Provider Profile

Calvin Williams

Unclaimed Profile

About Calvin Williams

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Specialty

Social Worker (Primary)

Credentials & Licensing

WA licenseSWIA.SC.70134673
NPI1265350995
NPI issued07/09/2026

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 is Calvin Williams's specialty?

Calvin Williams is a social worker in Seattle, WA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where can I find Calvin Williams?

Calvin Williams is listed at 400 N 34Th St Ste 320, Seattle, WA 98103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Calvin Williams?

The number on file is (206) 385-7864. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Calvin Williams?

Calvin Williams's National Provider Identifier is 1265350995. 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

Is Calvin Williams's profile verified?

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