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DR. VANESSA LOO CHANG O.D.
NPI 1386869451
Optometrist in Mcallen, TX

Active since April 16, 2007PECOS EnrolledAccepts Medicare Assignment
318 W NOLANA AVE, MCALLEN, TX 78504(956) 664-0444(956) 664-0446 Get Directions Write a Review

NPPES record last updated: May 16, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Vanessa Loo Chang O.d. NPPES

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

DR. VANESSA LOO CHANG O.D. (NPI 1386869451) is an individual optometrist in Mcallen, Texas, licensed in Texas (2733T) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Houston - College Of Optometry (1980).

NPPES Registry Identity

NPI1386869451
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. VANESSA LOO CHANGCredential: O.D.
Location Address318 W NOLANA AVEMcallen, TX 78504-2528
Mailing Address318 W Nolana AveMcallen, TX 78504-2528 · (956) 664-0444 · Fax (956) 664-0446
Phone(956) 664-0444
Fax(956) 664-0446
Sole ProprietorNo
Medical School CMSUniversity Of Houston - College Of OptometryGraduated 1980
Enumeration DateApril 16, 2007
Last NPPES UpdateMay 16, 2012
✔ NPI 1386869451 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 · 2733T
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.
318 W NOLANA AVE, Mcallen, TX 78504
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Other Identifiers 4

Other2733TTX · Tx Optometry Liscense
Medicare UPINT91247TX
Medicare ID-Type Unspecified037005801TX
Medicaid037005801TX

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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Vanessa Loo Chang 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 ID5496918401
PECOS Enrollment IDI20120531000103
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78504 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.

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 Vanessa Chang's NPI number?

The NPI number for Vanessa Chang is 1386869451. It was assigned to this individual provider in the NPPES registry on April 16, 2007.

Where is Vanessa Chang located?

Vanessa Chang practices at 318 W Nolana Ave, Mcallen, TX 78504. The listed phone number is (956) 664-0444.

What is Vanessa Chang's specialty?

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

Is Vanessa Chang enrolled in Medicare?

Yes. Vanessa Chang 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.

What insurance does Vanessa Chang 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 8 other insurers list Vanessa Chang 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 Vanessa Chang was last updated on May 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.