NPPES file of Aug 9, 2026

Cassandra Anne Koutnik, O.D.

Optometrist · Chicago, IL

Cassandra Anne Koutnik, O.D. is an optometrist with a practice address in Chicago, Illinois, and NPI 1093190019, issued on Jul 21, 2015. Check the license (Illinois 046.010904, 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 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093190019
Name
Cassandra Anne Koutnik
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
046.010904 IL
Self-reported in NPPES; status is on the state search
Practice location
2121 W Division St, Chicago, IL 60622
Phone
(773) 697-7370
Enumerated
Jul 21, 2015
Record last updated
Feb 17, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). 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 2121 W Division St

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

  1. Kelsey FrederickOptometrist1073927562
  2. Renee RussoOptician1699941682

Verify Cassandra Anne Koutnik 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 046.010904    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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The practice group's MIPS final score for 2023 (Medicare payment program): 84.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%45.2
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Cassandra Anne Koutnik among 2,697 optometrist records in Illinois

Cassandra Anne Koutnik, O.D. 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 2015, is newer than 71% of them.

  • NPI issued2015 · 71% of these records are older, 27% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 56% of these records are
  • Record last updated2020 · 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

  1. Michael Binder, O.D.Chicago, IL 606221598738353
  2. Stephanie Corbin, ODChicago, IL 606221124545603
  3. Kelsey FrederickChicago, IL 606221073927562
  4. Julie Klein, O.D.Chicago, IL 606221134675945
  5. David KorsakChicago, IL 606221659940492
  6. Irena Leseiko-Owerko, O.D.Chicago, IL 606221265440374
  7. Chad Millsap, O.D.Chicago, IL 606221477584605
  8. Travis Park, O.D.Chicago, IL 606221689830275

Common questions

What is Cassandra Anne Koutnik, O.D.'s NPI number?

Cassandra Anne Koutnik, O.D.'s National Provider Identifier (NPI) is 1093190019, issued on Jul 21, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Cassandra Anne Koutnik, O.D. located?

The NPPES record lists a practice address at 2121 W Division St, Chicago, IL, 60622. Phone: (773) 697-7370. Providers update this record themselves, so call before visiting.

How can I verify Cassandra Anne Koutnik, O.D.'s license?

NPPES lists Illinois license number 046.010904, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

What is Cassandra Anne Koutnik, O.D.'s MIPS final score?

The 2023 MIPS final score is 84.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.