Luke Stewart Wallis, MD
NPI 1144724717ActiveIndividual· Dermatology· Longview, TX
Dermatology (MD) in Longview, Texas, trained at University of Texas Medical School at San Antonio (class of 2018). 671 Medicare patients in 2024, $1,469,811 paid; nearly all of their 988 Part D prescriptions were generic (93%). Genzyme Corporation was the largest of 17 companies reporting payments in 2025, $2,777 in all, mostly food and beverage.
Overview
| NPI | 1144724717 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 20, 2018 |
| Last updated in NPPES | Jun 1, 2023 |
| Certified by provider | Jun 1, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 1144724717 | TX |
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 - Dermatology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 671 |
|---|---|
| Services billed | 10,828 across 100 procedure codes |
| Paid by Medicare | $1,469,811 |
Part D prescriptions in 2024
| Prescriptions (claims) | 988 · 1,073 30-day fills |
|---|---|
| Patients | 486 |
| Total drug cost | $579,025 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at San Antonio |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Dermatology |
Medical group
- Wallis Dermatology Associates PLLCMarshall, TX · 12 clinicians
Industry payments (Open Payments)
- 2025$2,777 · 142 payments from 17 companies
- 2024$2,040 · 111 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $430.92 | 17 |
| Abbvie Inc. | $399.53 | 29 |
| Regeneron Healthcare Solutions, Inc. | $323.71 | 10 |
| E.R. Squibb & Sons, L.L.C. | $287.49 | 15 |
| Galderma Laboratories, L.P. | $255.69 | 17 |
What the 2025 payments were for
- Food and Beverage$2,768 · 141 payments
- Education$9.65 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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