Marion Witt Thomas, MSN, RN, FNP-C
NPI 1821720715ActiveIndividual· Nurse Practitioner· Salem, VA
Nurse Practitioner (MSN, RN, FNP-C) with Blacksburg Neurology PC, practicing in Salem, Virginia. Their prescriptions cost Medicare Part D more than their services did: $290,973 for 1,129 claims, against $10,035 paid for services in 2024. Emd Serono, Inc. was the largest of 9 companies reporting payments in 2025, $876.00 in all, mostly food and beverage. Lists Carilion Medical Center as a hospital affiliation.
Overview
| NPI | 1821720715 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MSN, RN, FNP-C |
| Sole proprietor | No |
| NPI issued | Jun 29, 2022 |
| Last updated in NPPES | Oct 7, 2026 |
| Certified by provider | Oct 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 0024184546 | VA |
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 (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 89 |
|---|---|
| Services billed | 196 across 12 procedure codes |
| Paid by Medicare | $10,035 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,129 · 1,827 30-day fills |
|---|---|
| Patients | 227 |
| Total drug cost | $290,973 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Blacksburg Neurology PCSalem, VA · 5 clinicians
Hospital affiliation
- Carilion Medical CenterRoanoke, VA
Industry payments (Open Payments)
- 2025$876.00 · 20 payments from 9 companies
- 2024$290.45 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Emd Serono, Inc. | $486.15 | 7 |
| Tg Therapeutics, Inc. | $176.58 | 3 |
| Celgene Corporation | $63.50 | 3 |
| Novartis Pharmaceuticals Corporation | $49.81 | 2 |
| Alexion Pharmaceuticals, Inc. | $26.86 | 1 |
What the 2025 payments were for
- Food and Beverage$818.02 · 19 payments
- Education$57.98 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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