Loan Xuan Trinh, O.D
Optometrist · Lancaster, CA
Loan Xuan Trinh, O.D is an optometrist with a practice address in Lancaster, California, and NPI 1992091243, issued on Jun 24, 2011. Check the license (California 14204, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Loan Xuan Trinh
- Credential
- O.D
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 14204 CA
Self-reported in NPPES; status is on the state search - Practice location
- 43112 15TH St W, Lancaster, CA 93534
- Phone
- (661) 729-4093
- Enumerated
- Jun 24, 2011
- Record last updated
- Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 43112 15TH St W
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Vardan Babayan, PHARMD.Ambulatory Care Pharmacist1215486287
- Julia Backs, CPNP-PCNurse Practitioner1184091290
Verify Loan Xuan Trinh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 14204Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average optometrist in 2024
150 Medicare Part D claims for 78 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.
Most prescribed
- Cyclosporine53 claims
- Latanoprost48 claims
- Erythromycin11 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.
Loan Xuan Trinh among 8,308 optometrist records in California
Loan Xuan 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 2011, is newer than 61% of them.
- NPI issued2011 · 61% of these records are older, 36% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2021 · 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).
37 optometrist records list a practice address in Lancaster
They are 37 of the 4,273 NPPES records with a practice address in Lancaster, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Lancaster → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Jeffrey Clark, ODLancaster, CA 935341053574657
- Michael Holub, ODLancaster, CA 935341568432730
- Steven Israel, OPTOMETRISTLancaster, CA 935341689724585
- Melanie Jedrusiak, O.D.Lancaster, CA 935341700071834
- Josephine Lai, O.D.Lancaster, CA 935341225068836
- Jenny Le, O.D.Lancaster, CA 935341588998512
- Jerry Martin, O.D.Lancaster, CA 935341679543821
- Mark Mewborne, ODLancaster, CA 935341396880787
Common questions
What is Loan Xuan Trinh, O.D's NPI number?
Loan Xuan Trinh, O.D's National Provider Identifier (NPI) is 1992091243, issued on Jun 24, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Loan Xuan Trinh, O.D located?
The NPPES record lists a practice address at 43112 15TH St W, Lancaster, CA, 93534. Phone: (661) 729-4093. Providers update this record themselves, so call before visiting.
How can I verify Loan Xuan Trinh, O.D's license?
NPPES lists California license number 14204, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Loan Xuan Trinh, O.D prescribe under Medicare Part D?
In 2024, Loan Xuan Trinh, O.D had 150 Medicare Part D claims for 78 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.