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Physician Profile

William K. Halliday, M.D.

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At a glance

About Dr. Halliday

William K. Halliday, M.D. practices cardiovascular disease (cardiology) in Montebello, CA. William is also listed as specializing in cardiovascular disease. The provider's National Provider Identifier (NPI) is 1013021708.

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

Education & Training

School Other Graduated: 1968

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 23526CurrentExpires May 2028Since 1969
NPINational Provider Identifier
1013021708Issued 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 kind of doctor is William K. Halliday?

William K. Halliday is a cardiovascular disease (cardiology) in Montebello, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is William K. Halliday's address?

William K. Halliday is listed at 2444 W Beverly Blvd, Montebello, CA 90640. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with William K. Halliday?

The number on file is (323) 201-4130. Contact the office directly to confirm availability and scheduling.

NPI registry

What is William K. Halliday's NPI number?

William K. Halliday's National Provider Identifier is 1013021708. 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 K. Halliday train?

William K. Halliday attended Other, graduating in 1968. This comes from the CMS National Downloadable File.

CMS public data

How long has William K. Halliday been practicing?

William K. Halliday has 58 years experience. Calculated from a graduation year of 1968, reported in the CMS National Downloadable File.

CMS public data

Has William K. Halliday confirmed this information?

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

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