Thomas Chong, O.D.
Optometrist · San Francisco, CA
Thomas Chong, O.D. is an optometrist with a practice address in San Francisco, California, and NPI 1558351908, issued on Oct 26, 2005. Check the license (California 5374T, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Thomas Chong
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 5374T CA
Self-reported in NPPES; status is on the state search - Practice location
- 414 20TH Ave, San Francisco, CA 94121
- Phone
- (415) 668-1221
- Enumerated
- Oct 26, 2005
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Thomas Chong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 5374TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Thomas Chong among 8,308 optometrist records in California
Thomas Chong, 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 not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,308 in California → Every provider in San Francisco → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Marta Banh, O.D.San Francisco, CA 941211568717213
- Geri Cheng, O.D.San Francisco, CA 941211003959750
- Bernard Dolan, O.D.San Francisco, CA 941211912017179
- Jimmy Fong, O.D.San Francisco, CA 941211982625042
- Heather Jones, O.D.San Francisco, CA 941211437461175
- Isabel Kazemi, ODSan Francisco, CA 941211972572980
- Bonnie Lau, O.D.San Francisco, CA 941211255563755
- Michael Makedonsky, ODSan Francisco, CA 941211093774150
Common questions
What is Thomas Chong, O.D.'s NPI number?
Thomas Chong, O.D.'s National Provider Identifier (NPI) is 1558351908, issued on Oct 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Chong, O.D. located?
The NPPES record lists a practice address at 414 20TH Ave, San Francisco, CA, 94121. Phone: (415) 668-1221. Providers update this record themselves, so call before visiting.
How can I verify Thomas Chong, O.D.'s license?
NPPES lists California license number 5374T, 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. 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.