Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1871956441 Individual Practitioner Female Practitioner

Kathleen Au

Optometrist • Chicago, IL

Professional Overview & Biography Verified Profile Summary

Kathleen Au is a registered healthcare professional specializing in Optometrist in Chicago, IL. Practice services are available at 852 N STATE ST. under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

852 N State St.

Chicago, IL 60610

Telephone 3124191967

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Chicago, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 15.6 Yrs
State Avg: 22.8 Yrs
Regional Practice Density
633 Specialists

Practicing in Chicago, IL (2783 Statewide)

Telehealth Adoption Rate
0.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2025-12-08
Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License CA 33786TLG

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.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

14 Historical Events
📍
Updated Practice Location December 08, 2025

Registered at 852 N STATE ST., CHICAGO, IL 60610 (Tel: 3124191967)

📍
Updated Business Mailing Address December 08, 2025

Registered at 852 N STATE ST., CHICAGO, IL 60610

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 17, 2018

Student in an Organized Health Care Education/Training Program

NPI Profile Active July 22, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location July 22, 2017

Registered at 2615 E CLINTON AVE, FRESNO, CA 937032223 (Tel: 5592256100)

📍
Updated Business Mailing Address July 22, 2017

Registered at 16521 ELBE CIR, HUNTINGTON BEACH, CA 926474608

👤
Provider Name / Credentials Updated July 22, 2017

Recorded as KATHLEEN AU

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 22, 2017

Optometrist (License #33786TLG in CA)

NPI Profile Active March 31, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location March 31, 2016

Registered at 16521 ELBE CIR, HUNTINGTON BEACH, CA 926474608 (Tel: 9095282541)

📍
Updated Business Mailing Address March 31, 2016

Registered at 16521 ELBE CIR, HUNTINGTON BEACH, CA 926474608

👤
Provider Name / Credentials Updated March 31, 2016

Recorded as KATHLEEN AU

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 31, 2016

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration March 31, 2016

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1871956441
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 31, 2016
Last Update: December 08, 2025
Sole Proprietor: No

Mailing Address

852 N State St.

Chicago, IL 60610

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.