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DR. DAVID BUU CHAU O.D.
NPI 1306199328
Optometrist in Sugar Land, TX

Active since October 16, 2012PECOS EnrolledAccepts Medicare Assignment
19875 SOUTHWEST FWY STE 180, SUGAR LAND, TX 77479(718) 458-0713 Get Directions Write a Review

NPPES record last updated: August 12, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 12, 2025, Nov 10, 2020 (2 updates tracked since 2020).

About Dr. David Buu Chau O.d. NPPES

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

DR. DAVID BUU CHAU O.D. (NPI 1306199328) is an individual optometrist in Sugar Land, Texas, licensed in Texas (8065TG) and active in the NPI registry since October 2012. He is enrolled in Medicare PECOS and is a graduate of University Of Houston - College Of Optometry (2012).

NPPES Registry Identity

NPI1306199328
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. DAVID BUU CHAUCredential: O.D.
Location Address19875 SOUTHWEST FWY STE 180Sugar Land, TX 77479-3514
Mailing Address19875 Southwest Fwy Ste 180Sugar Land, TX 77479-3514 · (281) 545-4901 · Fax (281) 533-6168
Phone(718) 458-0713
Sole ProprietorNo
Medical School CMSUniversity Of Houston - College Of OptometryGraduated 2012
Enumeration DateOctober 16, 2012
Last NPPES UpdateAugust 12, 20252 updates tracked since enumeration
NPPES CertifiedAugust 12, 2025
✔ NPI 1306199328 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in TX · 8065TG
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.
Also ListedOptometrist · Vision TherapyTaxonomy 152WV0400X · License 8065TG (TX)
19875 SOUTHWEST FWY STE 180, Sugar Land, TX 77479
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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, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. David Buu Chau 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.

PECOS PAC ID9537383468
PECOS Enrollment IDI20141222001063
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show David Chau reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Evolutionary Eye Care
Same address
Low Vision Rehabilitation
19875 SOUTHWEST FWY, SUITE 180
Sugar Land, TX 77479
  • Reassigned Medicare billing, Texas enrollment
  • 4 clinicians in this Medicare group
NPI 1467838656 (281) 545-4901

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 11

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.

Placement of amniotic membrane on eye surface for wound healing 65778
The placement of an amniotic membrane on the eye surface is a treatment to promote healing of eye wounds. It involves placing a thin, protective layer over the eye. This layer, derived from the amniotic membrane, helps reduce inflammation and scarring, while encouraging healing.
90 services37 patients
Destruction of growth of eyelid margin, 1.0 cm or less 67850
This procedure involves the removal of a small growth on the edge of your eyelid. It's typically done when the growth causes discomfort or affects vision. The growth, measuring 1.0 cm or less, is carefully destroyed, aiding in your eye comfort and health.
75 services33 patients
Exam of visual field with extended testing 92083
An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.
54 services24 patients
Microfluid analysis of tears 83861
Microfluid analysis of tears involves collecting a small tear sample to examine its composition. This procedure can help detect health issues like dry eye disease, inflammation, or other eye conditions. It's a non-invasive, painless method for monitoring eye health.
38 services14 patients
Exam to measure eye deviation and range of motion 92060
This is an eye exam that checks for any misalignment in your eyes, also known as deviation. It also assesses the movement range of your eyes. The procedure is painless and helps in detecting conditions like strabismus or other vision issues.
37 services17 patients
Photography of content of eyes 92285
Photography of the content of eyes, also known as ocular photography, captures detailed images of different parts of the eye. It helps identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. The process is non-invasive and painless.
37 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77479 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ANITH SASIDHARAN PILLAI O.D.
Optometrist
19875 SOUTHWEST FWY STE 180
SUGAR LAND, TX 77479
Fort Bend County (281) 545-4901

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 David Chau's NPI number?

The NPI number for David Chau is 1306199328. It was assigned to this individual provider in the NPPES registry on October 16, 2012.

Where is David Chau located?

David Chau practices at 19875 Southwest Fwy Ste 180, Sugar Land, TX 77479. The listed phone number is (718) 458-0713.

What is David Chau's specialty?

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

Is David Chau enrolled in Medicare?

Yes. David Chau 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 David Chau's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Chau reassigns Medicare benefits to Evolutionary Eye Care (Sugar Land, 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 David Chau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David Chau 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 David Chau 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 David Chau was last updated on August 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.