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

Karen H. Chao, OD, Inc

Organization Optometrist · NPI 1639148539

Karen H. Chao, OD, Inc is an Optometrist in San Gabriel, 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

121 S Del Mar Ave Ste A
San Gabriel, CA 91776-1345
Phone: (626) 287-0401
Fax: (626) 287-1457
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 10301T (CA)

Record details

NPI number1639148539
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Karen Chao — President · (626) 287-0401
NPI enumeratedMarch 14, 2006
Last updated in NPPESSeptember 23, 2010
Mailing address121 S Del Mar Ave, Suite A, San Gabriel, CA 91776-1345

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