Physician Profile

Johanna Ellefson, MD

Unclaimed Profile

About Dr. Ellefson

Johanna Ellefson, MD is a healthcare provider in Madison, WI specializing in anesthesiology. This provider record is associated with NPI 1356283105.

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

Specialty

Anesthesiology (Primary)

Credentials & Licensing

WI licenceAs reported to the NPI registry
No. 102252851As reported
NPINational Provider Identifier
1356283105Issued 2026

As reported to the NPI registry ↗

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. Ellefson specialize in?

Dr. Ellefson is an anesthesiologist in Madison, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.

NPI registry

Where is Dr. Ellefson located?

Dr. Ellefson is listed at Uw Hospitals & Clinics 600 Highland Ave, Madison, WI 53792. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Ellefson's phone number?

The number on file is (608) 263-6400. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Ellefson?

Dr. Ellefson's National Provider Identifier is 1356283105. 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

Is Dr. Ellefson's profile verified?

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

Guide.md

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