Provider Profile

Diana S. On, LCSW

Unclaimed Profile

About Diana On

Diana S. On, LCSW is a clinical social worker practicing in Chino Hills, CA. Diana is also listed as specializing in mental health counselor.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Specialty

Clinical Social Worker (Primary)
Clinical Social Worker (Additional)

Credentials & Licensing

CA licenseACSW35310
CA license80518
NPI1033346705
NPI issued06/19/2009

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 kind of doctor is Diana S. On?

Diana S. On is a clinical social worker in Chino Hills, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is Diana S. On's address?

Diana S. On is listed at 5939 Crestmont Dr, Chino Hills, CA 91709. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Diana S. On?

The number on file is (626) 664-0462. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Diana S. On?

Diana S. On's National Provider Identifier is 1033346705. 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 Diana S. On have?

Diana S. On 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

Is Diana S. On's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Diana S. On. 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.