Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Michael J Sinclair, MD

Individual provider Pediatrics Physician · NPI 1851590764

Michael J Sinclair, MD is a Pediatrics Physician in Walnut Creek, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1601 Ygnacio Valley Rd
Walnut Creek, CA 94598-3122
Phone: (925) 930-8200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence G55296 (CA)

Record details

NPI number1851590764
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 12, 2007
Last updated in NPPESJuly 12, 2007
Mailing addressPo Box 1350, Suisun City, CA 94585-4350

Other providers in Walnut Creek