NPPES file of Aug 9, 2026

Yau Han Eva Chung, OD

Optometrist · Walnut Creek, CA

Yau Han Eva Chung, OD is an optometrist with a practice address in Walnut Creek, California, and NPI 1275373417, issued on May 27, 2024. Check the license (California 35670, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275373417
Name
Yau Han Eva Chung
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
35670 CA
Self-reported in NPPES; status is on the state search
Practice location
350 N Wiget LN Ste 200, Walnut Creek, CA 94598
Phone
(925) 934-7800
Enumerated
May 27, 2024
Record last updated
Jun 14, 2026
Fax
(925) 933-9547
Medicare enrollment
Enrolled (PECOS I20240801002765); accepts Medicare assignment
Medical or professional school
Southern California College Of Optometry, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 350 N Wiget LN Ste 200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. David Gilbert, MDOphthalmology Physician1033297536
  2. Yen Hsia, MDOphthalmology Physician1326468661

Verify Yau Han Eva Chung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 35670
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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Industry payments in 2024: $277.62

3 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Yau Han Eva Chung$277.62
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. David D Gilbert MD IncWalnut Creek, CA
  2. Regents OF The University OF California AT BerkeleyBerkeley, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Yau Han Eva Chung among 8,308 optometrist records in California

Yau Han Eva Chung, OD is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 94% of them.

  • NPI issued2024 · 94% of these records are older, 4% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2024 · median 2008 among the 3,573 with a school on file
  • Record last updated2026 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in California

There are 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Lina Chan, ODWalnut Creek, CA 945981659358042
  2. Judy Chang, O.D.Walnut Creek, CA 945981316090384
  3. Janine Chen, O.D.Walnut Creek, CA 945981851455778
  4. Robert Cheung, O.D.Walnut Creek, CA 945981649251232
  5. Niki Forghani, ODWalnut Creek, CA 945981477600856
  6. Julienne Heene, O.D.Walnut Creek, CA 945981194876987
  7. Tammy Hong, O.D.Walnut Creek, CA 945981790753960
  8. Kenneth Lee, O.D.Walnut Creek, CA 945981023168614

Common questions

What is Yau Han Eva Chung, OD's NPI number?

Yau Han Eva Chung, OD's National Provider Identifier (NPI) is 1275373417, issued on May 27, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Yau Han Eva Chung, OD located?

The NPPES record lists a practice address at 350 N Wiget LN Ste 200, Walnut Creek, CA, 94598. Phone: (925) 934-7800. Providers update this record themselves, so call before visiting.

How can I verify Yau Han Eva Chung, OD's license?

NPPES lists California license number 35670, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.