Vanessa Treps, NP
NPI 1043440316ActiveIndividual· Nurse Practitioner· Naperville, IL
Nurse Practitioner (NP) with Dupage Medical Group Ltd, practicing in Naperville, Illinois. Their prescriptions cost Medicare Part D more than their services did: $14,732 for 206 claims, against $4,957 paid for services in 2024. Mayne Pharma Commercial LLC was the largest of 4 companies reporting payments in 2025, $473.13 in all, mostly food and beverage.
Overview
| NPI | 1043440316 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jul 21, 2009 |
| Last updated in NPPES | Jul 12, 2023 |
| Certified by provider | Jul 12, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 209-007398 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 68 |
|---|---|
| Services billed | 109 across 20 procedure codes |
| Paid by Medicare | $4,957 |
Part D prescriptions in 2024
| Prescriptions (claims) | 206 · 473 30-day fills |
|---|---|
| Patients | 77 |
| Total drug cost | $14,732 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
Industry payments (Open Payments)
- 2025$473.13 · 17 payments from 4 companies
- 2024$291.13 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $347.97 | 12 |
| Astellas Pharma US Inc | $76.52 | 3 |
| Exact Sciences Corporation | $25.58 | 1 |
| Hologic Sales and Service, LLC | $23.06 | 1 |
What the 2025 payments were for
- Food and Beverage$473.13 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 139 nurse practitioners in Naperville · All nurse practitioners in Illinois