Individual provider · Type 1 NPI

Leah Elisabeth Karlsen, MD

Internal Medicine Physician · Seattle, WA

NPI number 1104408806 Active

Practice location

5350 Tallman Ave NW Ste 301
Seattle, WA 98107-5902

Call (206) 386-2550 Map

Mailing address

PO Box 25608
Salt Lake City, UT 84125-0608

Other practice locations

  • 1959 NE Pacific St, Seattle, WA 98195-0001 · (206) 543-3605

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000XMD61455824 (WA)

Internal Medicine Physician: A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medi…

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About NPI 1104408806

Leah Elisabeth Karlsen, MD's National Provider Identifier is 1104408806, issued on Apr 22, 2021. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Seattle, WA. The record was last updated on Nov 19, 2025.