NPPES file of Aug 9, 2026

Trinh Ngoc Lien, O.D.

Optometrist · Brea, CA

Trinh Ngoc Lien, O.D. is an optometrist with a practice address in Brea, California, and NPI 1427108059, issued on Jan 12, 2007. Check the license (California 12608T, 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
1427108059
Name
Trinh Ngoc Lien
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
12608T CA
Self-reported in NPPES; status is on the state search
Practice location
1040 E Imperial Hwy, Brea, CA 92821
Phone
(714) 990-3888
Enumerated
Jan 12, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(714) 990-3952
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 1040 E Imperial Hwy

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

  1. Vilma Carter, O.D.Optometrist1902981343
  2. Elaine Hse, O.D.Optometrist1750431573

Verify Trinh Ngoc Lien 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 12608T
    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
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Industry payments in 2024: $61.41

1 payment: food and beverage; the largest payer was CooperVision Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Trinh Lien$61.41
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Trinh Ngoc Lien among 8,308 optometrist records in California

Trinh Ngoc Lien, 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 2007, is newer than 34% of them.

  • NPI issued2007 · 34% of these records are older, 46% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2007 · 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).

26 optometrist records list a practice address in Brea

They are 26 of the 1,052 NPPES records with a practice address in Brea, and 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Diane Almanza, O.D.Brea, CA 928211790823839
  2. Vilma Carter, O.D.Brea, CA 928211902981343
  3. Isabell Choi-Siritaratiwat, ODBrea, CA 928211265514269
  4. Vinh Dang, O.D.Brea, CA 928211699746917
  5. Elaine Hse, O.D.Brea, CA 928211750431573
  6. Benjamin MarumotoBrea, CA 928211821134891
  7. Lisa Matsui, O.D.Brea, CA 928211366502981
  8. Liz Nguyen, O.D.Brea, CA 928211528039740

Common questions

What is Trinh Ngoc Lien, O.D.'s NPI number?

Trinh Ngoc Lien, O.D.'s National Provider Identifier (NPI) is 1427108059, issued on Jan 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Trinh Ngoc Lien, O.D. located?

The NPPES record lists a practice address at 1040 E Imperial Hwy, Brea, CA, 92821. Phone: (714) 990-3888. Providers update this record themselves, so call before visiting.

How can I verify Trinh Ngoc Lien, O.D.'s license?

NPPES lists California license number 12608T, 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. 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.