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

Katherine Lok Chan, OD

Individual provider Optometrist · NPI 1336302637

Katherine Lok Chan, OD is an Optometrist in San Mateo, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

138 E 3rd Ave
San Mateo, CA 94401-4013
Phone: (650) 348-8818
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 11078T (CA)

Record details

NPI number1336302637
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorYes
NPI enumeratedJuly 7, 2008
Last updated in NPPESJuly 7, 2008

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