Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Hayley Messonnier

Individual provider Registered Nurse · NPI 1508613498

Hayley Messonnier is a Certified Registered Nurse Anesthetist (CRNA) in Jefferson, Louisiana. Graduated from Louisiana State University School of Medicine in New Orleans in 2024, 2 years ago. Practices with Ochsner Clinic LLC, a 2,842-clinician group and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
2
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
LA
In the registry since
2024
Specialties on file
2
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Practice location Address checks out

1514 Jefferson Hwy
Jefferson, LA 70121-2429
Phone: (504) 842-3000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 205673 (LA)
Registered Nurse Taxonomy 163W00000X · Licence 205673 (LA)

Record details

NPI number1508613498
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedApril 30, 2024
Last updated in NPPESAugust 12, 2024
Certification dateAugust 12, 2024
Mailing address331 N Murat St, New Orleans, LA 70119-4531

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 2024 (2 years in practice)
Group practice Ochsner Clinic Llc — 2842 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Jefferson