NPPES file of Aug 9, 2026

Chau Valdivia, OD

Optometrist · Anaheim, CA

Chau Valdivia, OD is an optometrist with a practice address in Anaheim, California, and NPI 1194206847, issued on Aug 21, 2018. Check the license (California 34289TLG, 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
1194206847
Name
Chau Valdivia
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
34289TLG CA
Self-reported in NPPES; status is on the state search
Practice location
947 S Anaheim Blvd Ste 230, Anaheim, CA 92805
Phone
(714) 491-0881
Enumerated
Aug 21, 2018
Record last updated
Jun 6, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 947 S Anaheim Blvd Ste 230

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

  1. Christopher Vargas, O.D.Optometrist1699845537

Verify Chau Valdivia 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 34289TLG
    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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93% fewer Medicare Part D claims than the average optometrist in 2024

19 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 89% of claims.

  1. Chau Valdivia19
  2. Specialty average277

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Chau Valdivia among 8,308 optometrist records in California

Chau Valdivia, 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 2018, is newer than 79% of them.

  • NPI issued2018 · 79% of these records are older, 19% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2022 · 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).

115 optometrist records list a practice address in Anaheim

They are 115 of the 9,018 NPPES records with a practice address in Anaheim, and 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Anthony Huynh, ODAnaheim, CA 928051073611885
  2. Donald Teshima, O.D.Anaheim, CA 928051306944814
  3. Christopher Vargas, O.D.Anaheim, CA 928051699845537
  4. Timothy Welton, O.D.Anaheim, CA 928051679560767
  5. Hershel Welton, O.D.Anaheim, CA 928051902894959
  6. Daniel Berry, ODAnaheim, CA 928061306956768
  7. Cindy Chang, O.D.Anaheim, CA 928041215145065
  8. David Fisher, O.D.Anaheim, CA 928041578547469

Common questions

What is Chau Valdivia, OD's NPI number?

Chau Valdivia, OD's National Provider Identifier (NPI) is 1194206847, issued on Aug 21, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Chau Valdivia, OD located?

The NPPES record lists a practice address at 947 S Anaheim Blvd Ste 230, Anaheim, CA, 92805. Phone: (714) 491-0881. Providers update this record themselves, so call before visiting.

How can I verify Chau Valdivia, OD's license?

NPPES lists California license number 34289TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Chau Valdivia, OD prescribe under Medicare Part D?

In 2024, Chau Valdivia, OD had 19 Medicare Part D claims; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions 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.