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 Not confirmed with CMS for 16 years — call before visiting
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

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