Flint Robert Walker, D.O.
NPI 1215356894ActiveIndividual· Family Medicine· Hilton Head, SC
Family Medicine (D.O.) with Mayes Internal Medicine LLC, practicing in Hilton Head, South Carolina. Their prescriptions cost Medicare Part D more than their services did: $820,584 for 6,132 claims, against $227,629 paid for services in 2024. Novo Nordisk Inc was the largest of 5 companies reporting payments in 2025, $210.18 in all, mostly food and beverage. Lists Beaufort County Memorial Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1215356894 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Apr 10, 2014 |
| Last updated in NPPES | Oct 4, 2023 |
| Certified by provider | Oct 3, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 0102204717 | VA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | 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 - Family Practice (DC); Practitioner - Family Practice (SC); Practitioner - Family Practice (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 401 |
|---|---|
| Services billed | 3,045 across 51 procedure codes |
| Paid by Medicare | $227,629 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,132 · 14,161 30-day fills |
|---|---|
| Patients | 577 |
| Total drug cost | $820,584 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Mayes Internal Medicine LLCHilton Head, SC · 3 clinicians
Hospital affiliations
- Beaufort County Memorial HospitalBeaufort, SC
- Coastal Carolina HospitalHardeeville, SC
- Novant Health Hilton Head Medical CenterHilton Head Island, SC
Other facilities
- Amedisys Home Health of BlufftonHome health agency · Bluffton, SC
- Centerwell Home HealthHome health agency · Walterboro, SC
- Broad Creek Care CenterNursing home · Hilton Head Island, SC
Industry payments (Open Payments)
- 2025$210.18 · 9 payments from 5 companies
- 2024$192.11 · 9 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $62.75 | 3 |
| Pfizer Inc. | $51.09 | 2 |
| Seqirus USA Inc | $51.06 | 2 |
| Novartis Pharmaceuticals Corporation | $27.39 | 1 |
| Currax Pharmaceuticals LLC | $17.89 | 1 |
What the 2025 payments were for
- Food and Beverage$210.18 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 family medicine physicians in Hilton Head · All family medicine physicians in South Carolina