Avrey Thau, MD
Ophthalmology (CMS) · Chicago, IL
At a glance
4445 W Irving Park Rd Ste 330, Chicago, IL 60641-2808
Published activity: Cataract surgery. View counts and coverage
NPPES record updated Sep 22, 2024. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
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Check the official Medicare directory ↗Practice location
4445 W Irving Park Rd Ste 330Chicago, IL 60641-2808
Additional reported practice locations
2115 Leiter RdMiamisburg, OH 453423600
Phone: 9373846800
Fax: 9373846938 1160 W Michigan St
Indianapolis, IN 462025209
Phone: 3179442020 645 N Michigan Ave Ste 440
Chicago, IL 606115899
Phone: 3125033649 259 E Erie St Ste 1520
Chicago, IL 606113111
Phone: 3126958150
Fax: 3126953652
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2019
- CMS specialties
- Ophthalmology
Practice groups
Reported hospital affiliations
- Northwestern Memorial Hospital Chicago, IL
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Cataract surgery | 52 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $139.98 |
Reporting companies
| Company | Amount |
|---|---|
| ALCON VISION LLC | $139.98 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Ophthalmology (CMS)
- Taxonomy code
- 207WX0120X
- Enumeration date
- Mar 19, 2019
- Record updated
- Sep 22, 2024
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207WX0120X · Primary
License reported: 036164051 IL
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
4445 W Irving Park Rd Ste 330Chicago, IL 60641-2808
- Phone
- (312) 695-8150
- Fax
- (312) 921-0385
Mailing address
259 E ERIE ST STE 1520CHICAGO, IL 606113111
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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