What is Gerald Irwin's NPI number?

Gerald Irwin's National Provider Identifier (NPI) is 1184561458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gerald Irwin's specialty?

Gerald Irwin is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).

Where is Gerald Irwin located?

Gerald Irwin's practice location on file with NPPES is 4150 N 108th Ave Ste 142, Phoenix, AZ 85037-5467.

What is Gerald Irwin's phone number?

The practice phone number listed in the NPPES registry for Gerald Irwin is (651) 318-2025.

Is Gerald Irwin's NPI active?

Yes — Gerald Irwin's NPI (1184561458) is active in the NPPES registry as of the last update on 2026-05-04.

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Gerald Irwin

NPI 1184561458 · Gastroenterology Physician · Phoenix, AZ

Gerald Irwin is a Gastroenterology Physician provider in Phoenix, AZ (NPI 1184561458).

Provider details

NPI number: 1184561458
Entity type: Individual
Primary specialty: Gastroenterology PhysicianAllopathic & Osteopathic Physicians
Sole proprietor: Yes
License: 765443 (AZ)

Specialties & taxonomies

Gastroenterology PhysicianPrimary207RG0100XLicense 765443 (AZ)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(53/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

4150 N 108th Ave Ste 142

Phoenix, AZ 85037-5467

Phone: (651) 318-2025

Street-level locationGet directions

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Mailing address