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Physician Profile

John K. Colwell, MD

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At a glance

About Dr. Colwell

Based in Los Gatos, CA, John K. Colwell, MD is listed in the NPI registry under surgery. NPI 1811517667 identifies this record in the national registry.

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

Specialty

Surgery (Primary)

Credentials & Licensing

CA · Physician and Surgeon CMedical Board of California
No. 21013DelinquentExpired Mar 31, 2026Since 1959
NPINational Provider Identifier
1811517667Issued 2020

Snapshot · verify with the board ↗

Common questions

What does Dr. Colwell specialize in?

Dr. Colwell is a general surgeon in Los Gatos, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.

NPI registry

Where is Dr. Colwell located?

Dr. Colwell is listed at 222 Hollywood Ave, Los Gatos, CA 95030. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Colwell's phone number?

The number on file is (408) 358-1899. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Colwell?

Dr. Colwell's National Provider Identifier is 1811517667. 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 Dr. Colwell have?

Dr. Colwell has 6+ years experience. Registered with an NPI since 2020. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Is Dr. Colwell's profile verified?

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

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.