Felicia S. Wassenaar, NP
NPI 1851067649ActiveIndividual· Nurse Practitioner, Acute Care· Knoxville, TN
Nurse Practitioner, Acute Care (NP) with University Health System, Inc., practicing in Knoxville, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $103,437 for 469 claims, against $49,762 paid for services in 2024. Amgen Inc. was the largest of 10 companies reporting payments in 2025, $558.27 in all, mostly food and beverage. Lists University Health System, Inc as a hospital affiliation.
Overview
| NPI | 1851067649 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Aug 20, 2021 |
| Last updated in NPPES | Mar 22, 2023 |
| Certified by provider | Mar 22, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 32981 | TN |
| Nurse Practitioner | 363L00000X | 32981 | TN |
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 (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 376 |
|---|---|
| Services billed | 1,523 across 25 procedure codes |
| Paid by Medicare | $49,762 |
Part D prescriptions in 2024
| Prescriptions (claims) | 469 · 1,042 30-day fills |
|---|---|
| Patients | 147 |
| Total drug cost | $103,437 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- University Health System, Inc.Knoxville, TN · 522 clinicians
Hospital affiliation
- University Health System, IncKnoxville, TN
Industry payments (Open Payments)
- 2025$558.27 · 28 payments from 10 companies
- 2024$958.47 · 50 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $178.10 | 8 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $96.56 | 6 |
| Atricure, Inc. | $88.94 | 5 |
| Scpharmaceuticals Inc. | $43.12 | 2 |
| Inspire Medical Systems, Inc. | $35.23 | 1 |
What the 2025 payments were for
- Food and Beverage$558.27 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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