MASTER EYE ASSOCIATES
NPI 1659606044
Optometrist in Houston, TX

Q: What is Long Duy Nguyen Od PA's NPI number?

The NPI number for Long Duy Nguyen Od PA is 1659606044. It was assigned to this organization in the NPPES registry on October 2, 2009. The provider is doing business as Master Eye Associates.

Q: What is Long Duy Nguyen Od PA's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Active since October 02, 2009

10953 WESTHEIMER RD, HOUSTON, TX 77042(713) 774-3093 Get Directions Write a Review

NPPES record last updated: October 2, 2009. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Master Eye Associates NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MASTER EYE ASSOCIATES (NPI 1659606044) is a healthcare organization registered as an optometrist in Houston, Texas and active in the NPI registry since October 2009. The organization lists Long Duy Nguyen, Optometrist/president, as its authorized official.

NPPES Registry Identity

NPI1659606044

Entity TypeOrganization

Primary Taxonomy152W00000X

Legal Business NameLONG DUY NGUYEN OD PA

Location Address10953 WESTHEIMER RDHouston, TX 77042-3203

Mailing Address10953 Westheimer RdHouston, TX 77042-3203 · (713) 774-3093

Phone(713) 774-3093

Organization SubpartNo

Authorized OfficialLong Duy NguyenOptometrist/president · (713) 774-3093

Enumeration DateOctober 2, 2009

✔ NPI 1659606044 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

License✔ Licensed in TX · 06456TG

Definition

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

10953 WESTHEIMER RD, Houston, TX 77042

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Other Names 1

Doing Business AsMaster Eye Associates

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross Blue Shield of Wyoming, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Master Eye Associates is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Master Eye Associates, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Long Nguyen, O.D.

Optometry

NPI 1144351164

242 SHARPSTOWN CTR
Houston, TX 77036

(713) 774-3093

✔ PECOS✔ Accepts Medicare3.8 mi

David Morrow, O.D.

Optometry

NPI 1861534596

11510-B SPACE CENTER BLVD
Houston, TX 77059

(281) 554-9607

✔ PECOS27 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Long Duy Nguyen Od PA's NPI number?

The NPI number for Long Duy Nguyen Od PA is 1659606044. It was assigned to this organization in the NPPES registry on October 2, 2009. The provider is doing business as Master Eye Associates.

Where is Long Duy Nguyen Od PA located?

Long Duy Nguyen Od PA is located at 10953 Westheimer Rd, Houston, TX 77042. The listed phone number is (713) 774-3093.

What is Long Duy Nguyen Od PA's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Long Duy Nguyen Od PA enrolled in Medicare?

Yes. Long Duy Nguyen Od PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Long Duy Nguyen Od PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Optometry, reassign their Medicare billing to Long Duy Nguyen Od PA. A 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 the clinician's services. Of these, 1 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Long Duy Nguyen Od PA accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Oscar Insurance Company list Long Duy Nguyen Od PA 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 Long Duy Nguyen Od PA was last updated on October 2, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.