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DAO & ASSOCIATES OD PA
NPI 1558573121
Optometrist in Houston, TX

Active since May 04, 2007
13600 EAST FREEWAY, SUITE A, HOUSTON, TX 77015(713) 451-4900(713) 451-4978 Get Directions Write a Review

NPPES record last updated: September 2, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 2, 2020, Jul 14, 2020 (2 updates tracked since 2020).

About Dao & Associates Od Pa NPPES

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

DAO & ASSOCIATES OD PA (NPI 1558573121) is a healthcare organization registered as an optometrist in Houston, Texas and active in the NPI registry since May 2007. The organization lists David Dao, Owner, as its authorized official.

NPPES Registry Identity

NPI1558573121
Entity TypeOrganization
Primary Taxonomy152W00000X
Legal Business NameDAO & ASSOCIATES OD PA
Location Address13600 EAST FREEWAY, SUITE AHouston, TX 77015
Mailing Address13600 East Freeway, Suite AHouston, TX 77015 · (713) 451-4900 · Fax (713) 451-4978
Phone(713) 451-4900
Fax(713) 451-4978
Organization SubpartNo
Authorized OfficialDavid DaoOwner · (713) 451-4900
Enumeration DateMay 4, 2007
Last NPPES UpdateSeptember 2, 20202 updates tracked since enumeration
NPPES CertifiedSeptember 2, 2020
✔ NPI 1558573121 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 · 6437TG
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.
13600 EAST FREEWAY, Houston, TX 77015
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Other Identifiers 1

Medicaid163628402TX

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 Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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)

Dao & Associates Od Pa 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 Dao & Associates Od PA, which bills Medicare for the services this clinician delivers.

Clinician (1)

David Dao, O.D.
Optometry
NPI 1750376620
13600 EAST FWY SUITE A
Houston, TX 77015
(713) 451-4900
✔ PECOS0.1 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 Dao & Associates Od PA's NPI number?

The NPI number for Dao & Associates Od PA is 1558573121. It was assigned to this organization in the NPPES registry on May 4, 2007.

Where is Dao & Associates Od PA located?

Dao & Associates Od PA is located at 13600 East Freeway Suite A, Houston, TX 77015. The listed phone number is (713) 451-4900.

What is Dao & Associates Od PA's specialty?

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

Is Dao & Associates Od PA enrolled in Medicare?

Yes. Dao & Associates Od PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Dao & Associates Od PA?

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

What insurance does Dao & Associates Od PA 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 1 other insurer list Dao & Associates 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 Dao & Associates Od PA was last updated on September 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.