NGOC MONG HOANG NGUYEN O.D.
NPI 1891842530
Optometrist in Escondido, CA
About Ngoc Mong Hoang Nguyen O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NGOC MONG HOANG NGUYEN O.D. (NPI 1891842530) is an individual optometrist in Escondido, California, licensed in California (OPT10519) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ngoc Mong Hoang Nguyen O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ngoc Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92120
- Reassigned Medicare billing, California enrollment
- 13,921 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 92029 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Ngoc Nguyen's NPI number?
The NPI number for Ngoc Nguyen is 1891842530. It was assigned to this individual provider in the NPPES registry on January 4, 2007.
Where is Ngoc Nguyen located?
Ngoc Nguyen practices at 1264 Auto Pkwy Ste A, Escondido, CA 92029. The listed phone number is (760) 743-5209.
What is Ngoc Nguyen's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Ngoc Nguyen enrolled in Medicare?
Yes. Ngoc Nguyen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ngoc Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ngoc Nguyen reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, 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 Ngoc Nguyen'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 Ngoc Nguyen was last updated on December 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.