Individual provider Active NPI

Haley Derouen

  • Nurse Practitioner
  • Bay St Louis, MS
National Provider Identifier
1891652244
Registry record updated Jan 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
908105 Issued in MS
Practice address
524 Main St
Bay St Louis, MS 39520-2730
Phone
(228) 300-2343
NPI assigned
Jan 7, 2026
Last updated
Jan 22, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 22, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 908105 MS Primary

Addresses

Primary practice location

524 Main St
Bay St Louis, MS 39520-2730

Mailing address

7216 Akikai Dr
Diamondhead, MS 39525-3907

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
908105MSMDNurse Practitioner

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1767744000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769040000000",
    "number": "1891652244",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7216 AKIKAI DR",
            "city": "DIAMONDHEAD",
            "state": "MS",
            "postal_code": "395253907"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "524 MAIN ST",
            "city": "BAY ST LOUIS",
            "state": "MS",
            "postal_code": "395202730",
            "telephone_number": "228-300-2343"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DEROUEN",
        "first_name": "HALEY",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-01-07",
        "last_updated": "2026-01-22",
        "certification_date": "2026-01-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MS",
            "license": "908105",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bay St Louis, MS

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 22, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.