William Jeffery Edenfield, MD
NPI 1851396295ActiveIndividual· Internal Medicine, Medical Oncology· Greenville, SC
Internal Medicine, Medical Oncology (MD) in Greenville, South Carolina, trained at University of Miami, Lm Miller School of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $1,225,918 for 886 claims, against $47,201 paid for services in 2024. Gilead Sciences, Inc. was the largest of 10 companies reporting payments in 2025, $504.80 in all, mostly food and beverage.
Overview
| NPI | 1851396295 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 14, 2005 |
| Last updated in NPPES | Aug 21, 2026 |
| Certified by provider | Aug 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 23721 | SC |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 23721 | SC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 305 |
|---|---|
| Services billed | 1,202 across 9 procedure codes |
| Paid by Medicare | $47,201 |
Part D prescriptions in 2024
| Prescriptions (claims) | 886 · 1,638 30-day fills |
|---|---|
| Patients | 186 |
| Total drug cost | $1,225,918 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Miami, Lm Miller School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
Medical group
- Prisma Health University Medical GroupGreenville, SC · 2,493 clinicians
Hospital affiliations
- Prisma Health Patewood HospitalGreenville, SC
- Prisma Health Baptist Easley HospitalEasley, SC
- Prisma Health Greenville Memorial HospitalGreenville, SC
- Prisma Health Hillcrest HospitalSimpsonville, SC
- St Francis-DowntownGreenville, SC
Other facilities
- Prisma Health North Greenville LtachLong-term care hospital · Travelers Rest, SC
Industry payments (Open Payments)
- 2025$504.80 · 14 payments from 10 companies
- 2024$728.80 · 15 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $155.47 | 2 |
| Beone Medicines USA, Inc. | $138.20 | 2 |
| Abbvie Inc. | $51.02 | 2 |
| Pfizer Inc. | $41.16 | 2 |
| Medtronic, Inc. | $23.46 | 1 |
What the 2025 payments were for
- Food and Beverage$504.80 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Medical Oncology providers in Greenville
- 1992298236
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- 1518132570
All Internal Medicine, Medical Oncology providers in South Carolina →