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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

RYAN CHANG OD
NPI 1811823818
Optometrist in Pearland, TX

Active since June 18, 2026PECOS Enrolled
3610 SHELDON DR, PEARLAND, TX 77584(281) 818-1677 Get Directions Write a Review

NPPES record added: June 18, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ryan Chang Od NPPES

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

RYAN CHANG OD (NPI 1811823818) is an individual optometrist in Pearland, Texas, licensed in Texas (11683) and active in the NPI registry since June 2026. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811823818
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameRYAN CHANGCredential: OD
Location Address3610 SHELDON DRPearland, TX 77584-8379
Mailing Address3610 Sheldon DrPearland, TX 77584-8379 · (281) 818-1677
Phone(281) 818-1677
Sole ProprietorYes
Enumeration DateJune 18, 2026
NPPES CertifiedJune 12, 2026
✔ NPI 1811823818 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 · 11683
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.
3610 SHELDON DR, Pearland, TX 77584
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ryan Chang Od 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 77584 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
$131.03 typical visit price
range $57.16 – $172.89
Typical copayment $32.75 (range $14.29 – $43.22)
Most-billed visit code 99204
Established Patient
$71.28 typical visit price
range $18.45 – $141.27
Typical copayment $17.82 (range $4.61 – $35.31)
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 Ryan Chang's NPI number?

The NPI number for Ryan Chang is 1811823818. It was assigned to this individual provider in the NPPES registry on June 18, 2026.

Where is Ryan Chang located?

Ryan Chang practices at 3610 Sheldon Dr, Pearland, TX 77584. The listed phone number is (281) 818-1677.

What is Ryan Chang's specialty?

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

Is Ryan Chang enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Ryan Chang was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 52 days 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.