James Mastromatteo, M.D.
NPI 1457348856 · Diagnostic Radiology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Mastromatteo, M.D. is a Diagnostic Radiology Physician provider in Boston, MA (NPI 1457348856).
Provider details
- NPI number
- 1457348856
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 81781 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2005-09-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Mastromatteo's NPI number?
- James Mastromatteo's National Provider Identifier (NPI) is 1457348856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Mastromatteo's specialty?
- James Mastromatteo is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is James Mastromatteo located?
- James Mastromatteo's practice location on file with NPPES is 1153 Centre St, Boston, MA 02130-3446.
- What is James Mastromatteo's phone number?
- The practice phone number listed in the NPPES registry for James Mastromatteo is (617) 983-7163.
- Does James Mastromatteo accept Medicare?
- James Mastromatteo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Mastromatteo's NPI active?
- Yes — James Mastromatteo's NPI (1457348856) 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.