NPPES file of Aug 9, 2026

Esther Lan, O.D.

Optometrist · Norwalk, CA

Esther Lan, O.D. is an optometrist with a practice address in Norwalk, California, and NPI 1275845117, issued on Jul 8, 2010. Check the license (California 13977, 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
1275845117
Name
Esther Lan
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
13977 CA
Self-reported in NPPES; status is on the state search
Practice location
13800 San Antonio Dr, Norwalk, CA 90650
Phone
(562) 864-6535
Enumerated
Jul 8, 2010
Record last updated
Sep 13, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(562) 864-6538
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 13800 San Antonio Dr

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

  1. Paul Crismon, O. D.Optometrist1417937087
  2. Tiffani Tsao, ODOptometrist1053157438

Verify Esther Lan 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 13977
    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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Esther Lan among 8,308 optometrist records in California

Esther Lan, 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 2010, is newer than 59% of them.

  • NPI issued2010 · 59% of these records are older, 39% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2018 · 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. Quynh Alcazar, ODNorwalk, CA 906501609599356
  2. Christopher Ciampa, O.D.Norwalk, CA 906501518952498
  3. Paul Crismon, O. D.Norwalk, CA 906501417937087
  4. Sydney Hong, O.D.Norwalk, CA 906501114018868
  5. John Larcabal, O.D.Norwalk, CA 906501639172273
  6. Michael Lee, O.D.Norwalk, CA 906501083820609
  7. Ernie Nghia, ODNorwalk, CA 906501740824010
  8. Roger Nomura, O.D.Norwalk, CA 906501861564254

Common questions

What is Esther Lan, O.D.'s NPI number?

Esther Lan, O.D.'s National Provider Identifier (NPI) is 1275845117, issued on Jul 8, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Esther Lan, O.D. located?

The NPPES record lists a practice address at 13800 San Antonio Dr, Norwalk, CA, 90650. Phone: (562) 864-6535. Providers update this record themselves, so call before visiting.

How can I verify Esther Lan, O.D.'s license?

NPPES lists California license number 13977, 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.