NGAN NHU DOAN
NPI 1497931125
Nurse Practitioner - Gerontology in Costa Mesa, CA
About Ngan Nhu Doan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NGAN NHU DOAN (NPI 1497931125) is an individual gerontology provider in Costa Mesa, California, licensed in California (95012646) and active in the NPI registry since January 2008. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ngan Nhu Doan is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ngan Doan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Eastvale, CA 92880
- Reassigned Medicare billing, California enrollment
- 349 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92626 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Ngan Doan's NPI number?
The NPI number for Ngan Doan is 1497931125. It was assigned to this individual provider in the NPPES registry on January 11, 2008.
Where is Ngan Doan located?
Ngan Doan practices at 2995 Red Hill Ave Ste 200, Costa Mesa, CA 92626. The listed phone number is (949) 279-6519.
What is Ngan Doan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Ngan Doan enrolled in Medicare?
Yes. Ngan Doan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ngan Doan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ngan Doan reassigns Medicare benefits to Riverside Medical Clinic, Inc (Eastvale, CA). 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 Ngan Doan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ngan Doan was last updated on January 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.