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Physician Profile

Calvin Brenneman, MD

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At a glance

About Dr. Brenneman

Based in Palo Alto, CA, Calvin Brenneman, MD is listed in the NPI registry under internal medicine. NPI 1467567982 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. 28199CurrentExpires Aug 2027Since 1974
NPINational Provider Identifier
1467567982Issued 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 Dr. Brenneman specialize in?

Dr. Brenneman is an internist in Palo Alto, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

Where is Dr. Brenneman located?

Dr. Brenneman is listed at 795 El Camino Real, Palo Alto, CA 94301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Brenneman's phone number?

The number on file is (650) 321-4121. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Brenneman's NPI number?

Dr. Brenneman's National Provider Identifier is 1467567982. 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. Brenneman been practicing?

Dr. Brenneman 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. Brenneman confirmed this information?

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

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