Individual provider · Type 1 NPI

Nicholas C. Ellefson, DO

Hospitalist Physician · Duluth, MN

NPI number 1639699200 Active

Practice location

402 E 2nd St
Duluth, MN 55805-1906

Call (218) 786-4000 Map

Mailing address

1702 University Dr S
Fargo, ND 58103-4940

Other practice locations

  • 3500 Tower Ave, Superior, WI 54880-4491 · (715) 817-7100

Specialties and licenses

TaxonomyCodeLicense
Hospitalist Physician 208M00000X71579-21 (WI)
Hospitalist Physician Primary 208M00000X66646 (MN)
Family Medicine Physician 207Q00000X66646 (MN)
Family Medicine Physician 207Q00000X71579-21 (WI)
Family Medicine Physician 207Q00000X3356 (WV)

Hospitalist Physician: Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

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About NPI 1639699200

Nicholas C. Ellefson, DO's National Provider Identifier is 1639699200, issued on Jun 23, 2017. The primary taxonomy on file is Hospitalist Physician (208M00000X), and the practice location is in Duluth, MN. The record was last updated on Sep 1, 2026.