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

Oscar L. Chien, MD, a Professional Medical Corporation

Organization Specialist · NPI 1679820385

Oscar L. Chien, MD, a Professional Medical Corporation is a Specialist in San Gabriel, California. Licensed in California. Registered with an NPI since 2012.

Licensed in
CA
In the registry since
2012

Practice location Address checks out

1448 S San Gabriel Blvd
San Gabriel, CA 91776-3656
Phone: (626) 569-2888
Fax: (626) 569-9929
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence A54999 (CA)

Record details

NPI number1679820385
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Jennifer Chao — Manager · (626) 569-2888
NPI enumeratedAugust 13, 2012
Last updated in NPPESSeptember 4, 2012
Mailing addressP.O. Box 80157, San Marino, CA 91118-8157

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