Provider Profile

James Siems

Unclaimed Profile

About James Siems

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Specialty

Credentials & Licensing

NPI1558206680
NPI issued04/23/2026

Source: NPPES NPI Registry

Common questions

What is James Siems's address?

James Siems is listed at 4245 S Grand Canyon Dr, Las Vegas, NV 89147. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with James Siems?

The number on file is (702) 825-8106. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is James Siems's NPI number?

James Siems's National Provider Identifier is 1558206680. 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

Has James Siems confirmed this information?

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