Jason Efstathiou
Radiation Oncology Physician · MD · Oncologist in Boston, MA
Provider details
- Specialty
- Radiation Oncology Physician
- Credentials
- MD
- NPI number
- 1598967523
Checked against the CMS National Provider Identifier registry on October 2, 2026.
Medicare information
- Medical school
- Harvard Medical School, graduated 2003
- Also sees patients at
- The General Hospital
55 Fruit St, Boston, MA 02114 · (617) 726-2000
- The General Hospital
- Hospital affiliations
- Massachusetts General Hospital, Boston, MA · Medicare rating 5 out of 5 stars
- Massachusetts Eye and Ear Infirmary -, Boston, MA
- Newton-Wellesley Hospital, Newton, MA · Medicare rating 5 out of 5 stars
- North Shore Medical Center -, Salem, MA · Medicare rating 5 out of 5 stars
- Brigham and Women's Hospital, Boston, MA · Medicare rating 5 out of 5 stars
- Medicare
- Accepts Medicare assignment (the Medicare-approved amount as full payment)
- Telehealth
- Offers telehealth visits
From Medicare’s public Care Compare data (Doctors and Clinicians), checked October 3, 2026. Ratings are Medicare’s, not Know Cancer’s. Medicare Care Compare
About
Jason Efstathiou, MD, is a radiation oncology physician in Boston, Massachusetts, registered with the federal National Provider Identifier (NPI) registry. They attended Harvard Medical School, graduating in 2003. Contact the provider directly to confirm services, hours and accepted insurance.
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