IndividualActive
John Sinclair, D.D.S.
NPI 1578535472 · General Practice Dentistry · Petaluma, CA
John Sinclair, D.D.S. is a General Practice Dentistry provider in Petaluma, CA (NPI 1578535472).
Provider details
- NPI number
- 1578535472
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 37603 (CA)
Specialties & taxonomies
Dental Providers
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
10 W El Rose Dr
Petaluma, CA 94952
Phone: (707) 763-4116
Fax: (707) 763-4499
Street-level locationGet directions
Mailing address
10 W El Rose Dr
Petaluma, CA 94952-4023
Registry dates
- Enumerated
- 2006-02-03
- Last updated
- 2018-07-16
Frequently asked questions
- What is John Sinclair's NPI number?
- John Sinclair's National Provider Identifier (NPI) is 1578535472, 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 10 W El Rose Dr, Petaluma, CA 94952.
- What is John Sinclair's phone number?
- The practice phone number listed in the NPPES registry for John Sinclair is (707) 763-4116.
- Is John Sinclair's NPI active?
- Yes — John Sinclair's NPI (1578535472) is active in the NPPES registry as of the last update on 2018-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.