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DR. ANNA CZERWINSKI OD
NPI 1639061666
Optometrist in La Grange, IL

Active since July 15, 2025PECOS EnrolledAccepts Medicare Assignment
100 W CALENDAR AVE, LA GRANGE, IL 60525(708) 354-0500 Get Directions Write a Review

NPPES record last updated: April 27, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 27, 2026, Apr 13, 2026 (2 updates tracked since 2026).

About Dr. Anna Czerwinski Od NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANNA CZERWINSKI OD (NPI 1639061666) is an individual optometrist in La Grange, Illinois, licensed in Illinois (046011982) and active in the NPI registry since July 2025. She is enrolled in Medicare PECOS and is a graduate of Illinois College Of Optometry At Chicago (2025).

NPPES Registry Identity

NPI1639061666
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. ANNA CZERWINSKICredential: OD
Location Address100 W CALENDAR AVELa Grange, IL 60525-2325
Mailing Address100 W Calendar AveLa Grange, IL 60525-2325 · (708) 738-5555 · Fax (630) 474-6744
Phone(708) 354-0500
Sole ProprietorNo
Medical School CMSIllinois College Of Optometry At ChicagoGraduated 2025
Enumeration DateJuly 15, 2025
Last NPPES UpdateApril 27, 20262 updates tracked since enumeration
NPPES CertifiedApril 27, 2026
✔ NPI 1639061666 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in IL · 046011982
Definition
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.
100 W CALENDAR AVE, La Grange, IL 60525
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Blue Cross and Blue Shield of Louisiana and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Anna Czerwinski Od is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3870093677
PECOS Enrollment IDI20250826001184
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Anna Czerwinski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rosin Optical Co. Inc.
Same address
Optometrist
100 W CALENDAR AVE
La Grange, IL 60525
  • Reassigned Medicare billing, Illinois enrollment
  • 87 clinicians in this Medicare group
NPI 1861976870 (708) 354-0500
Village Eye Care Ltd
13 mi
Optometrist
1243 S WABASH AVE, UNIT 101
Chicago, IL 60605
  • Reassigned Medicare billing, Illinois enrollment
  • 13 clinicians in this Medicare group
NPI 1477601664 (312) 663-4250

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60525 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MARGARET JANINA SLOWIK OD
Optometrist
100 W CALENDAR AVE
LA GRANGE, IL 60525
Cook County (708) 354-0500
TEAMVISION MSO LLC
Clinic/Center (Ambulatory Surgical)
100 W CALENDAR AVE
LA GRANGE, IL 60525
Cook County (708) 354-0500
ROSIN OPTICAL CO. INC.
Optometrist
100 W CALENDAR AVE
LA GRANGE, IL 60525
Cook County (708) 354-0500

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Anna Czerwinski's NPI number?

The NPI number for Anna Czerwinski is 1639061666. It was assigned to this individual provider in the NPPES registry on July 15, 2025.

Where is Anna Czerwinski located?

Anna Czerwinski practices at 100 W Calendar Ave, La Grange, IL 60525. The listed phone number is (708) 354-0500.

What is Anna Czerwinski's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Anna Czerwinski enrolled in Medicare?

Yes. Anna Czerwinski is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Anna Czerwinski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna Czerwinski reassigns Medicare benefits to 2 organizations: Rosin Optical Co. Inc. (La Grange, IL) and Village Eye Care Ltd (Chicago, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Anna Czerwinski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Anna Czerwinski accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Blue Cross and Blue Shield of Montana and 11 other insurers list Anna Czerwinski as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Anna Czerwinski was last updated on April 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.