DR. CHAU NHU NGUYEN O.D.
NPI 1487741666
Optometrist in Honolulu, HI
About Dr. Chau Nhu Nguyen O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHAU NHU NGUYEN O.D. (NPI 1487741666) is an individual optometrist in Honolulu, Hawaii, licensed in Hawaii (524) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Parkland Health & Hospital System, and is a graduate of University Of Houston - College Of Optometry (1985).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Chau Nhu Nguyen O.d. 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 Chau Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Grand Prairie, TX 75051
- Reassigned Medicare billing, Texas enrollment
- 808 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Parkland Health & Hospital System
Acute Care Hospitals · Dallas, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 96819 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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HONOLULU, HI 96819
HONOLULU, HI 96819
HONOLULU, HI 96819
HONOLULU, HI 96819
HONOLULU, HI 96819
HONOLULU, HI 96819
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 Chau Nguyen's NPI number?
The NPI number for Chau Nguyen is 1487741666. It was assigned to this individual provider in the NPPES registry on October 6, 2006.
Where is Chau Nguyen located?
Chau Nguyen practices at 459 Patterson Road Sc 11, Honolulu, HI 96819. The listed phone number is (808) 838-6505.
What is Chau Nguyen's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Chau Nguyen enrolled in Medicare?
Yes. Chau 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 Chau Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chau Nguyen reassigns Medicare benefits to Dallas County Hospital District (Grand Prairie, TX). 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 Chau Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chau Nguyen accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 9 other insurers list Chau 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.
Is Chau Nguyen affiliated with any hospitals?
According to CMS data, Chau Nguyen is affiliated with Parkland Health & Hospital System.
When was this NPI record last updated?
The NPPES record for Chau Nguyen was last updated on January 18, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dr. Chau Nhu Nguyen, O.D. · NPI 1487741666
Optometrist provider in Honolulu, Hawaii. Individual provider, active in the CMS NPPES registry since October 6, 2006.
## Identity
- **NPI:** 1487741666 (Entity type: Individual)
- **Enumerated:** October 6, 2006
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 524 (Hawaii)
- **Sole proprietor:** No
## Practice location
- **Address:** 459 PATTERSON ROAD, SC 11, Honolulu, HI 96819
- **Phone:** (808) 838-6505
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Dallas County Hospital District (NPI 1194090001, Grand Prairie, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Houston - College Of Optometry, class of 1985
## Record status
- **NPPES last updated:** January 18, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1487741666) · Data from the CMS NPPES public registry.