Thomas Leonard, D.M.D.
NPI 1003817727 · General Practice Dentistry · Arlington, MA
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Leonard, D.M.D. is a General Practice Dentistry provider in Arlington, MA (NPI 1003817727).
Provider details
- NPI number
- 1003817727
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- D.M.D.
- Sex
- Male
- License
- 12586 (MA)
Specialties & taxonomies
Dental Providers
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
- 2005-08-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Thomas Leonard's NPI number?
- Thomas Leonard's National Provider Identifier (NPI) is 1003817727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Leonard's specialty?
- Thomas Leonard is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Thomas Leonard located?
- Thomas Leonard's practice location on file with NPPES is 366 Mass Ave, Arlington, MA 02474-6733.
- What is Thomas Leonard's phone number?
- The practice phone number listed in the NPPES registry for Thomas Leonard is (781) 646-8609.
- Does Thomas Leonard accept Medicare?
- Thomas Leonard is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Leonard's NPI active?
- Yes — Thomas Leonard's NPI (1003817727) 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.