Dena Charles, NP
NPI 1124883848ActiveIndividual· Nurse Practitioner, Family· Knoxville, TN
Nurse Practitioner, Family (NP) with University Health System, Inc. and 1 other group, practicing in Knoxville, Tennessee. Mostly services rather than prescriptions: Medicare paid $4,521 for 33 patients in 2024, with only 46 Part D claims. Tetraphase Pharmaceuticals, Inc. was the largest of 9 companies reporting payments in 2025, $327.15 in all, mostly food and beverage. Lists Fort Loudoun Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1124883848 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Feb 21, 2024 |
| Last updated in NPPES | Oct 23, 2025 |
| Certified by provider | Oct 23, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 35446 | 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 | 33 |
|---|---|
| Services billed | 58 across 7 procedure codes |
| Paid by Medicare | $4,521 |
Part D prescriptions in 2024
| Prescriptions (claims) | 46 · 46 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $1,737 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- University Health System, Inc.Knoxville, TN · 522 clinicians
- Covenant Medical Group IncKnoxville, TN · 365 clinicians
Hospital affiliations
- Fort Loudoun Medical CenterLenoir City, TN
- Parkwest Medical CenterKnoxville, TN
Industry payments (Open Payments)
- 2025$327.15 · 13 payments from 9 companies
- 2024$265.14 · 13 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tetraphase Pharmaceuticals, Inc. | $64.20 | 2 |
| Baxter Healthcare | $61.99 | 2 |
| Acera Surgical, Inc. | $42.07 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $37.50 | 2 |
| Genentech, Inc. | $32.38 | 1 |
What the 2025 payments were for
- Food and Beverage$327.15 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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