Provider Profile

Cathy Ong, O.D.

Unclaimed Profile

About Dr. Ong

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Specialty

Optometrist (Primary)

Credentials & Licensing

CA license13872
NPI1801123518
NPI issued11/17/2009

Source: NPPES NPI Registry

Common questions

What is Cathy Ong's specialty?

Cathy Ong is an optometrist in Tustin, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where can I find Cathy Ong?

Cathy Ong is listed at 15501 Sonora St, Tustin, CA 92782. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Cathy Ong?

The number on file is (949) 654-2066. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Cathy Ong's NPI number?

Cathy Ong's National Provider Identifier is 1801123518. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

How long has Cathy Ong been practicing?

Cathy Ong has 17+ years experience. Registered with an NPI since 2009. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Cathy Ong confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Cathy Ong. If this is you, claiming it is free.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.