Matthew Selman Walker, M.D.
NPI 1023336724ActiveIndividual· Family Medicine· Walker, LA
Family Medicine (M.D.) with Our Lady of the Lake Physician Group LLC, practicing in Walker, Louisiana. Their prescriptions cost Medicare Part D more than their services did: $2,004,272 for 13,363 claims, against $72,553 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 23 companies reporting payments in 2025, $1,972 in all, mostly food and beverage. Lists Our Lady of the Lake Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1023336724 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 6, 2010 |
| Last updated in NPPES | May 18, 2021 |
| Certified by provider | May 18, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | MD.205276 | LA |
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 - Family Practice (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 180 |
|---|---|
| Services billed | 1,077 across 41 procedure codes |
| Paid by Medicare | $72,553 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,363 · 28,242 30-day fills |
|---|---|
| Patients | 774 |
| Total drug cost | $2,004,272 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Our Lady of the Lake Physician Group LLCBaton Rouge, LA · 644 clinicians
Hospital affiliation
- Our Lady of the Lake Regional Medical CenterBaton Rouge, LA
Industry payments (Open Payments)
- 2025$1,972 · 109 payments from 23 companies
- 2024$1,876 · 116 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $259.68 | 13 |
| Glaxosmithkline, LLC. | $211.62 | 12 |
| Novo Nordisk Inc | $201.88 | 11 |
| Abbvie Inc. | $190.13 | 11 |
| Axsome Therapeutics, Inc. | $178.14 | 9 |
What the 2025 payments were for
- Food and Beverage$1,972 · 109 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Family Medicine providers in Walker
- 1356538433
- 1942646567
- 1316525595