Mackenzie Hamilton
NPI 1477118057ActiveIndividual· Internal Medicine· Christiansburg, VA
Internal Medicine with Carilion Medical Center and 2 other groups, practicing in Christiansburg, Virginia. Their prescriptions cost Medicare Part D more than their services did: $57,060 for 578 claims, against $6,094 paid for services in 2024. Abiomed was the largest of 17 companies reporting payments in 2025, $2,331 in all, mostly food and beverage. Lists Carilion New River Valley Medical Center as a hospital affiliation.
Overview
| NPI | 1477118057 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | May 8, 2019 |
| Last updated in NPPES | Jun 18, 2026 |
| Certified by provider | Jun 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 0102209147 | VA |
| Internal Medicine | 207R00000X | 05560 | KY |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 0102209147 | VA |
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 (KY); Practitioner - Internal Medicine (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 64 |
|---|---|
| Services billed | 93 across 8 procedure codes |
| Paid by Medicare | $6,094 |
Part D prescriptions in 2024
| Prescriptions (claims) | 578 · 1,293 30-day fills |
|---|---|
| Patients | 119 |
| Total drug cost | $57,060 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Carilion Medical CenterRoanoke, VA · 977 clinicians
- Centra Medical Group LLCLynchburg, VA · 724 clinicians
- Carilion Healthcare CorporationPearisburg, VA · 536 clinicians
Hospital affiliation
- Carilion New River Valley Medical CenterChristiansburg, VA
Industry payments (Open Payments)
- 2025$2,331 · 41 payments from 17 companies
- 2024$5,962 · 82 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abiomed | $389.75 | 7 |
| Boston Scientific Corporation | $302.78 | 5 |
| Shockwave Medical, Inc | $254.76 | 2 |
| Stryker Corporation | $231.26 | 1 |
| Medtronic, Inc. | $172.71 | 2 |
What the 2025 payments were for
- Food and Beverage$2,331 · 41 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 32 internal medicine physicians in Christiansburg · All internal medicine physicians in Virginia