NPPES file of Aug 9, 2026

Fayeen Tsai, O.D.

Optometrist · San Gabriel, CA

Fayeen Tsai, O.D. is an optometrist with a practice address in San Gabriel, California, and NPI 1598792210, issued on Jun 27, 2006. Check the license (California 11767, 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
1598792210
Name
Fayeen Tsai
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
11767 CA
Self-reported in NPPES; status is on the state search
Practice location
140 W Valley Blvd, San Gabriel, CA 91776
Phone
(626) 288-8023
Enumerated
Jun 27, 2006
Record last updated
Jan 3, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(626) 288-8023
Medicaid ID
SD0117670 CA
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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8 nearest optometrist records → All 8,308 in California → Look up another NPI →

Also registered at 140 W Valley Blvd

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

  1. Christine Chen, O.D.Optometrist1861709057
  2. Hsiao- Fen Chen, M.DFamily Medicine Physician1366483497
  3. Wei Chu, O.DOptometrist1205217940
  4. Julie Kao, O.D.Optometrist1366798886
  5. Jiyen Shin, O.D.Optometrist1760411169
  6. Jan Tung, O.D.Optometrist1184979072

Verify Fayeen Tsai 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 11767    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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94% fewer Medicare Part D claims than the average optometrist in 2024

16 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 100% of claims.

  1. Fayeen Tsai16
  2. Specialty average277

Most prescribed

  1. Cyclosporine15 claims

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.

Fayeen Tsai among 8,308 optometrist records in California

Fayeen Tsai, O.D. 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 66% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2020 · 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).

30 optometrist records list a practice address in San Gabriel

They are 30 of the 762 NPPES records with a practice address in San Gabriel, and 8,308 optometrist records in California.

All 8,308 in California → Every provider in San Gabriel → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Garry Chan, O.D.San Gabriel, CA 917761922216373
  2. William Chang, ODSan Gabriel, CA 917761629206834
  3. Karen Chao, O.D.San Gabriel, CA 917761013953108
  4. Christine Chen, O.D.San Gabriel, CA 917761861709057
  5. Jennifer Chen, O.D.San Gabriel, CA 917761649570375
  6. Cindy Chou, O.D.San Gabriel, CA 917761982853537
  7. James Chung, O.D.San Gabriel, CA 917761194818518
  8. Jia Lao, O.D.San Gabriel, CA 917761598965568

Common questions

What is Fayeen Tsai, O.D.'s NPI number?

Fayeen Tsai, O.D.'s National Provider Identifier (NPI) is 1598792210, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Fayeen Tsai, O.D. located?

The NPPES record lists a practice address at 140 W Valley Blvd, San Gabriel, CA, 91776. Phone: (626) 288-8023. Providers update this record themselves, so call before visiting.

How can I verify Fayeen Tsai, O.D.'s license?

NPPES lists California license number 11767, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Fayeen Tsai, O.D. prescribe under Medicare Part D?

In 2024, Fayeen Tsai, O.D. had 16 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.