Physician Profile

Calvin C. Loken, M.D.

Unclaimed Profile

About Dr. Loken

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Specialty

Specialist (Primary)

Credentials & Licensing

MN license23268
NPI1912932922
NPI issued07/11/2006

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.

Common questions

What does Calvin C. Loken specialize in?

Calvin C. Loken is a specialist in Duluth, MN. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Calvin C. Loken located?

Calvin C. Loken is listed at 925 E Superior St, Duluth, MN 55802. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Calvin C. Loken's phone number?

The number on file is (218) 722-3700. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Calvin C. Loken's NPI number?

Calvin C. Loken's National Provider Identifier is 1912932922. 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

How long has Calvin C. Loken been practicing?

Calvin C. Loken 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

Has Calvin C. Loken confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Calvin C. Loken. 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.