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ANN MARIE MALLORY APRN, PLLC
NPI 1609687656
Nurse Practitioner - Psychiatric/Mental Health in Las Vegas, NV

Active since January 17, 2025
2400 N TENAYA WAY STE 114, LAS VEGAS, NV 89128(702) 648-6495(702) 991-6412 Get Directions Write a Review

NPPES record last updated: April 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ann Marie Mallory Aprn, Pllc NPPES

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

ANN MARIE MALLORY APRN, PLLC (NPI 1609687656), doing business as Oasis Mental Health, is a healthcare organization registered as a psychiatric/mental health in Las Vegas, Nevada and active in the NPI registry since January 2025. The organization lists Ann Marie Mallory, Practice Owner, as its authorized official.

NPPES Registry Identity

NPI1609687656
Entity TypeOrganization
Primary Taxonomy363LP0808X
Legal Business NameANN MARIE MALLORY APRN, PLLC
Location Address2400 N TENAYA WAY STE 114Las Vegas, NV 89128-0644
Mailing Address2400 N Tenaya Way Ste 114Las Vegas, NV 89128-0644 · (702) 648-6495 · Fax (702) 991-6412
Phone(702) 648-6495
Fax(702) 991-6412
Organization SubpartNo
Authorized OfficialAnn Marie MalloryPractice Owner · (702) 608-6495
Enumeration DateJanuary 17, 2025
Last NPPES UpdateApril 6, 2026
NPPES CertifiedApril 6, 2026
✔ NPI 1609687656 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
2400 N TENAYA WAY STE 114, Las Vegas, NV 89128
Open in Google Maps ↗

Other Names 1

Doing Business AsOasis Mental Health

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ann Marie Mallory Aprn, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Ann Marie Mallory Aprn, PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Ann Mallory, APRN, FNP, PMHNP
Nurse Practitioner
NPI 1801203948
2400 N TENAYA WAY STE 114
Las Vegas, NV 89128
(702) 608-6495
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Ann Marie Mallory Aprn, PLLC's NPI number?

The NPI number for Ann Marie Mallory Aprn, PLLC is 1609687656. It was assigned to this organization in the NPPES registry on January 17, 2025. The provider is doing business as Oasis Mental Health.

Where is Ann Marie Mallory Aprn, PLLC located?

Ann Marie Mallory Aprn, PLLC is located at 2400 N Tenaya Way Ste 114, Las Vegas, NV 89128. The listed phone number is (702) 648-6495.

What is Ann Marie Mallory Aprn, PLLC's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Ann Marie Mallory Aprn, PLLC enrolled in Medicare?

Yes. Ann Marie Mallory Aprn, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ann Marie Mallory Aprn, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Ann Marie Mallory Aprn, PLLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Ann Marie Mallory Aprn, PLLC accept?

Health plans from Molina Healthcare list Ann Marie Mallory Aprn, PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ann Marie Mallory Aprn, PLLC was last updated on April 6, 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.