Provider Profile
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License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
1959 NE PACIFIC ST C212, BOX 356340
Seattle, WA 98195
Gunnar B. Ragnarsson is an oncologist in Seattle, WA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.
NPI registry
Gunnar B. Ragnarsson is listed at 1959 Ne Pacific St C212, Box 356340, Seattle, WA 98195. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (206) 543-0065. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Gunnar B. Ragnarsson's National Provider Identifier is 1710092515. 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
Gunnar B. Ragnarsson has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Gunnar B. Ragnarsson. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.