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KATHLEEN AU
NPI 1871956441
Optometrist in Chicago, IL

Active since March 31, 2016
852 N STATE ST., CHICAGO, IL 60610(312) 419-1967 Get Directions Write a Review

NPPES record last updated: December 8, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 8, 2025, Mar 17, 2018, Jul 22, 2017 and 1 more (4 updates tracked since 2016).

About Kathleen Au NPPES

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

KATHLEEN AU (NPI 1871956441) is an individual optometrist in Chicago, Illinois, licensed in California (33786TLG) and active in the NPI registry since March 2016.

NPPES Registry Identity

NPI1871956441
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameKATHLEEN AU
Location Address852 N STATE ST.Chicago, IL 60610
Mailing Address852 N State St.Chicago, IL 60610
Phone(312) 419-1967
Sole ProprietorNo
Enumeration DateMarch 31, 2016
Last NPPES UpdateDecember 8, 20254 updates tracked since enumeration
NPPES CertifiedDecember 8, 2025
✔ NPI 1871956441 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in CA · 33786TLG
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
852 N STATE ST., Chicago, IL 60610
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and more.Insurance ›

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 Kathleen Au's NPI number?

The NPI number for Kathleen Au is 1871956441. It was assigned to this individual provider in the NPPES registry on March 31, 2016.

Where is Kathleen Au located?

Kathleen Au practices at 852 N State St., Chicago, IL 60610. The listed phone number is (312) 419-1967.

What is Kathleen Au's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

What insurance does Kathleen Au accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list Kathleen Au as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Kathleen Au was last updated on December 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.