Elizabeth Williamson, MD
NPI 1558757898 · Dermatology Physician · New Orleans, LA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Williamson, MD is a Dermatology Physician provider in New Orleans, LA (NPI 1558757898).
Provider details
- NPI number
- 1558757898
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
158 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 | 102 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 34 | $86 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 22 | $47 |
Typical Medicare-allowed amounts for these services range $6–$86 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 56 | 23 |
| Triamcinolone Acetonide | 55 | 20 |
| Dupilumabbrand: Dupixent Pen | 24 | — |
| Fluocinonide | 20 | — |
| Valacyclovir Hclbrand: Valacyclovir | 18 | — |
| Mometasone Furoate | 16 | — |
| Hydrocortisone | 14 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$416 across 16 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
Additional practice locations (1)
- 4301 W Markham StSlot 576Little Rock, AR 72205-7101Phone: (501) 686-5356
Registry dates
- Enumerated
- 2015-04-14
- Last updated
- 2019-07-03
Frequently asked questions
- What is Elizabeth Williamson's NPI number?
- Elizabeth Williamson's National Provider Identifier (NPI) is 1558757898, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Williamson's specialty?
- Elizabeth Williamson is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Williamson located?
- Elizabeth Williamson's practice location on file with NPPES is 200 Henry Clay Ave, New Orleans, LA 70118-5720.
- What is Elizabeth Williamson's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Williamson is (504) 896-9400.
- Does Elizabeth Williamson accept Medicare?
- Elizabeth Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Williamson's NPI active?
- Yes — Elizabeth Williamson's NPI (1558757898) is active in the NPPES registry as of the last update on 2019-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.