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DR. COLLIN EDWARD TAM O.D.
NPI 1942494299
Optometrist in Austin, TX

Active since August 30, 2007PECOS EnrolledAccepts Medicare Assignment
4800 BURNET RD STE A-100, AUSTIN, TX 78756(512) 407-9002(512) 309-5382 Get Directions Write a Review

NPPES record last updated: October 23, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Collin Edward Tam O.d. NPPES

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

DR. COLLIN EDWARD TAM O.D. (NPI 1942494299) is an individual optometrist in Austin, Texas, licensed in Texas (4880TG) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Houston - College Of Optometry (1993).

NPPES Registry Identity

NPI1942494299
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. COLLIN EDWARD TAMCredential: O.D.
Location Address4800 BURNET RD STE A-100Austin, TX 78756-2800
Mailing Address12918 Steeple Chase DrAustin, TX 78729-7336 · (512) 331-4096
Phone(512) 407-9002
Fax(512) 309-5382
Sole ProprietorYes
Medical School CMSUniversity Of Houston - College Of OptometryGraduated 1993
Enumeration DateAugust 30, 2007
Last NPPES UpdateOctober 23, 2013
✔ NPI 1942494299 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
Licenses✔ Licensed in TX · 4880TG✔ Licensed in CA · 10172✔ Licensed in HI · 413
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.
4800 BURNET RD STE A-100, Austin, TX 78756
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Other Identifiers 2

MedicaidPO80287ETX
Medicare UPINU47188

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. Collin Edward Tam 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 ID8224104179
PECOS Enrollment IDI20080829000305
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 Collin Tam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Aeg Texas Professional PLLC
86 mi
Optometrist
205B W WATER ST
Kerrville, TX 78028
  • Reassigned Medicare billing, Texas enrollment
  • 404 clinicians in this Medicare group
NPI 1457905937 (830) 896-2600

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 78756 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
$131.95 typical visit price
range $57.88 – $174.00
Typical copayment $32.98 (range $14.47 – $43.50)
Most-billed visit code 99204
Established Patient
$71.95 typical visit price
range $18.88 – $142.23
Typical copayment $17.98 (range $4.72 – $35.55)
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 Collin Tam's NPI number?

The NPI number for Collin Tam is 1942494299. It was assigned to this individual provider in the NPPES registry on August 30, 2007.

Where is Collin Tam located?

Collin Tam practices at 4800 Burnet Rd Ste A-100, Austin, TX 78756. The listed phone number is (512) 407-9002.

What is Collin Tam's specialty?

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

Is Collin Tam enrolled in Medicare?

Yes. Collin Tam 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 Collin Tam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Collin Tam reassigns Medicare benefits to Aeg Texas Professional PLLC (Kerrville, 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 Collin Tam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Collin 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 17 other insurers list Collin 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 Collin Tam was last updated on October 23, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.