OCULAR OASIS
NPI 1215949581
Optometrist in Katy, TX

Q: What is Hoa T. Nguyen Od And Associates, PA's NPI number?

The NPI number for Hoa T. Nguyen Od And Associates, PA is 1215949581. It was assigned to this organization in the NPPES registry on August 13, 2006. The provider is doing business as Ocular Oasis.

Q: What is Hoa T. Nguyen Od And Associates, PA's specialty?

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

Active since August 13, 2006

1830 S MASON RD, SUITE 130, KATY, TX 77450(281) 395-0049(281) 395-0054 Get Directions Write a Review

NPPES record last updated: October 19, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Ocular Oasis NPPES

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

OCULAR OASIS (NPI 1215949581) is a healthcare organization registered as an optometrist in Katy, Texas and active in the NPI registry since August 2006. The organization lists Hoa Thi Nguyen, Owner, as its authorized official.

NPPES Registry Identity

NPI1215949581

Entity TypeOrganization

Primary Taxonomy152W00000X

Legal Business NameHOA T. NGUYEN OD AND ASSOCIATES, PA

Location Address1830 S MASON RD, SUITE 130Katy, TX 77450-6148

Mailing Address1830 S Mason Rd, Suite 130Katy, TX 77450-6148 · (281) 395-0049 · Fax (281) 395-0054

Phone(281) 395-0049

Fax(281) 395-0054

Organization SubpartNo

Authorized OfficialHoa Thi NguyenOwner · (281) 395-0049

Enumeration DateAugust 13, 2006

Last NPPES UpdateOctober 19, 2007

✔ NPI 1215949581 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 · 6605TG

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.

1830 S MASON RD, Katy, TX 77450

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Other Names 1

Doing Business AsOcular Oasis

Other Identifiers 1

Medicare PIN00W903TX

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)

Ocular Oasis is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Ocular Oasis, which bills Medicare for the services this clinician delivers.

Clinician (1)

Hoa Nguyen, OD

Optometry

NPI 1053362871

1830 S MASON RD SUITE 130
Katy, TX 77450

(281) 395-0049

✔ PECOSSame address

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 Hoa T. Nguyen Od And Associates, PA's NPI number?

The NPI number for Hoa T. Nguyen Od And Associates, PA is 1215949581. It was assigned to this organization in the NPPES registry on August 13, 2006. The provider is doing business as Ocular Oasis.

Where is Hoa T. Nguyen Od And Associates, PA located?

Hoa T. Nguyen Od And Associates, PA is located at 1830 S Mason Rd Suite 130, Katy, TX 77450. The listed phone number is (281) 395-0049.

What is Hoa T. Nguyen Od And Associates, PA's specialty?

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

Is Hoa T. Nguyen Od And Associates, PA enrolled in Medicare?

Yes. Hoa T. Nguyen Od And Associates, PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Hoa T. Nguyen Od And Associates, PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Optometry) reassigns their Medicare billing to Hoa T. Nguyen Od And Associates, 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Hoa T. Nguyen Od And Associates, PA accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Oscar Insurance Company list Hoa T. Nguyen Od And Associates, 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 Hoa T. Nguyen Od And Associates, PA was last updated on October 19, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.