NPPES file of Aug 9, 2026

Kirsti Rose Willis, APN

Nurse Practitioner · Naperville, IL

Kirsti Rose Willis, APN is a nurse practitioner with a practice address in Naperville, Illinois, and NPI 1023670247, issued on Jul 9, 2019. Check the license (Illinois 209018126, 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
1023670247
Name
Kirsti Rose Willis
Credential
APN
Primary taxonomy
Nurse Practitioner 363L00000X
License number
209018126 IL
Self-reported in NPPES; status is on the state search
Practice location
801 S Washington St, Naperville, IL 60540
Phone
(630) 527-3000
Enumerated
Jul 9, 2019
Record last updated
Dec 2, 2025
Medicare enrollment
Enrolled (PECOS I20190910001283); 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 801 S Washington St

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

  1. Sean Adams, M.D.Anesthesiology Physician1598713661
  2. Saroosh Ahmed, MDEmergency Medicine Physician1639335078
  3. Faisal Akbari, M.DHospitalist Physician1740598705
  4. Catherine AlerNurse Practitioner1134584964
  5. Irfan Ali, DOHospitalist Physician1306427760
  6. Sivani Aluru, MDObstetrics & Gynecology Physician1275156325

Verify Kirsti Rose Willis 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 209018126
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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66% fewer Medicare Part D claims than the average nurse practitioner in 2024

374 Medicare Part D claims for 211 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 56 claims were for opioids.

  1. Kirsti Willis374
  2. Specialty average1,109

Most prescribed

  1. Cyclobenzaprine Hcl48 claims
  2. Ibuprofen42 claims
  3. Hydrocodone-Acetaminophen32 claims
  4. Methylprednisolone27 claims
  5. Ondansetron Odt25 claims
  6. Cephalexin23 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.

3 hospitals and group practices

  1. Edward HospitalNaperville, IL · Acute Care Hospitals3 of 5 stars
  2. Central Dupage Emergency Physicians PCWinfield, IL
  3. Endeavor Health Medical GroupNaperville, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Kirsti Rose Willis among 4,892 nurse practitioner records in Illinois

Kirsti Rose Willis, APN 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 2019, is newer than 54% of them.

  • NPI issued2019 · 54% of these records are older, 39% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2018 · median 2018 among the 3,389 with a school on file
  • Record last updated2025 · 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. Rosemarie Batiste, APN-CNPNaperville, IL 605401245434851
  2. Kathi Corral, ARNPNaperville, IL 605401891943007
  3. Caren Corrigan, APRNNaperville, IL 605401225365794
  4. Sandra Davis, APN-CNPNaperville, IL 605401982762720
  5. Mary Digate, APNNaperville, IL 605401356352512
  6. Lauren Fleps, APN, ANP-BCNaperville, IL 605401720210107
  7. Elizabeth Gall, APN-CNPNaperville, IL 605401689761017
  8. Christine Hopkins, APN-CNPNaperville, IL 605401144481946

Common questions

What is Kirsti Rose Willis, APN's NPI number?

Kirsti Rose Willis, APN's National Provider Identifier (NPI) is 1023670247, issued on Jul 9, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Kirsti Rose Willis, APN located?

The NPPES record lists a practice address at 801 S Washington St, Naperville, IL, 60540. Phone: (630) 527-3000. Providers update this record themselves, so call before visiting.

How can I verify Kirsti Rose Willis, APN's license?

NPPES lists Illinois license number 209018126, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Kirsti Rose Willis, APN prescribe under Medicare Part D?

In 2024, Kirsti Rose Willis, APN had 374 Medicare Part D claims for 211 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.