Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Oscar L. Chien, MD, a Professional Medical Corporation

Organization Specialist · NPI 1679820385

Oscar L. Chien, MD, a Professional Medical Corporation provides Specialist services 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 Not confirmed with CMS for 14 years — call before visiting
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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