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Physician Profile

Mark A. Alderdice, M.D.

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At a glance

About Dr. Alderdice

Mark A. Alderdice, M.D. is a healthcare provider in Daly City, CA specializing in emergency medicine. This provider record is associated with NPI 1689612871.

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

Specialty

Emergency Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 62209DelinquentExpired Feb 28, 2026Since 1988
NPINational Provider Identifier
1689612871Issued 2006

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 does Mark A. Alderdice specialize in?

Mark A. Alderdice is an emergency physician in Daly City, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.

NPI registry

Where is Mark A. Alderdice located?

Mark A. Alderdice is listed at 1900 Sullivan Ave, Daly City, CA 94015. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Mark A. Alderdice's phone number?

The number on file is (415) 992-4000. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Mark A. Alderdice?

Mark A. Alderdice's National Provider Identifier is 1689612871. 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 Mark A. Alderdice have?

Mark A. Alderdice has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Is Mark A. Alderdice's profile verified?

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

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