Search › Massachusetts › 207Q00000X
Casey Callahan, MD
NPI 1225657919 · on the registry since 2020 · sole proprietor
Practice
- Address
- 300 Broadway
Somerville, MA 02145 - Phone
- (617) 284-7000
- Clinicians at this address
- 58
Additional practice sites
- 88 Montvale Ave, Stoneham, MA
Registry record
- Primary taxonomy
- 207Q00000X
207Q00000X
- Licence states on file
- MA
From the registry's licence fields, which are often incomplete.
- Sex
- Female
- Record last updated
- 2026-08-18
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