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Michael Sinclair, MD
NPI 1851590764 · Pediatrics Physician · Walnut Creek, CA
Michael Sinclair, MD is a Pediatrics Physician provider in Walnut Creek, CA (NPI 1851590764).
Provider details
- NPI number
- 1851590764
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G55296 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
1601 Ygnacio Valley Rd
Walnut Creek, CA 94598-3122
Phone: (925) 930-8200
Street-level locationGet directions
Mailing address
Po Box 1350
Suisun City, CA 94585-4350
Registry dates
- Enumerated
- 2007-07-12
- Last updated
- 2007-07-12
Frequently asked questions
- What is Michael Sinclair's NPI number?
- Michael Sinclair's National Provider Identifier (NPI) is 1851590764, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Sinclair's specialty?
- Michael Sinclair is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Sinclair located?
- Michael Sinclair's practice location on file with NPPES is 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598-3122.
- What is Michael Sinclair's phone number?
- The practice phone number listed in the NPPES registry for Michael Sinclair is (925) 930-8200.
- Is Michael Sinclair's NPI active?
- Yes — Michael Sinclair's NPI (1851590764) is active in the NPPES registry as of the last update on 2007-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.