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Physician Profile

Mark Drucker, MD

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At a glance

About Dr. Drucker

Mark Drucker, MD practices ophthalmology in Walnut Creek, CA. The provider's National Provider Identifier (NPI) is 1699753046.

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

Specialty

Ophthalmology (Primary)

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 45173CurrentExpires Nov 30, 2026Since 1981
CA licenceAs reported to the NPI registry
No. G0045173As reported
NPINational Provider Identifier
1699753046Issued 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 kind of doctor is Dr. Drucker?

Dr. Drucker is an eye doctor in Walnut Creek, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.

NPI registry

What is Dr. Drucker's address?

Dr. Drucker is listed at 1855 San Miguel Dr #28, Walnut Creek, CA 94596. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Drucker?

The number on file is (925) 935-4978. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Drucker's NPI number?

Dr. Drucker's National Provider Identifier is 1699753046. 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 Dr. Drucker been practicing?

Dr. Drucker 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

Has Dr. Drucker confirmed this information?

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

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