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Provider Profile

William Loo

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At a glance

About William Loo

William Loo is a physician assistant based in Pomona, CA. The provider's National Provider Identifier (NPI) is 1427887660.

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

Education & Training

School Other Graduated: 2024

Specialty

Credentials & Licensing

CA · Physician AssistantPhysician Assistant Board
No. 65690CurrentExpires Oct 2028Since 2025
NPINational Provider Identifier
1427887660Issued 2024

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 does William Loo specialize in?

William Loo is a physician assistant in Pomona, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is William Loo located?

William Loo is listed at 450 E 2Nd St, Pomona, CA 91766. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is William Loo's phone number?

The number on file is (909) 469-5335. Contact the office directly to confirm availability and scheduling.

NPI registry

What is William Loo's NPI number?

William Loo's National Provider Identifier is 1427887660. 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

Where did William Loo train?

William Loo attended Other, graduating in 2024. This comes from the CMS National Downloadable File.

CMS public data

How long has William Loo been practicing?

William Loo has 2 years experience. Calculated from a graduation year of 2024, reported in the CMS National Downloadable File.

CMS public data

Has William Loo confirmed this information?

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

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