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

Cathy Ong, OD

Individual provider Optometrist · NPI 1801123518

Cathy Ong, OD is an Optometrist in Tustin, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009
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

15501 Sonora St
Tustin, CA 92782-1937
Phone: (949) 654-2066
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 13872 (CA)

Record details

NPI number1801123518
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorYes
NPI enumeratedNovember 17, 2009
Last updated in NPPESNovember 17, 2009
Mailing address15501 Sonora St, Tustin, CA 92782-1937

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