NPPES file of Aug 9, 2026

Courtney Ilundain, APN

Pediatric Nurse Practitioner · Chicago, IL

Courtney Ilundain, APN is a pediatric nurse practitioner with a practice address in Chicago, Illinois, and NPI 1881338705, issued on Apr 26, 2022. Check the license (Illinois 209026212, 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
1881338705
Name
Courtney Ilundain
Credential
APN
Primary taxonomy
Pediatric Nurse Practitioner 363LP0200X
License numbers
209026212 IL
041431635 IL
Self-reported in NPPES; status is on the state search
Practice location
4254 W 55TH St, Chicago, IL 60632
Phone
(773) 582-5200
Enumerated
Apr 26, 2022
Record last updated
Aug 8, 2023
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 pediatric nurse practitioner records → All 687 in Illinois → Look up another NPI →

Also registered at 4254 W 55TH St

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

  1. Patricia Arroyo, MDPediatrics Physician1972662419
  2. Mariaelena Fagadore, CNPPediatric Nurse Practitioner1861490138
  3. Mary GrassoPediatric Nurse Practitioner1437748852
  4. Thomas Grudowski, RPHPharmacist1063577963
  5. Elizabeth LattyakPharmacist1649984600
  6. Lauren Meyers, CPNPPediatric Nurse Practitioner1417303413

Verify Courtney Ilundain 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 209026212    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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Industry payments in 2024: $27.35

1 payment: food and beverage; the largest payer was Sanofi Pasteur Inc. The 7,169 providers of this specialty with any payment received $330.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Courtney Ilundain$27.35
  2. Specialty average$330.95

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

Courtney Ilundain among 687 pediatric nurse practitioner records in Illinois

Courtney Ilundain, APN is one of 687 pediatric nurse practitioner records with a practice address in Illinois. 32% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 78% of them.

  • NPI issued2022 · 78% of these records are older, 16% newer
  • In a Medicare fileYes · 32% of these records are
  • In the CMS Doctors and Clinicians fileNo · 6% of these records are
  • Record last updated2023 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Nurse Practitioner providers in Illinois

There are 687 pediatric nurse practitioner records in Illinois.

All 687 in Illinois → Every provider in Chicago → Pediatric Nurse Practitioner nationwide →

The 8 pediatric nurse practitioner records with the nearest ZIP codes

  1. Mariaelena Fagadore, CNPChicago, IL 606321861490138
  2. Mary GrassoChicago, IL 606321437748852
  3. Caleigh Lofstead, CPNP-PCChicago, IL 606321083339162
  4. Meredith Magulak, APNChicago, IL 606321700329299
  5. Lauren Meyers, CPNPChicago, IL 606321417303413
  6. Elizabeth Diaz, MDChicago, IL 606311013004639
  7. Nicole Koenen, CPNP-PCChicago, IL 606311134643661
  8. Cathy Alvarez, CPNPChicago, IL 606341649426792

Common questions

What is Courtney Ilundain, APN's NPI number?

Courtney Ilundain, APN's National Provider Identifier (NPI) is 1881338705, issued on Apr 26, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Courtney Ilundain, APN located?

The NPPES record lists a practice address at 4254 W 55TH St, Chicago, IL, 60632. Phone: (773) 582-5200. Providers update this record themselves, so call before visiting.

How can I verify Courtney Ilundain, APN's license?

NPPES lists Illinois license number 209026212, 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.