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

Claire T Diep MD Inc

Organization Internal Medicine Physician · NPI 1609958636

Claire T Diep MD Inc is an Internal Medicine Physician in Union City, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

33509 Western Ave
Union City, CA 94587
Phone: (510) 441-8081
Fax: (510) 441-8080
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A55900 (CA)

Record details

NPI number1609958636
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Claire Diep — President · (510) 441-8081
NPI enumeratedOctober 19, 2006
Last updated in NPPESJuly 17, 2007
Mailing address33509 Western Avenue, Union City, CA 94587

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