HALEY DEROUEN
NPI 1891652244
Nurse Practitioner in Bay St Louis, MS

Q: What is Haley Derouen's NPI number?

The NPI number for Haley Derouen is 1891652244. It was assigned to this individual provider in the NPPES registry on January 7, 2026.

Q: What is Haley Derouen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Haley Derouen was last updated on January 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 07, 2026

524 MAIN ST, BAY ST LOUIS, MS 39520(228) 300-2343 Get Directions Write a Review

NPPES record last updated: January 22, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 22, 2026, Jan 7, 2026 (2 updates tracked since 2026).

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About Haley Derouen NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HALEY DEROUEN (NPI 1891652244) is an individual nurse practitioner in Bay St Louis, Mississippi, licensed in Mississippi (908105) and active in the NPI registry since January 2026.

NPPES Registry Identity

NPI1891652244

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameHALEY DEROUEN

Location Address524 MAIN STBay St Louis, MS 39520-2730

Mailing Address7216 Akikai DrDiamondhead, MS 39525-3907

Phone(228) 300-2343

Sole ProprietorYes

Enumeration DateJanuary 7, 2026

Last NPPES UpdateJanuary 22, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 22, 2026

✔ NPI 1891652244 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in MS · 908105

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

524 MAIN ST, Bay St Louis, MS 39520

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Haley Derouen's NPI number?

The NPI number for Haley Derouen is 1891652244. It was assigned to this individual provider in the NPPES registry on January 7, 2026.

Where is Haley Derouen located?

Haley Derouen practices at 524 Main St, Bay St Louis, MS 39520. The listed phone number is (228) 300-2343.

What is Haley Derouen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Haley Derouen was last updated on January 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.