John Sinclair, DDS
NPI 1538165832 · General Practice Dentistry · Pittsfield, MA
Enrolled with Medicare as Practitioner - Oral Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Sinclair, DDS is a General Practice Dentistry provider in Pittsfield, MA (NPI 1538165832).
Provider details
- NPI number
- 1538165832
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DDS
- Sex
- Male
- License
- 14912 (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
21 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
- 2005-06-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Sinclair's NPI number?
- John Sinclair's National Provider Identifier (NPI) is 1538165832, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Sinclair's specialty?
- John Sinclair is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is John Sinclair located?
- John Sinclair's practice location on file with NPPES is 207 1st St, Pittsfield, MA 01201-4725.
- What is John Sinclair's phone number?
- The practice phone number listed in the NPPES registry for John Sinclair is (413) 445-7791.
- Does John Sinclair accept Medicare?
- John Sinclair is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Sinclair's NPI active?
- Yes — John Sinclair's NPI (1538165832) 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.