Wendy Denise Madison, CNP
NPI 1891166864ActiveIndividual· Nurse Practitioner, Primary Care· Hominy, OK
Nurse Practitioner, Primary Care (CNP) with Stillwater Medical Center Authority, practicing in Hominy, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $72,909 for 1,133 claims, against $11,583 paid for services in 2024. Sanofi-Aventis U.S. LLC was the largest of 2 companies reporting payments in 2025, $142.25 in all, mostly food and beverage. Lists Stillwater Medical Center as a hospital affiliation.
Overview
| NPI | 1891166864 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNP |
| Sole proprietor | No |
| NPI issued | Oct 15, 2015 |
| Last updated in NPPES | Dec 28, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Primary Care Primary | 363LP2300X | 84648 | OK |
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 (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 68 |
|---|---|
| Services billed | 493 across 21 procedure codes |
| Paid by Medicare | $11,583 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,133 · 2,117 30-day fills |
|---|---|
| Patients | 150 |
| Total drug cost | $72,909 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Stillwater Medical Center AuthorityStillwater, OK · 153 clinicians
Hospital affiliation
- Stillwater Medical CenterStillwater, OK
Industry payments (Open Payments)
- 2025$142.25 · 2 payments from 2 companies
- 2024$34.68 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sanofi-Aventis U.S. LLC | $118.64 | 1 |
| Exact Sciences Corporation | $23.61 | 1 |
What the 2025 payments were for
- Food and Beverage$142.25 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records