Jason A. Efstathiou, MD
Jason A. Efstathiou, MD is a Radiation Oncology in Boston, Massachusetts. Graduated from Harvard Medical School in 2003, 23 years ago. Practices with The General Hospital Corporation, a 1,276-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.
- Years since qualifying
- 23
- Trained at
- Harvard Medical School
- Licensed in
- MA
- In the registry since
- 2007
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Partly verified
Massachusetts General Hospital 55 Fruit StBoston, MA 02114
Phone: (617) 726-1160
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (1)
- 75 Francis St, Boston, MA 02115-6110 — (617) 732-5500
Specialties & licences
| Radiation Oncology Physician (primary) | Taxonomy 2085R0001X · Licence 235571 (MA) |
|---|
Record details
| NPI number | 1598967523 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | June 1, 2007 |
| Last updated in NPPES | February 6, 2026 |
| Certification date | February 6, 2026 |
| Mailing address | Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114 |
Medicare enrollment
| Medicare specialty | RADIATION ONCOLOGY |
|---|---|
| Medical school | HARVARD MEDICAL SCHOOL |
| Graduated | 2003 (23 years in practice) |
| Group practice | The General Hospital Corporation — 1276 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Telehealth | Offers telehealth services |
| Practice locations | 2 on file with Medicare |
Other providers in Boston
-
Anthony Victor Damico, MD
75 Francis St ASB1 L2 Brigham And Womens Hospital Radiation Oncology, Boston, MA 02115 · (617) 732-6310
-
Dr. Phillip Martin Devlin, MD
75 Francis Street ASB1 L2 Brigham And Women's Hospital Radiation Oncology, Boston, MA 02115 · (617) 732-6331
-
Brett Diamond, MD
800 Washington St, Boston, MA 02111-1552 · (617) 636-6161
-
Michael Dyer, MD
830 Harrison Avenue Moakley LL100, Boston, MA 02118-2905 · (617) 638-7070
-
Dr. Hesham Elhalawani, MD, MSC
75 Francis St, Boston, MA 02115-6106 · (617) 732-5500
-
Andrew Eugene Hermann Elia, MD, PHD
75 Francis St Radiation Oncology L2, Boston, MA 02115-6110 · (617) 732-6310
-
Kelly Fitzgerald, MD-PHD
75 Francis St, Boston, MA 02115-6106 · (617) 732-5500
-
Shira L Galper, MD
150 S Huntington Ave 114A Dept Radiation Oncology, Boston, MA 02130-4817 · (857) 364-5629