Nancy W. Peacock, MD
NPI 1194751354ActiveIndividual· Internal Medicine, Medical Oncology· Nashville, TN
Internal Medicine, Medical Oncology (MD) in Nashville, Tennessee, trained at University of Missouri, Columbia School of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $4,593,790 for 1,425 claims, against $1,477,981 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 10 companies reporting payments in 2025, $670.41 in all, mostly food and beverage.
Overview
| NPI | 1194751354 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 22, 2006 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 27303 | 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 - Medical Oncology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 456 |
|---|---|
| Services billed | 84,010 across 167 procedure codes |
| Paid by Medicare | $1,477,981 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,425 · 2,565 30-day fills |
|---|---|
| Patients | 265 |
| Total drug cost | $4,593,790 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | University of Missouri, Columbia School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Medical Oncology |
Medical group
- Tennessee Oncology PLLCNashville, TN · 358 clinicians
Hospital affiliation
- Ascension Saint Thomas HospitalNashville, TN
Industry payments (Open Payments)
- 2025$670.41 · 27 payments from 10 companies
- 2024$508.75 · 19 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $251.64 | 11 |
| Merck Sharp & Dohme LLC | $149.46 | 5 |
| Daiichi Sankyo Inc. | $75.03 | 3 |
| Abbvie Inc. | $47.01 | 2 |
| Eisai Inc. | $29.39 | 1 |
What the 2025 payments were for
- Food and Beverage$670.41 · 27 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 54 medical oncologists in Nashville · All medical oncologists in Tennessee