NHI NGUYEN OD
NPI 1497597520
Optometrist in Irvine, CA
About Nhi Nguyen Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NHI NGUYEN OD (NPI 1497597520) is an individual optometrist in Irvine, California, licensed in California (OPT35703TLG) and active in the NPI registry since June 2024. She is enrolled in Medicare PECOS, maintains a secondary practice location in Costa Mesa, and is a graduate of Southern California College Of Optometry (2024).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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 and accepts Medicare assignment
Nhi Nguyen Od is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Nhi Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Irvine, CA 92620
- Reassigned Medicare billing, California enrollment
- 5 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 92620 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 2
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 Nhi Nguyen's NPI number?
The NPI number for Nhi Nguyen is 1497597520. It was assigned to this individual provider in the NPPES registry on June 10, 2024.
Where is Nhi Nguyen located?
Nhi Nguyen practices at 4940 Irvine Blvd Ste 102, Irvine, CA 92620. The listed phone number is (714) 730-9580.
What is Nhi Nguyen's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Nhi Nguyen enrolled in Medicare?
Yes. Nhi Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Nhi Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nhi Nguyen reassigns Medicare benefits to Lui & Mai Optometry Partnership (Irvine, 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 Nhi Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nhi Nguyen accept?
Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list Nhi Nguyen 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 Nhi Nguyen was last updated on June 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Nhi Nguyen, OD · NPI 1497597520
Optometrist provider in Irvine, California. Individual provider, active in the CMS NPPES registry since June 10, 2024.
## Identity
- **NPI:** 1497597520 (Entity type: Individual)
- **Enumerated:** June 10, 2024
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** OPT35703TLG (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4940 IRVINE BLVD STE 102, Irvine, CA 92620-1960
- **Phone:** (714) 730-9580
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Lui & Mai Optometry Partnership (NPI 1487410114, Irvine, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Southern California College Of Optometry, class of 2024
## Record status
- **NPPES last updated:** June 10, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1497597520) · Data from the CMS NPPES public registry.