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

Individual provider Optometrist · NPI 1932575388

Janet Youngeun Ko, OD is an Optometrist in San Leandro, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2015
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

1598 Washington Ave
San Leandro, CA 94577-4465
Phone: (510) 895-2116
Fax: (510) 895-9036
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 15344 (CA)

Record details

NPI number1932575388
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorYes
NPI enumeratedAugust 19, 2015
Last updated in NPPESAugust 26, 2016

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