NPPES file of Aug 9, 2026

Anna Czerwinski, OD

Optometrist · La Grange, IL

Anna Czerwinski, OD is an optometrist with a practice address in La Grange, Illinois, and NPI 1639061666, issued on Jul 15, 2025. Check the license (Illinois 046011982, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639061666
Name
Anna Czerwinski
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
046011982 IL
Self-reported in NPPES; status is on the state search
Practice location
100 W Calendar Ave, La Grange, IL 60525
Phone
(708) 354-0500
Enumerated
Jul 15, 2025
Record last updated
Apr 27, 2026
Medicare enrollment
Enrolled (PECOS I20250826001184); accepts Medicare assignment
Medical or professional school
Illinois College Of Optometry At Chicago, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest optometrist records → All 2,697 in Illinois → Look up another NPI →

Also registered at 100 W Calendar Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Margaret Slowik, ODOptometrist1124222591

Verify Anna Czerwinski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 046011982    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

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Bills Medicare through 2 group practices

  1. Rosin Optical CO IncLa Grange, IL
  2. Village Eye Care LtdChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Anna Czerwinski among 2,697 optometrist records in Illinois

Anna Czerwinski, OD 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 2025, is newer than 96% of them.

  • NPI issued2025 · 96% of these records are older, 2% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2025 · median 2008 among the 1,513 with a school on file
  • Record last updated2026 · 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).

9 optometrist records list a practice address in La Grange

They are 9 of the 511 NPPES records with a practice address in La Grange, and 2,697 optometrist records in Illinois.

All 2,697 in Illinois → Every provider in La Grange → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. John Anderson, O.D.La Grange, IL 605251164550596
  2. Elizabeth Casper, ODLa Grange, IL 605251467127688
  3. Jennifer GeertzHodgkins, IL 605251467460105
  4. Jennifer Gula, O.D.La Grange, IL 605251912161480
  5. Cecilia Heiges, O.D.La Grange, IL 605251518067693
  6. Kerry John, ODLa Grange, IL 605251891788212
  7. Carolyn Newcome-Sparks, O.D.La Grange, IL 605251477523504
  8. Samir Patel, O.D.Countryside, IL 605251841334273

Common questions

What is Anna Czerwinski, OD's NPI number?

Anna Czerwinski, OD's National Provider Identifier (NPI) is 1639061666, issued on Jul 15, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Anna Czerwinski, OD located?

The NPPES record lists a practice address at 100 W Calendar Ave, La Grange, IL, 60525. Phone: (708) 354-0500. Providers update this record themselves, so call before visiting.

How can I verify Anna Czerwinski, OD's license?

NPPES lists Illinois license number 046011982, as entered by the provider. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.