Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
JASON A. EFSTATHIOU, MD
ActiveJASON A. EFSTATHIOU, MD is a Radiation Oncology healthcare provider located in BOSTON, Massachusetts. NPI 1598967523 is currently active in the NPPES registry. Verify at CMS.
Radiation Oncology · BOSTON, MA
Registration Details
- NPI Number
- 1598967523
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Jun 1, 2007 (19.228165921113 yrs)
- Last Updated
- Feb 6, 2026
- License
-
235571 (MA)
Practice Information
- Address
-
MASSACHUSETTS GENERAL HOSPITAL55 FRUIT STREETBOSTON, MA, 02114Browse MA providers · Browse ZIP 02114
- Phone
- 6177261160
- Primary Specialty
-
Radiation Oncology
2085R0001X
Other Radiation Oncology Providers in BOSTON, MA
| Name | Credential | NPI |
|---|---|---|
| DR. JACQUELINE E TAN | MD | 1598766214 |
| DR. ABRAM RECHT | M.D. | 1154319671 |
| DR. ROBIN SCHOENTHALER | MD | 1619967270 |
| DR. ELLEN M KORNMEHL | MD | 1740270487 |
| DR. MINH TAM TRUONG | MD | 1316937436 |
| DR. NORBERT J LIEBSCH | MD PHD | 1801887948 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.