NPPES file of Aug 9, 2026

Courtney Eve Kornsey, FNP-C

Nurse Practitioner · Naperville, IL

Courtney Eve Kornsey, FNP-C is a nurse practitioner with a practice address in Naperville, Illinois, and NPI 1285263996, issued on Apr 4, 2020. Check the license (Illinois 209.021.101, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285263996
Name
Courtney Eve Kornsey
Credential
FNP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License number
209.021.101 IL
Self-reported in NPPES; status is on the state search
Practice location
2940 Rollingridge RD Ste 201, Naperville, IL 60564
Phone
(630) 967-6000
Enumerated
Apr 4, 2020
Record last updated
Jul 11, 2023
Fax
(630) 428-3971
Medicare enrollment
Enrolled (PECOS I20201117002751); accepts Medicare assignment
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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Also registered at 2940 Rollingridge RD Ste 201

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

  1. Ryan Kuta, DOPain Medicine (Anesthesiology) Physician1851882278

Verify Courtney Eve Kornsey 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 209.021.101
    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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11% more Medicare Part D claims than the average nurse practitioner in 2024

1,227 Medicare Part D claims for 480 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 594 claims were for opioids.

  1. Courtney Kornsey1,227
  2. Specialty average1,109

Most prescribed

  1. Hydrocodone-Acetaminophen293 claims
  2. Gabapentin167 claims
  3. Tramadol Hcl112 claims
  4. Pregabalin83 claims
  5. Methylprednisolone82 claims
  6. Acetaminophen-Codeine68 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $925.75

29 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Courtney Kornsey$925.75
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Dupage Medical Group LtdNaperville, IL

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

Courtney Eve Kornsey among 4,892 nurse practitioner records in Illinois

Courtney Eve Kornsey, FNP-C is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 61% of them.

  • NPI issued2020 · 61% of these records are older, 33% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2019 · median 2018 among the 3,389 with a school on file
  • Record last updated2023 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

122 nurse practitioner records list a practice address in Naperville

They are 122 of the 4,634 NPPES records with a practice address in Naperville, and 4,892 nurse practitioner records in Illinois.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Jennifer Chludzinski, APN-CNSNaperville, IL 605641538156567
  2. Tina Doretti, APNNaperville, IL 605641750912770
  3. Amy DusekNaperville, IL 605641669837001
  4. Kimberly Gubbins, APN ,CPNP, IBCLCNaperville, IL 605641659675601
  5. Terri Hannon, APN-CNaperville, IL 605641497965487
  6. Sara Horvath, APN-CNPNaperville, IL 605641871024786
  7. Tara Klaus, APNNaperville, IL 605641609341072
  8. Maria MalanychNaperville, IL 605641841890290

Common questions

What is Courtney Eve Kornsey, FNP-C's NPI number?

Courtney Eve Kornsey, FNP-C's National Provider Identifier (NPI) is 1285263996, issued on Apr 4, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Courtney Eve Kornsey, FNP-C located?

The NPPES record lists a practice address at 2940 Rollingridge RD Ste 201, Naperville, IL, 60564. Phone: (630) 967-6000. Providers update this record themselves, so call before visiting.

How can I verify Courtney Eve Kornsey, FNP-C's license?

NPPES lists Illinois license number 209.021.101, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Courtney Eve Kornsey, FNP-C prescribe under Medicare Part D?

In 2024, Courtney Eve Kornsey, FNP-C had 1,227 Medicare Part D claims for 480 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions 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.