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Physician Profile

William Chen, M.D.

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At a glance

About Dr. Chen

William Chen, M.D. practices internal medicine in Irvine, CA. William is a 2000 graduate of University of Southern California Keck School of Medicine. The provider's National Provider Identifier (NPI) is 1881659142.

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

Specialty

Internal Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 93575CurrentExpires Oct 2027Since 2005
NPINational Provider Identifier
1881659142Issued 2006

Snapshot · verify with the board ↗

Medicare information

Accepts Medicare assignmentYes
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 is William Chen's specialty?

William Chen is an internist in Irvine, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

Where can I find William Chen?

William Chen is listed at 6650 Alton Pkwy Suite 4131, Irvine, CA 92618. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact William Chen?

The number on file is (949) 932-2514. Contact the office directly to confirm availability and scheduling.

NPI registry

What is William Chen's NPI number?

William Chen's National Provider Identifier is 1881659142. 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

What is William Chen's education?

William Chen attended University of Southern California Keck School of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.

CMS public data

How long has William Chen been practicing?

William Chen has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.

CMS public data

Has William Chen confirmed this information?

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

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