Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. CATHERINE LOUISE IRWIN MD
NPI 1245216506
Pediatrics in Anchorage, AK

Active since December 19, 2005
4001 DALE ST, #213, ANCHORAGE, AK 99508(907) 562-2944(907) 562-6321 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Catherine Louise Irwin Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CATHERINE LOUISE IRWIN MD (NPI 1245216506) is an individual pediatrics provider in Anchorage, Alaska, licensed in Alaska (3491) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1245216506
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. CATHERINE LOUISE IRWINCredential: MD
Location Address4001 DALE ST, #213Anchorage, AK 99508-5428
Mailing Address4001 Dale St, #213Anchorage, AK 99508-5428 · (907) 562-2944 · Fax (907) 562-6321
Fax(907) 562-6321
Sole ProprietorNo
Enumeration DateDecember 19, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1245216506 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License Licensed in AK · 3491
Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

4001 DALE ST, Anchorage, AK 99508

Other Names 1

Former Name (1)Dr. Catherine Louise Payne Md

Other Identifiers 1

MedicaidMD0938AK

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
4001 DALE ST, SUITE 210
ANCHORAGE, AK 99508
Durable Medical Equipment & Medical Supplies
4001 DALE ST, SUITE 101
ANCHORAGE, AK 99508
Nurse Practitioner (Family)
4001 DALE ST, #201
ANCHORAGE, AK 99508
Home Health
4001 DALE ST, SUITE 101
ANCHORAGE, AK 99508
Psychiatry & Neurology (Psychiatry)
4001 DALE ST, STE 101
ANCHORAGE, AK 99508
Otolaryngology
4001 DALE ST, #201
ANCHORAGE, AK 99508
Psychiatry & Neurology (Psychiatry)
4001 DALE ST, STE 101
ANCHORAGE, AK 99508
Physical Therapist
4001 DALE ST, SUITE 101
ANCHORAGE, AK 99508

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Catherine Irwin's NPI number?

The NPI number for Catherine Irwin is 1245216506. It was assigned to this individual provider in the NPPES registry on December 19, 2005. The provider is also known as Dr. Catherine Louise Payne MD.

Where is Catherine Irwin located?

Catherine Irwin practices at 4001 Dale St #213, Anchorage, AK 99508. The listed phone number is (907) 562-2944.

What is Catherine Irwin's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

When was this NPI record last updated?

The NPPES record for Catherine Irwin was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.