Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. CATHY GAU NP
NPI 1457387045
Nurse Practitioner - Critical Care Medicine in Phoenix, AZ

Active since June 24, 2006
250 E DUNLAP AVE, PHOENIX, AZ 85020(602) 870-6353 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ms. Cathy Gau Np NPPES

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

MS. CATHY GAU NP (NPI 1457387045) is an individual critical care medicine provider in Phoenix, Arizona, licensed in Arizona (AP1135) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1457387045
Entity TypeIndividualFemale
Primary Taxonomy363LC0200X
Provider Legal NameMS. CATHY GAUCredential: NP
Location Address250 E DUNLAP AVEPhoenix, AZ 85020-2825
Mailing Address1114 E Tonto LnPhoenix, AZ 85024-1731 · (623) 581-1565
Sole ProprietorNo
Enumeration DateJune 24, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1457387045 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Critical Care MedicinePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LC0200X
License Licensed in AZ · AP1135
250 E DUNLAP AVE, Phoenix, AZ 85020

Other Identifiers 1

Medicaid708331AZ

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.

Hospitalist
250 E DUNLAP AVE
PHOENIX, AZ 85020
Internal Medicine
250 E DUNLAP AVE
PHOENIX, AZ 85020
Anesthesiology
250 E DUNLAP AVE
PHOENIX, AZ 85020
Anesthesiology
250 E DUNLAP AVE
PHOENIX, AZ 85020
Internal Medicine
250 E DUNLAP AVE
PHOENIX, AZ 85020
Anesthesiology
250 E DUNLAP AVE
PHOENIX, AZ 85020
Internal Medicine
250 E DUNLAP AVE
PHOENIX, AZ 85020
Emergency Medicine
250 E DUNLAP AVE
PHOENIX, AZ 85020

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 Cathy Gau's NPI number?

The NPI number for Cathy Gau is 1457387045. It was assigned to this individual provider in the NPPES registry on June 24, 2006.

Where is Cathy Gau located?

Cathy Gau practices at 250 E Dunlap Ave, Phoenix, AZ 85020. The listed phone number is (602) 870-6353.

What is Cathy Gau's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.

When was this NPI record last updated?

The NPPES record for Cathy Gau was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.