IndividualActive
James Ellsmere, M.D.
NPI 1912944596 · Surgery Physician · Boston, MA
James Ellsmere, M.D. is a Surgery Physician provider in Boston, MA (NPI 1912944596).
Provider details
- NPI number
- 1912944596
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 223637 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
330 Brookline Ave
Bidmc/Shapiro Ground 20
Boston, MA 02115
Phone: (617) 667-5102
Street-level locationGet directions
Mailing address
235 Rawson Rd
Brookline, MA 02445-4425
Registry dates
- Enumerated
- 2006-06-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Ellsmere's NPI number?
- James Ellsmere's National Provider Identifier (NPI) is 1912944596, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Ellsmere's specialty?
- James Ellsmere is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is James Ellsmere located?
- James Ellsmere's practice location on file with NPPES is 330 Brookline Ave, Boston, MA 02115.
- What is James Ellsmere's phone number?
- The practice phone number listed in the NPPES registry for James Ellsmere is (617) 667-5102.
- Is James Ellsmere's NPI active?
- Yes — James Ellsmere's NPI (1912944596) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.