DR. HALEY NGUYEN OD
NPI 1457977415
Optometrist in West Lake Hills, TX
About Dr. Haley Nguyen Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HALEY NGUYEN OD (NPI 1457977415) is an individual optometrist in West Lake Hills, Texas, licensed in Texas (9979) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of University Of Houston - College Of Optometry (2020).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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. Haley 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 Reassignments
2Medicare enrollment records show Haley Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Lake Hills, TX 78746
- Reassigned Medicare billing, Texas enrollment
- 396 clinicians in this Medicare group
West Lake Hills, TX 78746
- Reassigned Medicare billing, Texas enrollment
- 6 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78746 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 Haley Nguyen's NPI number?
The NPI number for Haley Nguyen is 1457977415. It was assigned to this individual provider in the NPPES registry on June 24, 2020.
Where is Haley Nguyen located?
Haley Nguyen practices at 4613 Bee Caves Rd Ste 201, West Lake Hills, TX 78746. The listed phone number is (512) 643-2495.
What is Haley Nguyen's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Haley Nguyen enrolled in Medicare?
Yes. Haley 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 organizations bill Medicare for Haley Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Haley Nguyen reassigns Medicare benefits to 2 organizations: Med Southwest, PLLC (West Lake Hills, TX) and Westlake Eyecare, PLLC (West Lake Hills, TX). Each 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 Haley Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Haley 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 15 other insurers list Haley 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 Haley Nguyen was last updated on March 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.