NPPES file of Aug 9, 2026

Hayley Messonnier

Certified Registered Nurse Anesthetist · Jefferson, LA

Hayley Messonnier is a certified registered nurse anesthetist with a practice address in Jefferson, Louisiana, and NPI 1508613498, issued on Apr 30, 2024. Check the license (Louisiana 205673, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508613498
Name
Hayley Messonnier
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
205673 LA
Self-reported in NPPES; status is on the state search
Practice location
1514 Jefferson Hwy, Jefferson, LA 70121
Phone
(504) 842-3000
Enumerated
Apr 30, 2024
Record last updated
Aug 12, 2024
Medicare enrollment
Enrolled (PECOS I20241003004071); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In New Orleans, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1514 Jefferson Hwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Malik AbdeljaberStudent in an Organized Health Care Education/Training Program1568163335
  2. Nabil AhmedStudent in an Organized Health Care Education/Training Program1760310395
  3. Kali Albright, NPGerontology Nurse Practitioner1134924640
  4. Heather Alexander, PA-CPhysician Assistant1013422765
  5. Bader AlkharisiStudent in an Organized Health Care Education/Training Program1659859296
  6. Ashlyn Alongi, MDSurgery Physician1790245728

Verify Hayley Messonnier in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
    Search for license 205673
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Louisiana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Ochsner Clinic LLCNew Orleans, LA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

23 certified registered nurse anesthetist records list a practice address in Jefferson

They are 23 of the 661 NPPES records with a practice address in Jefferson, and 1,819 certified registered nurse anesthetist records in Louisiana.

Other certified registered nurse anesthetist records in Louisiana

  1. Elise Abadie, CRNANew Orleans, LA1932576543
  2. Alyson Abbas, CRNANew Orleans, LA1568608909
  3. Jennifer Abbrecht, CRNANew Orleans, LA1366053662
  4. Patricia Abraham, CRNABaton Rouge, LA1235225962
  5. Cody Abshire, CRNALake Charles, LA1689131633
  6. Chad Achord, CRNAHammond, LA1184634644
  7. Ashley Adams, CRNANew Orleans, LA1477994648
  8. James AdamsShreveport, LA1649258716
  9. Jessica Adams, CRNALake Charles, LA1871519793
  10. Jody Adams, CRNARuston, LA1467580886

Common questions

What is Hayley Messonnier's NPI number?

Hayley Messonnier's National Provider Identifier (NPI) is 1508613498, issued on Apr 30, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Hayley Messonnier located?

The NPPES record lists a practice address at 1514 Jefferson Hwy, Jefferson, LA, 70121. Phone: (504) 842-3000. Providers update this record themselves, so call before visiting.

How can I verify Hayley Messonnier's license?

NPPES lists Louisiana license number 205673, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity 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.