DR. DENNIS MICHAEL CHANG O.D.
NPI 1568687630
Optometrist in Weslaco, TX

Q: What is Dennis Chang's NPI number?

The NPI number for Dennis Chang is 1568687630. It was assigned to this individual provider in the NPPES registry on April 16, 2007.

Q: What is Dennis Chang'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 Dennis Chang was last updated on May 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 April 16, 2007PECOS Enrolled

601 E EXPRESSWAY 83 STE 100B, WESLACO, TX 78599(956) 969-2816(956) 968-6956 Get Directions Write a Review

NPPES record last updated: May 17, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 17, 2022, Dec 10, 2015 (2 updates tracked since 2015).

On this page

About Dr. Dennis Michael Chang O.d. NPPES

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

DR. DENNIS MICHAEL CHANG O.D. (NPI 1568687630) is an individual optometrist in Weslaco, Texas, licensed in Texas (4067T) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1568687630

Entity TypeIndividualMale

Primary Taxonomy152W00000X

Provider Legal NameDR. DENNIS MICHAEL CHANGCredential: O.D.

Location Address601 E EXPRESSWAY 83 STE 100BWeslaco, TX 78599-4978

Mailing Address401 E Newport LnMcallen, TX 78501-1144 · (956) 682-4747

Phone(956) 969-2816

Fax(956) 968-6956

Sole ProprietorYes

Enumeration DateApril 16, 2007

Last NPPES UpdateMay 17, 20222 updates tracked since enumeration

NPPES CertifiedMay 17, 2022

✔ NPI 1568687630 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 · 4067T

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.

601 E EXPRESSWAY 83 STE 100B, Weslaco, TX 78599

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Other Identifiers 1

MedicaidPO-80289E4TX

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 (PECOS)

Dr. Dennis Michael Chang 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78599 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 Dennis Chang's NPI number?

The NPI number for Dennis Chang is 1568687630. It was assigned to this individual provider in the NPPES registry on April 16, 2007.

Where is Dennis Chang located?

Dennis Chang practices at 601 E Expressway 83 Ste 100B, Weslaco, TX 78599. The listed phone number is (956) 969-2816.

What is Dennis Chang's specialty?

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

Is Dennis Chang enrolled in Medicare?

Yes. Dennis Chang is registered in the Medicare PECOS enrollment system.

What insurance does Dennis 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 5 other insurers list Dennis 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 Dennis Chang was last updated on May 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.