Individual provider Active NPI

Kathleen Au

  • Optometrist
  • Chicago, IL
National Provider Identifier
1871956441
Registry record updated Dec 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
OptometristTaxonomy code 152W00000X
License
33786TLG Issued in CA
Practice address
852 N State St.
Chicago, IL 60610
Phone
(312) 419-1967
NPI assigned
Mar 31, 2016
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 8, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Optometrist 152W00000X 33786TLG CA Primary

Addresses

Primary practice location

852 N State St.
Chicago, IL 60610

Mailing address

852 N State St.
Chicago, IL 60610

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
33786TLGCAMDOptometrist

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1459382400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765152000000",
    "number": "1871956441",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "852 N STATE ST.",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "60610"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "852 N STATE ST.",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "60610",
            "telephone_number": "312-419-1967"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "AU",
        "first_name": "KATHLEEN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-03-31",
        "last_updated": "2025-12-08",
        "certification_date": "2025-12-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CA",
            "license": "33786TLG",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 8, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.