NPPES file of Aug 9, 2026

Calvin Chan, OD

Optometrist · Los Angeles, CA

Calvin Chan, OD is an optometrist with a practice address in Los Angeles, California, and NPI 1639067457, issued on Jun 27, 2025. Check the license (California OPT35953-TLG, 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.

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

NPPES recordNPPES file of Aug 9, 2026
1639067457
Name
Calvin Chan
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
OPT35953-TLG CA
Self-reported in NPPES; status is on the state search
Practice location
833 S Western Ave Ste 2, Los Angeles, CA 90005
Phone
(213) 384-1001
Enumerated
Jun 27, 2025
Record last updated
Jul 6, 2025
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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Verify Calvin Chan 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 OPT35953-TLG
    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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Calvin Chan among 8,308 optometrist records in California

Calvin Chan, 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 not. Its NPI, issued in 2025, is newer than 96% of them.

  • NPI issued2025 · 96% of these records are older, 1% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2025 · 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.

The 8 optometrist records with the nearest ZIP codes

  1. Michelle Kim, ODLos Angeles, CA 900051588713119
  2. Daye Kim, O.D.Los Angeles, CA 900051710290382
  3. Helen Kondo, ODLos Angeles, CA 900051023299716
  4. Yenna Lee, ODLos Angeles, CA 900051134842461
  5. Bonnie Rosenberg, ODLos Angeles, CA 900051861915225
  6. Jin Seo, O.D.Los Angeles, CA 900051487347019
  7. Aeree Son, O.D.Los Angeles, CA 900051023394228
  8. Jeffrey Taranto, O.D.Los Angeles, CA 900051285798504

Common questions

What is Calvin Chan, OD's NPI number?

Calvin Chan, OD's National Provider Identifier (NPI) is 1639067457, issued on Jun 27, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Calvin Chan, OD located?

The NPPES record lists a practice address at 833 S Western Ave Ste 2, Los Angeles, CA, 90005. Phone: (213) 384-1001. Providers update this record themselves, so call before visiting.

How can I verify Calvin Chan, OD's license?

NPPES lists California license number OPT35953-TLG, 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.