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Physician Profile

William F. Loos, M.D.

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At a glance

About Dr. Loos

Based in Sylmar, CA, William F. Loos, M.D. is listed in the NPI registry under internal medicine. NPI 1417099425 identifies this record in the national registry.

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

Specialty

Internal Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 41787CurrentExpires May 2027Since 1980
NPINational Provider Identifier
1417099425Issued 2007

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Common questions

What is William F. Loos's specialty?

William F. Loos is an internist in Sylmar, 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 F. Loos?

William F. Loos is listed at 14445 Olive View Dr Room 6B119-H, Sylmar, CA 91342. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact William F. Loos?

The number on file is (818) 364-3035. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for William F. Loos?

William F. Loos's National Provider Identifier is 1417099425. 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 William F. Loos have?

William F. Loos 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 William F. Loos's profile verified?

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

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