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Physician Profile

Matthew Kiefer, MD

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At a glance

About Dr. Kiefer

Matthew Kiefer, MD is a healthcare provider in Oakland, CA specializing in emergency medicine. According to Medicare claims data, Matthew cared for 440 Medicare patients across 448 services. The services billed most often include emergency department visit with high level of medical decision making, emergency department visit with moderate level of medical decision making, and critical care, first 30-74 minutes. This provider record is associated with NPI 1942573258.

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

Specialty

Emergency Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 123937CurrentExpires May 2028Since 2012
NPINational Provider Identifier
1942573258Issued 2012

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. Kiefer specialize in?

Dr. Kiefer is an emergency physician in Oakland, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.

NPI registry

Where is Dr. Kiefer located?

Dr. Kiefer is listed at 1411 East 31St Street Alameda County Medical Center - Highland Campus, Oakland, CA 94602. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Kiefer's phone number?

The number on file is (917) 699-8581. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Kiefer's NPI number?

Dr. Kiefer's National Provider Identifier is 1942573258. 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. Kiefer been practicing?

Dr. Kiefer has 14+ years experience. Registered with an NPI since 2012. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

What does Dr. Kiefer do most often?

According to Medicare billing data, Dr. Kiefer provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Dr. Kiefer confirmed this information?

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

Guide.md

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

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