NPPES file of Aug 9, 2026

Cynthia Cossyleon

Nurse Practitioner · Aurora, IL

Cynthia Cossyleon is a nurse practitioner with a practice address in Aurora, Illinois, and NPI 1417602293, issued on Feb 19, 2022. Check the license (Illinois 209024638, 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
1417602293
Name
Cynthia Cossyleon
Primary taxonomy
Nurse Practitioner 363L00000X
License number
209024638 IL
Self-reported in NPPES; status is on the state search
Practice location
400 N Highland Ave, Aurora, IL 60506
Phone
(630) 473-8925
Enumerated
Feb 19, 2022
Record last updated
Feb 19, 2022
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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Also registered at 400 N Highland Ave

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

  1. Bayan AbunarObstetrics & Gynecology Physician1972063220
  2. Alyssa Aguilar, FNP-CFamily Nurse Practitioner1174208987
  3. Angelos Alexander, D.O.Obstetrics & Gynecology Physician1265425953
  4. Patricia Antonelli, RD, LDN, CDERegistered Dietitian1114012184
  5. Praveena AryaObstetrics & Gynecology Physician1790166239
  6. Sarah Barber, CPNP-PCPediatric Nurse Practitioner1851991061

Verify Cynthia Cossyleon 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 209024638
    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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52% fewer Medicare Part D claims than the average nurse practitioner in 2024

533 Medicare Part D claims for 106 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.

  1. Cynthia Cossyleon533
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium55 claims
  2. Metformin Hcl49 claims
  3. Lisinopril33 claims
  4. Losartan Potassium23 claims
  5. Trulicity17 claims
  6. Levothyroxine Sodium16 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: $384.69

3 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences 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. Cynthia Cossyleon$384.69
  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.

Cynthia Cossyleon among 4,892 nurse practitioner records in Illinois

Cynthia Cossyleon 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 2022, is newer than 73% of them.

  • NPI issued2022 · 73% of these records are older, 20% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2022 · 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).

53 nurse practitioner records list a practice address in Aurora

They are 53 of the 3,342 NPPES records with a practice address in Aurora, and 4,892 nurse practitioner records in Illinois.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Maria Arzadon-Mercado, RN, MS, FNPAurora, IL 605061356448872
  2. Wendy Bingham, A.P.NAurora, IL 605061871830083
  3. Lisa Carani, N.P.Aurora, IL 605061982816831
  4. Sarah Cauldwell Bratt, APNAurora, IL 605061497917470
  5. Paula Cibulskis, APN,CNPAurora, IL 605061710046024
  6. Terry Digate, N.P.Aurora, IL 605061710194584
  7. James Erl, N.P.Aurora, IL 605061982787289
  8. Joann Hofer, APN, CNPAurora, IL 605061265590913

Common questions

What is Cynthia Cossyleon's NPI number?

Cynthia Cossyleon's National Provider Identifier (NPI) is 1417602293, issued on Feb 19, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Cynthia Cossyleon located?

The NPPES record lists a practice address at 400 N Highland Ave, Aurora, IL, 60506. Phone: (630) 473-8925. Providers update this record themselves, so call before visiting.

How can I verify Cynthia Cossyleon's license?

NPPES lists Illinois license number 209024638, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Cynthia Cossyleon prescribe under Medicare Part D?

In 2024, Cynthia Cossyleon had 533 Medicare Part D claims for 106 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.