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

Helen Ahn, OD

Individual provider Optometrist · NPI 1871015719

Helen Ahn, OD is an Optometrist in San Leandro, California. Licensed in California. Registered with an NPI since 2017.

Licensed in
CA
In the registry since
2017
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

276 Dolores Ave
San Leandro, CA 94577-5008
Phone: (510) 614-1515
Fax: (510) 357-6330
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 33769TLG (CA)

Record details

NPI number1871015719
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedJuly 12, 2017
Last updated in NPPESAugust 31, 2020
Certification dateJuly 29, 2020
Mailing address904 Cedar St, Santa Cruz, CA 95060-3802

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