Elizabeth Aline Williamson, MD
NPI 1558757898ActiveIndividual· Dermatology· New Orleans, LA
Dermatology (MD) in New Orleans, Louisiana, trained at Louisiana State University School of Medicine in New Orleans (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $105,797 for 293 claims, against $7,302 paid for services in 2024. Galderma Laboratories, L.P. was the largest of 10 companies reporting payments in 2025, $453.72 in all, mostly food and beverage.
Overview
| NPI | 1558757898 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 14, 2015 |
| Last updated in NPPES | Jul 3, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 313430 | LA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 42 |
|---|---|
| Services billed | 220 across 17 procedure codes |
| Paid by Medicare | $7,302 |
Part D prescriptions in 2024
| Prescriptions (claims) | 293 · 316 30-day fills |
|---|---|
| Patients | 91 |
| Total drug cost | $105,797 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Dermatology |
Medical group
- Southern Dermatology of New OrleansNew Orleans, LA · 2 clinicians
Industry payments (Open Payments)
- 2025$453.72 · 17 payments from 10 companies
- 2024$416.21 · 16 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Galderma Laboratories, L.P. | $157.56 | 2 |
| Genzyme Corporation | $85.95 | 4 |
| Abbvie Inc. | $54.72 | 3 |
| Organon LLC | $51.54 | 2 |
| Krystal Biotech Inc | $23.49 | 1 |
What the 2025 payments were for
- Food and Beverage$453.72 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other dermatologists in New Orleans
- 1073682084
- 1114973617
- 1134756430
- 1336317379
- 1346773108
- 1356531677
- 1518266402
- 1518934611
- 1558553875
- 1568662674
- 1578514808
- 1598711848
All 43 dermatologists in New Orleans · All dermatologists in Louisiana