Search › Massachusetts › 2085R0001X
Jason Efstathiou, MD
NPI 1598967523 · on the registry since 2007
Practice
- Address
- Massachusetts General Hospital
55 Fruit Street
Boston, MA 02114 - Phone
- (617) 726-1160
- Clinicians at this address
- 876
Additional practice sites
- 75 Francis St, Boston, MA
Registry record
- Primary taxonomy
- 2085R0001X
2085R0001X
- Licence states on file
- MA
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2026-02-06
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Massachusetts