Provider Profile
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Source: NPPES NPI Registry
4888 N STONE AVE UNIT 120
Tucson, AZ 85704
William G. Barker is a counselor in Tucson, AZ. That is the designation recorded for this NPI in the federal registry.
NPI registry
William G. Barker is listed at 4888 N Stone Ave Unit 120, Tucson, AZ 85704. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (520) 670-3909. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
William G. Barker's National Provider Identifier is 1174469589. 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
Not yet. This profile is built from public federal data and has not been confirmed by William G. Barker. 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.