Elizabeth Aline Williamson, MD
Dermatology Physician · New Orleans, LA
Elizabeth Aline Williamson, MD is a dermatology physician with a practice address in New Orleans, Louisiana, and NPI 1558757898, issued on Apr 14, 2015. Check the license (Louisiana 313430, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Aline Williamson
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 313430 LA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Henry Clay Ave, New Orleans, LA 70118
- Phone
- (504) 896-9400
- Enumerated
- Apr 14, 2015
- Record last updated
- Jul 3, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191007003482); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 2015
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 196 in Louisiana → Look up another NPI →
Also registered at 200 Henry Clay Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Elizabeth Aline Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 313430Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average dermatology physician in 2024
293 Medicare Part D claims for 91 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Ketoconazole56 claims
- Triamcinolone Acetonide55 claims
- Dupixent Pen24 claims
- Fluocinonide20 claims
- Valacyclovir18 claims
- Mometasone Furoate16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $416.21
16 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Southern Dermatology OF New OrleansNew Orleans, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth Aline Williamson among 196 dermatology physician records in Louisiana
Elizabeth Aline Williamson, MD is one of 196 dermatology physician records with a practice address in Louisiana. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 83% of them.
- NPI issued2015 · 83% of these records are older, 15% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2015 · median 2006 among the 160 with a school on file
- Record last updated2019 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Louisiana
There are 196 dermatology physician records in Louisiana.
All 196 in Louisiana → Every provider in New Orleans → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Patricia Hickham, M.D.New Orleans, LA 701191073682084
- William Claiborne, M.D., M.P.H.New Orleans, LA 701151518266402
- Martin Claiborne, MDNew Orleans, LA 701151699770214
- Alicia Cool, M.D.New Orleans, LA 701211568662674
- Aaron Coulon, M.D.New Orleans, LA 701211346773108
- Julie Danna, MDNew Orleans, LA 701211730274267
- Rachel GraubardNew Orleans, LA 701211255967238
- Aimee Hasney, M.D.New Orleans, LA 701211558553875
Common questions
What is Elizabeth Aline Williamson, MD's NPI number?
Elizabeth Aline Williamson, MD's National Provider Identifier (NPI) is 1558757898, issued on Apr 14, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Aline Williamson, MD located?
The NPPES record lists a practice address at 200 Henry Clay Ave, New Orleans, LA, 70118. Phone: (504) 896-9400. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Aline Williamson, MD's license?
NPPES lists Louisiana license number 313430, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Elizabeth Aline Williamson, MD prescribe under Medicare Part D?
In 2024, Elizabeth Aline Williamson, MD had 293 Medicare Part D claims for 91 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.