Sandra Vaughn, NP
NPI 1073693206ActiveIndividual· Nurse Practitioner· Knoxville, TN
Nurse Practitioner (NP) with Knoxville Dermatology Group PC, practicing in Knoxville, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $1,273,805 for 1,689 claims, against $108,749 paid for services in 2024. Janssen Biotech, Inc. was the largest of 14 companies reporting payments in 2025, $1,431 in all, mostly food and beverage.
Overview
| NPI | 1073693206 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Oct 16, 2006 |
| Last updated in NPPES | Apr 2, 2026 |
| Certified by provider | Apr 2, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | APN12432 | 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 | 702 |
|---|---|
| Services billed | 3,256 across 49 procedure codes |
| Paid by Medicare | $108,749 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,689 · 1,904 30-day fills |
|---|---|
| Patients | 559 |
| Total drug cost | $1,273,805 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Knoxville Dermatology Group PCKnoxville, TN · 30 clinicians
Industry payments (Open Payments)
- 2025$1,431 · 75 payments from 14 companies
- 2024$1,878 · 107 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $351.79 | 19 |
| Ucb, Inc. | $259.17 | 13 |
| Novartis Pharmaceuticals Corporation | $182.34 | 6 |
| Abbvie Inc. | $171.24 | 16 |
| Lilly USA, LLC | $123.26 | 6 |
What the 2025 payments were for
- Food and Beverage$1,431 · 75 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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