Luke Walker, MD
NPI 1790196566ActiveIndividual· Internal Medicine· Perry, GA
Internal Medicine (MD) with Cogent Healthcare of Macon, LLC and 1 other group, practicing in Perry, Georgia. Their prescriptions cost Medicare Part D more than their services did: $247,834 for 2,298 claims, against $80,724 paid for services in 2024. Boston Scientific Corporation reported $16.03 in payments in 2025, mostly food and beverage. Lists Atrium Health Navicent the Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1790196566 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 15, 2014 |
| Last updated in NPPES | Aug 18, 2025 |
| Certified by provider | Aug 18, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 78595 | GA |
| Hospitalist | 208M00000X | 78595 | GA |
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 - General Practice (GA); Practitioner - Internal Medicine (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 336 |
|---|---|
| Services billed | 1,068 across 18 procedure codes |
| Paid by Medicare | $80,724 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,298 · 5,004 30-day fills |
|---|---|
| Patients | 407 |
| Total drug cost | $247,834 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Cogent Healthcare of Macon, LLCMacon, GA · 79 clinicians
- Dmc Physician Group LLCFitzgerald, GA · 22 clinicians
Hospital affiliations
- Atrium Health Navicent the Medical CenterMacon, GA
- Dorminy Medical CenterFitzgerald, GA
- Emory Houston Hospital Warner RobinsWarner Robins, GA
- Northside HospitalAtlanta, GA
Other facilities
- Enhabit Home HealthHome health agency · Macon, GA
Industry payments (Open Payments)
- 2025$16.03 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $16.03 | 1 |
What the 2025 payments were for
- Food and Beverage$16.03 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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