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

William G Sinclair Jr DMD Inc

Organization Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1861612590

William G Sinclair Jr DMD Inc is an Orthodontics and Dentofacial Orthopedics Dentistry in Claremont, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

328 N Indian Hill Blvd
Claremont, CA 91711
Phone: (909) 621-3093
Fax: (909) 625-6850
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthodontics and Dentofacial Orthopedics Dentistry (primary) Taxonomy 1223X0400X · Licence 17625 (CA)

Record details

NPI number1861612590
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Sinclair — President Orthodontist · (909) 621-3093
NPI enumeratedApril 26, 2007
Last updated in NPPESAugust 22, 2020
Mailing address328 N Indian Hill Blvd, Claremont, CA 91711

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