Lisa Walker, M.D.
NPI 1578571816 · Dermatology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lisa Walker, M.D. is a Dermatology Physician provider in San Antonio, TX (NPI 1578571816).
Provider details
- NPI number
- 1578571816
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- L0220 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,476 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 1,161 | $6 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 682 | $122 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 411 | $47 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 386 | $86 |
| Destruction of Skin Growth, 1-14 Growths17110 | 359 | $105 |
| Biopsy of Related Skin Growth, First Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 55 | 40 |
| Triamcinolone Acetonide | 54 | 42 |
| Clobetasol Propionate | 49 | 30 |
| Doxycycline Hyclate | 43 | 20 |
| Dupilumabbrand: Dupixent Pen | 41 | — |
| Minoxidil | 37 | — |
| Fluorouracil | 28 | 27 |
| Hydrocortisone | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$8,610 across 157 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-03
- Last updated
- 2014-02-07
Frequently asked questions
- What is Lisa Walker's NPI number?
- Lisa Walker's National Provider Identifier (NPI) is 1578571816, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lisa Walker's specialty?
- Lisa Walker is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Lisa Walker located?
- Lisa Walker's practice location on file with NPPES is 18540 Sigma Road, San Antonio, TX 78258-3280.
- What is Lisa Walker's phone number?
- The practice phone number listed in the NPPES registry for Lisa Walker is (210) 490-4661.
- Does Lisa Walker accept Medicare?
- Lisa Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lisa Walker's NPI active?
- Yes — Lisa Walker's NPI (1578571816) is active in the NPPES registry as of the last update on 2014-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.