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Physician Profile

Joseph Chao, M.D.

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At a glance

About Dr. Chao

Joseph Chao, M.D. practices medical oncology in Duarte, CA. Joseph is also listed as specializing in hematology and hematology & oncology. The provider's National Provider Identifier (NPI) is 1285831057.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Medical Oncology (Primary)
Hematology & Oncology (Additional)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 94368CurrentExpires Oct 2027Since 2006
NPINational Provider Identifier
1285831057Issued 2007

Snapshot · verify with the board ↗

Medicare information

Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Joseph Chao specialize in?

Joseph Chao is an oncologist in Duarte, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.

NPI registry

Where is Joseph Chao located?

Joseph Chao is listed at 1500 Duarte Rd, Duarte, CA 91010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Joseph Chao's phone number?

The number on file is (626) 471-9200. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Joseph Chao?

Joseph Chao's National Provider Identifier is 1285831057. 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 Joseph Chao have?

Joseph Chao has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Is Joseph Chao's profile verified?

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

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