MADELYN HOANGDIEM MAI MSW
NPI 1821586322
Counselor - Mental Health in Las Vegas, NV
About Madelyn Hoangdiem Mai Msw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MADELYN HOANGDIEM MAI MSW (NPI 1821586322) is an individual mental health provider in Las Vegas, Nevada and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Madelyn Hoangdiem Mai Msw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Madelyn Hoangdiem Mai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Henderson, NV 89015
- Reassigned Medicare billing, Nevada enrollment
- 521 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAS VEGAS, NV 89113
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 Madelyn Hoangdiem Mai's NPI number?
The NPI number for Madelyn Hoangdiem Mai is 1821586322. It was assigned to this individual provider in the NPPES registry on April 30, 2018. The provider is also known as Hoang T Mai.
Where is Madelyn Hoangdiem Mai located?
Madelyn Hoangdiem Mai practices at 6355 S Buffalo Dr Fl 3, Las Vegas, NV 89113. The listed phone number is (702) 479-4881.
What is Madelyn Hoangdiem Mai's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Madelyn Hoangdiem Mai enrolled in Medicare?
Yes. Madelyn Hoangdiem Mai is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Madelyn Hoangdiem Mai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Madelyn Hoangdiem Mai reassigns Medicare benefits to Intermountain Medical Holdings Nevada Inc (Henderson, NV). The 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 Madelyn Hoangdiem Mai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Madelyn Hoangdiem Mai accept?
Health plans from Ambetter Health and Ambetter from Arizona Complete Health list Madelyn Hoangdiem Mai 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 Madelyn Hoangdiem Mai was last updated on June 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.