Lisa C. Walker, M.D.
NPI 1578571816ActiveIndividual· Dermatology· San Antonio, TX
Dermatology (M.D.) in San Antonio, Texas, trained at University of Texas Medical School at San Antonio (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $518,838 for 530 claims, against $175,532 paid for services in 2024. Abbvie Inc. was the largest of 23 companies reporting payments in 2025, $4,635 in all, mostly food and beverage.
Overview
| NPI | 1578571816 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 3, 2006 |
| Last updated in NPPES | Feb 7, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | L0220 | 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 | 604 |
|---|---|
| Services billed | 3,754 across 57 procedure codes |
| Paid by Medicare | $175,532 |
Part D prescriptions in 2024
| Prescriptions (claims) | 530 · 742 30-day fills |
|---|---|
| Patients | 229 |
| Total drug cost | $518,838 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at San Antonio |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Dermatology |
Medical groups
- Epiphany Dermatology PABryan, TX · 109 clinicians
- Dermatology Associates of San AntonioSan Antonio, TX · 17 clinicians
Industry payments (Open Payments)
- 2025$4,635 · 162 payments from 23 companies
- 2024$8,610 · 157 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $653.61 | 26 |
| Genzyme Corporation | $517.50 | 9 |
| Galderma Laboratories, L.P. | $491.62 | 21 |
| Ucb, Inc. | $362.86 | 7 |
| Janssen Scientific Affairs, LLC | $283.53 | 2 |
What the 2025 payments were for
- Food and Beverage$4,635 · 162 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 142 dermatologists in San Antonio · All dermatologists in Texas