Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Hayley Messonnier

Certified Registered Nurse Anesthetist in Jefferson, LA · enumerated 2024.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1508613498

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Registry record

Entity type Individual (Type 1)

Name Hayley Messonnier

Sex Female

Practice address 1514 Jefferson Hwy, Jefferson, LA, 70121

Phone (504) 842-3000

Enumeration date Apr 30, 2024

Last updated in NPPES Aug 12, 2024

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 205673 (LA) Secondary

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 205673 (LA) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Hayley Messonnier?

The National Provider Identifier (NPI) for Hayley Messonnier is 1508613498, a Type 1 (individual) record in the CMS NPPES registry.

Where does Hayley Messonnier practice?

The practice location on file with NPPES is in Jefferson, LA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Kirt Talamo Medical Physician Assistant · New Orleans, LA NPI 1053314419 Samuel Andrews Endocrinology, Diabetes & Metabolism Physician · New Orleans, LA NPI 1083618789 George Chimento Orthopaedic Surgery Physician · New Orleans, LA NPI 1497759922 Richard Deichmann Internal Medicine Physician · New Orleans, LA NPI 1912901315 Letonna Bradford Emergency Medicine Physician · New Orleans, LA NPI 1841296258 Frank Cerniglia Pediatric Urology Physician · New Orleans, LA NPI 1326046020 Monica Wilkinson Certified Registered Nurse Anesthetist · New Orleans, LA NPI 1538168240 Susan Nelson Hospice and Palliative Medicine (Internal Medicine) Physician · New Orleans, LA NPI 1669471256

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-08-12.