Kathleen Au
Optometrist · Chicago, IL
Kathleen Au is an optometrist with a practice address in Chicago, Illinois, and NPI 1871956441, issued on Mar 31, 2016. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathleen Au
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 33786TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 852 N State St., Chicago, IL 60610
- Phone
- (312) 419-1967
- Enumerated
- Mar 31, 2016
- Record last updated
- Dec 8, 2025
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,697 in Illinois → Look up another NPI →
Verify Kathleen Au in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $1,907.80
15 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Kathleen Au among 2,697 optometrist records in Illinois
Kathleen Au is one of 2,697 optometrist records with a practice address in Illinois. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 73% of them.
- NPI issued2016 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2025 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Illinois
There are 2,697 optometrist records in Illinois.
All 2,697 in Illinois → Every provider in Chicago → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Marvin Aal, O.D.Chicago, IL 606101184634180
- Lauren Barber, ODChicago, IL 606101366125833
- Jullian CerasuoloChicago, IL 606101508424136
- Lindsay Luker, O.D.Chicago, IL 606101336297746
- Nasim Nikoumanesh, O.D.Chicago, IL 606101982852208
- Frank Quintana, O.D.Chicago, IL 606101104601202
- Kristie Barbaro, O.D.Chicago, IL 606111376799288
- Carol Braun, O.D.Chicago, IL 606111093961724
Common questions
What is Kathleen Au's NPI number?
Kathleen Au's National Provider Identifier (NPI) is 1871956441, issued on Mar 31, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Au located?
The NPPES record lists a practice address at 852 N State St., Chicago, IL, 60610. Phone: (312) 419-1967. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Au's license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.