Dirk C. Davidson, MD
NPI 1659369429ActiveIndividual· Specialist· Crossville, TN
Specialist (MD) in Crossville, Tennessee, trained at Medical University of South Carolina College of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $15,253,733 for 4,457 claims, against $5,049,500 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 44 companies reporting payments in 2025, $3,829 in all, mostly food and beverage.
Overview
| NPI | 1659369429 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 6, 2005 |
| Last updated in NPPES | Dec 28, 2022 |
| Certified by provider | Dec 28, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | MD21772 | 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 - Medical Oncology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 959 |
|---|---|
| Services billed | 249,293 across 130 procedure codes |
| Paid by Medicare | $5,049,500 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,457 · 6,848 30-day fills |
|---|---|
| Patients | 688 |
| Total drug cost | $15,253,733 |
| Generic share | 61% of claims |
Education and affiliations
| Medical school | Medical University of South Carolina College of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology |
Medical group
- Tennessee Plateau Oncology PLLCCrossville, TN · 2 clinicians
Hospital affiliations
- Cookeville Regional Medical CenterCookeville, TN
- Cumberland Medical CenterCrossville, TN
- Methodist Medical Center of Oak RidgeOak Ridge, TN
- Roane Medical CenterHarriman, TN
- University Health System, IncKnoxville, TN
Industry payments (Open Payments)
- 2025$3,829 · 171 payments from 44 companies
- 2024$3,528 · 171 payments from 44 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $302.04 | 11 |
| Pfizer Inc. | $299.16 | 15 |
| Merck Sharp & Dohme LLC | $227.82 | 9 |
| Novartis Pharmaceuticals Corporation | $227.07 | 11 |
| Daiichi Sankyo Inc. | $188.64 | 7 |
What the 2025 payments were for
- Food and Beverage$3,613 · 167 payments
- Education$216.04 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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