Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Johanna Ellefson, MD

Individual provider Anesthesiology Physician · NPI 1356283105

Johanna Ellefson, MD is an Anesthesiology Physician in Madison, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2026.

Licensed in
WI
In the registry since
2026
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

Uw Hospitals & Clinics 600 Highland Ave
Madison, WI 53792-0001
Phone: (608) 263-6400
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 102252851 (WI)

Record details

NPI number1356283105
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 8, 2026
Last updated in NPPESJune 22, 2026
Certification dateJune 22, 2026

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