William Travis Ellison, M.D.
NPI 1548338197ActiveIndividual· Internal Medicine· Greer, SC
Internal Medicine (M.D.) in Greer, South Carolina, trained at Medical University of South Carolina College of Medicine (class of 1977). Their prescriptions cost Medicare Part D more than their services did: $401,254 for 6,020 claims, against $102,291 paid for services in 2024. Novo Nordisk Inc was the largest of 15 companies reporting payments in 2025, $456.83 in all, mostly food and beverage.
Overview
| NPI | 1548338197 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 1, 2006 |
| Last updated in NPPES | Dec 28, 2020 |
| Certified by provider | Dec 28, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 100795 | SC |
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 - Internal Medicine (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 266 |
|---|---|
| Services billed | 2,003 across 33 procedure codes |
| Paid by Medicare | $102,291 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,020 · 14,883 30-day fills |
|---|---|
| Patients | 412 |
| Total drug cost | $401,254 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Medical University of South Carolina College of Medicine |
|---|---|
| Graduation year | 1977 |
| Medicare specialty | Internal Medicine |
Medical group
- Spartanburg Medical CenterSpartanburg, SC · 1,078 clinicians
Hospital affiliations
- Pelham Medical CenterGreer, SC
- Prisma Health Patewood HospitalGreenville, SC
- Prisma Health Greer Memorial HospitalSpartanburg, SC
- Spartanburg Medical CenterSpartanburg, SC
Industry payments (Open Payments)
- 2025$456.83 · 27 payments from 15 companies
- 2024$625.90 · 33 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $101.19 | 6 |
| Novartis Pharmaceuticals Corporation | $52.45 | 3 |
| Amgen Inc. | $43.75 | 3 |
| Bayer Healthcare Pharmaceuticals Inc. | $42.98 | 3 |
| Abbvie Inc. | $33.04 | 2 |
What the 2025 payments were for
- Food and Beverage$456.83 · 27 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 32 internal medicine physicians in Greer · All internal medicine physicians in South Carolina