DR. YAU SAN TAM O.D.
NPI 1992054670
Optometrist in Houston, TX

Q: What is Yau Tam's NPI number?

The NPI number for Yau Tam is 1992054670. It was assigned to this individual provider in the NPPES registry on September 10, 2012.

Q: What is Yau Tam's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Yau Tam was last updated on August 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since September 10, 2012PECOS Enrolled

6701 FANNIN ST STE 200, HOUSTON, TX 77030(832) 733-1003(832) 733-1458 Get Directions Write a Review

NPPES record last updated: August 26, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Yau San Tam O.d. NPPES

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

DR. YAU SAN TAM O.D. (NPI 1992054670) is an individual optometrist in Houston, Texas, licensed in Texas (7992TG) and active in the NPI registry since September 2012. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1992054670

Entity TypeIndividualFemale

Primary Taxonomy152W00000X

Provider Legal NameDR. YAU SAN TAMCredential: O.D.

Location Address6701 FANNIN ST STE 200Houston, TX 77030-2608

Mailing Address9700 Bissonnet St, Ste. 1000wHouston, TX 77036-8001 · (832) 733-1003 · Fax (832) 733-1458

Phone(832) 733-1003

Fax(832) 733-1458

Sole ProprietorNo

Enumeration DateSeptember 10, 2012

Last NPPES UpdateAugust 26, 2024

NPPES CertifiedAugust 26, 2024

✔ NPI 1992054670 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 · 7992TG

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.

6701 FANNIN ST STE 200, Houston, TX 77030

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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 (PECOS)

Dr. Yau San Tam O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Yau Tam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Texas Children's Physician Group

0.1 mi

Pediatrics

6621 FANNIN ST
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
Medicare enrollment name: Texas Childrens Physician Group
2,498 clinicians in this Medicare group

NPI 1861675506 (832) 824-1000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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

$134.06 typical visit price

range $58.24 – $176.98

Typical copayment $33.51 (range $14.56 – $44.24)

Most-billed visit code 99204

Established Patient

$72.62 typical visit price

range $18.60 – $143.93

Typical copayment $18.15 (range $4.65 – $35.98)

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.

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 Yau Tam's NPI number?

The NPI number for Yau Tam is 1992054670. It was assigned to this individual provider in the NPPES registry on September 10, 2012.

Where is Yau Tam located?

Yau Tam practices at 6701 Fannin St Ste 200, Houston, TX 77030. The listed phone number is (832) 733-1003.

What is Yau Tam's specialty?

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

Is Yau Tam enrolled in Medicare?

Yes. Yau Tam is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Yau Tam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yau Tam reassigns Medicare benefits to Texas Children's Physician Group (Houston, 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 Yau Tam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Yau Tam 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 2 other insurers list Yau Tam 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 Yau Tam was last updated on August 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.