognized as a top hospital on the U.S. News Best Hospitals Honor Roll for 2025-2026.
Very pleasant.
Dr. McGrath explained things in a way that was easily understandable, and answered all my questions fully.
Dr. Mcgrath is the best! Thank you!!!!!
He put me at ease and explained everything
Dr McGrath was wonderful
Dr. McGrath is the finest physician I have ever known and I feel so fortunate to be under his care. He is not only a brilliant doctor, he is so kind and truly cares for his patients. I remember when I was first diagnosed with breast cancer and was beginning my radiation treatment I was very nervous to meet my radiation oncologist and as soon as ... Read More
Dr McGrath is an excellent Dr and has a great personality. He makes his patients feel relaxed and optimistic for their future.
I absolutely loved the provider and all of his staff. I was very upset/concerned about my breast cancer diagnosis and left there confident in the care I was receiving. I cannot say enough about that whole office and staff.
He and office and nurses were fantastic
My experience with "Doctor Jack" has always been very fine.