Claire Mersereau, MD
Obstetrics & Gynecology Physician · New Orleans, LA
Claire Mersereau, MD is an obstetrics & gynecology physician with a practice address in New Orleans, Louisiana, and NPI 1497597587, issued on Jun 10, 2024. Check the license (Louisiana 342430, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Claire Mersereau
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 342430 LA
Self-reported in NPPES; status is on the state search - Practice location
- 433 Bolivar St, New Orleans, LA 70112
- Phone
- (504) 568-4808
- Enumerated
- Jun 10, 2024
- Record last updated
- Jun 11, 2024
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 659 in Louisiana → Look up another NPI →
Also registered at 433 Bolivar St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kamara Allen, PA-CPhysician Assistant1255220448
- Emily Aventura, M.D.Critical Care Medicine (Internal Medicine) Physician1407047277
- Sean Backer-Meurke, DOStudent in an Organized Health Care Education/Training Program1366293011
- Brooke BagleyStudent in an Organized Health Care Education/Training Program1932083128
- Gabrielle BezettCertified Registered Nurse Anesthetist1649059221
- Jordan Blake, PAPhysician Assistant1467340760
Verify Claire Mersereau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 342430Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
29 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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.
Claire Mersereau among 659 obstetrics & gynecology physician records in Louisiana
Claire Mersereau, MD is one of 659 obstetrics & gynecology physician records with a practice address in Louisiana. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 99% of them.
- NPI issued2024 · 99% of these records are older, 1% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2024 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Louisiana
There are 659 obstetrics & gynecology physician records in Louisiana.
All 659 in Louisiana → Every provider in New Orleans → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Brian AshfordNew Orleans, LA 701121265622732
- Nicole Freehill, MDNew Orleans, LA 701121861608010
- Rodney Hoxsey, MDNew Orleans, LA 701121871514893
- Andrew JonesNew Orleans, LA 701121831455617
- Roberta Lottinger, MDNew Orleans, LA 701121912090150
- Amber Naresh, MDNew Orleans, LA 701121306049101
- Thomas Nolan, MDNew Orleans, LA 701121902829856
- Rachel Reitan, M.D.New Orleans, LA 701121619032646
Common questions
What is Claire Mersereau, MD's NPI number?
Claire Mersereau, MD's National Provider Identifier (NPI) is 1497597587, issued on Jun 10, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Claire Mersereau, MD located?
The NPPES record lists a practice address at 433 Bolivar St, New Orleans, LA, 70112. Phone: (504) 568-4808. Providers update this record themselves, so call before visiting.
How can I verify Claire Mersereau, MD's license?
NPPES lists Louisiana license number 342430, 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 Claire Mersereau, MD prescribe under Medicare Part D?
In 2024, Claire Mersereau, MD had 29 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.