Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

YAU HAN EVA CHUNG OD
NPI 1275373417
Optometrist in Walnut Creek, CA

Q: What is Yau Han Eva Chung's NPI number?

The NPI number for Yau Han Eva Chung is 1275373417. It was assigned to this individual provider in the NPPES registry on May 27, 2024.

Q: What is Yau Han Eva Chung'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 Han Eva Chung was last updated on June 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 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.

Active since May 27, 2024PECOS EnrolledAccepts Medicare Assignment

350 N WIGET LN STE 200, WALNUT CREEK, CA 94598(925) 934-7800(925) 933-9547 Get Directions Write a Review

NPPES record last updated: June 14, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 2, 2026, May 13, 2025 (2 updates tracked since 2025).

On this page

About Yau Han Eva Chung Od NPPES

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

YAU HAN EVA CHUNG OD (NPI 1275373417) is an individual optometrist in Walnut Creek, California, licensed in California (35670) and active in the NPI registry since May 2024. She is enrolled in Medicare PECOS and is a graduate of Southern California College Of Optometry (2024).

NPPES Registry Identity

NPI1275373417

Entity TypeIndividualFemale

Primary Taxonomy152W00000X

Provider Legal NameYAU HAN EVA CHUNGCredential: OD

Location Address350 N WIGET LN STE 200Walnut Creek, CA 94598-2448

Mailing Address350 N Wiget Ln Ste 200Walnut Creek, CA 94598-2448 · (925) 325-2586

Phone(925) 934-7800

Fax(925) 933-9547

Sole ProprietorNo

Medical School CMSSouthern California College Of OptometryGraduated 2024

Enumeration DateMay 27, 2024

Last NPPES UpdateJune 14, 20262 updates tracked since enumeration

NPPES CertifiedJune 14, 2026

✔ NPI 1275373417 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 CA · 35670

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.

350 N WIGET LN STE 200, Walnut Creek, CA 94598

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma 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

Yau Han Eva Chung Od 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 ID3476090978

PECOS Enrollment IDI20240801002765

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 94598 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

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

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.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DAVID D. GILBERT MD

Ophthalmology

350 N WIGET LN STE 200
WALNUT CREEK, CA 94598

Contra Costa County (925) 934-7800

YEN CHENG HSIA MD

Ophthalmology

350 N WIGET LN STE 200
WALNUT CREEK, CA 94598

Contra Costa County (925) 934-7800

DAVID D. GILBERT

Ophthalmology

350 N WIGET LN STE 200
WALNUT CREEK, CA 94598

Contra Costa County (925) 934-7800

DAVID D. GILBERT, MD, INC

Ophthalmology

350 N WIGET LN STE 200
WALNUT CREEK, CA 94598

Contra Costa County (925) 934-7800

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 Han Eva Chung's NPI number?

The NPI number for Yau Han Eva Chung is 1275373417. It was assigned to this individual provider in the NPPES registry on May 27, 2024.

Where is Yau Han Eva Chung located?

Yau Han Eva Chung practices at 350 N Wiget Ln Ste 200, Walnut Creek, CA 94598. The listed phone number is (925) 934-7800.

What is Yau Han Eva Chung's specialty?

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

Is Yau Han Eva Chung enrolled in Medicare?

Yes. Yau Han Eva Chung 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 Yau Han Eva Chung accept?

Health plans from Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list Yau Han Eva Chung 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 Han Eva Chung was last updated on June 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 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.