Provider Profile

Margaret A. Ong

Unclaimed Profile

About Margaret Ong

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Specialty

Registered Nurse (Primary)

Credentials & Licensing

CA license625392
NPI1558235499
NPI issued10/02/2025

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Common questions

What is Margaret A. Ong's specialty?

Margaret A. Ong is a registered nurse in San Diego, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where can I find Margaret A. Ong?

Margaret A. Ong is listed at 9454 Twin Trails Dr Unit 204, San Diego, CA 92129. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Margaret A. Ong?

The number on file is (858) 900-6453. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Margaret A. Ong?

Margaret A. Ong's National Provider Identifier is 1558235499. 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 much experience does Margaret A. Ong have?

Margaret A. Ong has 1+ years experience. Registered with an NPI since 2025. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Is Margaret A. Ong's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Margaret A. 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.