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Physician Profile

William B. Downs, M.D.

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At a glance

About Dr. Downs

William B. Downs, M.D. is a healthcare provider in Ontario, CA specializing in occupational medicine. This provider record is associated with NPI 1851593636.

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

Specialty

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 39617CurrentExpires Jan 2027Since 1979
NPINational Provider Identifier
1851593636Issued 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 kind of doctor is William B. Downs?

William B. Downs is an occupational medicine in Ontario, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is William B. Downs's address?

William B. Downs is listed at 1101 S Milliken Ave Suite C, Ontario, CA 91761. 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 B. Downs?

The number on file is (615) 778-4066. Contact the office directly to confirm availability and scheduling.

NPI registry

What is William B. Downs's NPI number?

William B. Downs's National Provider Identifier is 1851593636. 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 long has William B. Downs been practicing?

William B. Downs 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

Has William B. Downs confirmed this information?

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

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