Nnamdi Ifeanyi Eze, MD
Internal Medicine, Hematology & Oncology (MD) with Tennessee Oncology PLLC, practicing in Shelbyville, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $3,703,455 for 917 claims, against $2,453,004 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 28 companies reporting payments in 2025, $1,489 in all, mostly food and beverage. Lists Lincoln Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1033370986 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 23, 2008 |
| Last updated in NPPES | Sep 10, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | MD56260 | TN |
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 (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 759 |
|---|---|
| Services billed | 177,175 across 159 procedure codes |
| Paid by Medicare | $2,453,004 |
Part D prescriptions in 2024
| Prescriptions (claims) | 917 · 1,273 30-day fills |
|---|---|
| Patients | 171 |
| Total drug cost | $3,703,455 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
Medical group
- Tennessee Oncology PLLCNashville, TN · 358 clinicians
Hospital affiliations
- Lincoln Medical CenterFayetteville, TN
- Saint Thomas Rutherford HospitalMurfreesboro, TN
- Southern Tennessee Regional Health System WinchestWinchester, TN
- Vanderbilt Bedford HospitalShelbyville, TN
- Vanderbilt Tullahoma-Harton HospitalTullahoma, TN
Industry payments (Open Payments)
- 2025$1,489 · 63 payments from 28 companies
- 2024$1,474 · 60 payments from 31 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $180.89 | 6 |
| Astrazeneca Pharmaceuticals LP | $180.46 | 9 |
| Janssen Biotech, Inc. | $174.63 | 8 |
| Novartis Pharmaceuticals Corporation | $110.62 | 4 |
| Bayer Healthcare Pharmaceuticals Inc. | $110.56 | 4 |
What the 2025 payments were for
- Food and Beverage$1,472 · 62 payments
- Education$17.02 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in Shelbyville
- 1073564761
- 1942594932
- 1992091995
All Internal Medicine, Hematology & Oncology providers in Tennessee →