Organization Active NPI

Ann Marie Mallory Aprn, PLLC

Doing business as Oasis Mental Health

  • Psychiatric/Mental Health Nurse Practitioner
  • Las Vegas, NV
National Provider Identifier
1609687656
Registry record updated Apr 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
Legal business name
ANN MARIE MALLORY APRN, PLLC
Doing business as
Oasis Mental Health
Practice address
2400 N Tenaya Way Ste 114
Las Vegas, NV 89128-0644
Phone
(702) 648-6495
Fax
(702) 991-6412
NPI assigned
Jan 17, 2025
Last updated
Apr 6, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Apr 6, 2026

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

Authorized official

Name
Ann Marie Mallory, NPNPI 1801203948
Title
Practice Owner
Phone
(702) 608-6495

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X NU Primary

Addresses

Primary practice location

2400 N Tenaya Way Ste 114
Las Vegas, NV 89128-0644

Mailing address

2400 N Tenaya Way Ste 114
Las Vegas, NV 89128-0644
Phone (702) 648-6495

Other names 1

  • Oasis Mental Health Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NV

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20260615002233 NV Part B Supplier - Clinic/Group Practice 5991277568 Receives reassigned benefits from 1 practitioner
Practice locations: Las Vegas, NV

National Provider Directory

National Provider Directory

Locations

2400 N Tenaya Way
Ste 114
Las Vegas, NV 89128
Phone (702) 608-6495

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1737072000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1775433600000",
    "number": "1609687656",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2400 N TENAYA WAY STE 114",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891280644",
            "telephone_number": "702-648-6495",
            "fax_number": "702-991-6412"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2400 N TENAYA WAY STE 114",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891280644",
            "telephone_number": "702-648-6495",
            "fax_number": "702-991-6412"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ANN MARIE MALLORY APRN, PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-01-17",
        "last_updated": "2026-04-06",
        "certification_date": "2026-04-06",
        "status": "A",
        "authorized_official_last_name": "MALLORY",
        "authorized_official_first_name": "ANN",
        "authorized_official_middle_name": "MARIE",
        "authorized_official_title_or_position": "PRACTICE OWNER",
        "authorized_official_telephone_number": "702-608-6495",
        "authorized_official_credential": "NP"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Oasis Mental Health",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Las Vegas, NV

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.