NPPES file of Aug 9, 2026

Vanessa Treps, NP

Nurse Practitioner · Naperville, IL

Vanessa Treps, NP is a nurse practitioner with a practice address in Naperville, Illinois, and NPI 1043440316, issued on Jul 21, 2009. Check the license (Illinois 209-007398, 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
1043440316
Name
Vanessa Treps
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
209-007398 IL
Self-reported in NPPES; status is on the state search
Practice location
120 Spalding Dr Ste 309, Naperville, IL 60540
Phone
(630) 432-6890
Enumerated
Jul 21, 2009
Record last updated
Jul 12, 2023
Fax
(630) 718-2650
Medicare enrollment
Enrolled (PECOS I20160224002717); 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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8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →

Also registered at 120 Spalding Dr Ste 309

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

  1. Judith Bressler, M.D.Obstetrics & Gynecology Physician1194726547
  2. Bridget Frangella, MDObstetrics & Gynecology Physician1972578375
  3. Melinda George, MDObstetrics & Gynecology Physician1619469400
  4. Scott Kagan, MDObstetrics & Gynecology Physician1346216595
  5. Masue Li, MDHospitalist Physician1730287376
  6. Joseph Martin, MDHospitalist Physician1912974262

Verify Vanessa Treps 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 209-007398    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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81% fewer Medicare Part D claims than the average nurse practitioner in 2024

206 Medicare Part D claims for 77 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Vanessa Treps206
  2. Specialty average1,109

Most prescribed

  1. Estradiol83 claims
  2. Estradiol (Twice Weekly)23 claims
  3. Progesterone21 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: $291.13

8 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. 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. Vanessa Treps$291.13
  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).

Vanessa Treps among 4,892 nurse practitioner records in Illinois

Vanessa Treps, NP 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 2009, is newer than 17% of them.

  • NPI issued2009 · 17% of these records are older, 82% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2002 · 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.

All 4,892 in Illinois → Every provider in Naperville → Nurse Practitioner nationwide →

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 Vanessa Treps, NP's NPI number?

Vanessa Treps, NP's National Provider Identifier (NPI) is 1043440316, issued on Jul 21, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Vanessa Treps, NP located?

The NPPES record lists a practice address at 120 Spalding Dr Ste 309, Naperville, IL, 60540. Phone: (630) 432-6890. Providers update this record themselves, so call before visiting.

How can I verify Vanessa Treps, NP's license?

NPPES lists Illinois license number 209-007398, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Vanessa Treps, NP prescribe under Medicare Part D?

In 2024, Vanessa Treps, NP had 206 Medicare Part D claims for 77 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.

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.