NPPES file of Aug 9, 2026

Lillian Trinh, O.D.

Optometrist · Los Angeles, CA

Lillian Trinh, O.D. is an optometrist with a practice address in Los Angeles, California, and NPI 1447704168, issued on Aug 10, 2016. Check the license (California 33561, 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
1447704168
Name
Lillian Trinh
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
33561 CA
Self-reported in NPPES; status is on the state search
Practice location
767 N Hill St Ste 200, Los Angeles, CA 90012
Phone
(213) 808-1700
Enumerated
Aug 10, 2016
Record last updated
Sep 28, 2018 (not updated in 8 years: call before relying on the address or phone)
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 767 N Hill St Ste 200

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

  1. Eric Cheung, PA-CPhysician Assistant1013421973
  2. Kristine ChienPhysician Assistant1386310613
  3. Jae Choe, DOFamily Medicine Physician1144849910
  4. Yenling HernandezPhysician Assistant1811507452
  5. Chu Yu HuangFamily Nurse Practitioner1184241606
  6. Kelly Lien, D.D.S.General Practice Dentistry1043690696

Verify Lillian Trinh 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 33561
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3% more Medicare Part D claims than the average optometrist in 2024

284 Medicare Part D claims for 98 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.

  1. Lillian Trinh284
  2. Specialty average277

Most prescribed

  1. Azelastine Hcl180 claims
  2. Cyclosporine47 claims
  3. Restasis23 claims
  4. Latanoprost12 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.

Lillian Trinh among 8,308 optometrist records in California

Lillian Trinh, 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 2016, is newer than 73% of them.

  • NPI issued2016 · 73% of these records are older, 24% newer
  • In a Medicare fileYes · 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.

The 8 optometrist records with the nearest ZIP codes

  1. Jennifer Chin, O.D.Los Angeles, CA 900121013203090
  2. Chang Kim, ODLos Angeles, CA 900121083639181
  3. Jimmy Lee, ODLos Angeles, CA 900121750424339
  4. Terra Leight, ODLos Angeles, CA 900121447781315
  5. Kelly LeongLos Angeles, CA 900121992331110
  6. Judy Liao, O.D.Los Angeles, CA 900121265449730
  7. Paula Limchaiyawat, O.D.Los Angeles, CA 900121922430495
  8. Tina Patel, O.D.Los Angeles, CA 900121174702294

Common questions

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

Lillian Trinh, O.D.'s National Provider Identifier (NPI) is 1447704168, issued on Aug 10, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Lillian Trinh, O.D. located?

The NPPES record lists a practice address at 767 N Hill St Ste 200, Los Angeles, CA, 90012. Phone: (213) 808-1700. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number 33561, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Lillian Trinh, O.D. prescribe under Medicare Part D?

In 2024, Lillian Trinh, O.D. had 284 Medicare Part D claims for 98 beneficiaries; 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.

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.