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About IRWIN

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Areas of Expertise

Gastroenterology (Primary)

Licensing & Certification

AZ license765443
NPI1184561458
NPI issued05/04/2026

Source: NPPES NPI Registry

Common questions

What does Dr. Irwin specialize in?

Dr. Irwin is a gastroenterologist in Phoenix, AZ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Gastroenterology”.

NPI registry

Where is Dr. Irwin located?

Dr. Irwin is listed at 4150 N 108TH AVE STE 142, Phoenix, AZ 85037. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Irwin's phone number?

The number on file is (651) 318-2025. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Irwin's NPI number?

Dr. Irwin's National Provider Identifier is 1184561458. 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 Dr. Irwin confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Irwin. If this is you, claiming it is free.

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Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.