Trung Hoang Nguyen, O.D.
Optometrist · Lancaster, CA
Trung Hoang Nguyen, O.D. is an optometrist with a practice address in Lancaster, California, and NPI 1548572340, issued on Jul 8, 2010. Check the license (California 13978, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Trung Hoang Nguyen
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 13978 CA
Self-reported in NPPES; status is on the state search - Practice location
- 44407 10TH St W, Lancaster, CA 93534
- Phone
- (661) 942-3849
- Enumerated
- Jul 8, 2010
- Record last updated
- Jan 23, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (661) 723-9293
- Medicare enrollment
- Enrolled (PECOS I20110926000822); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 44407 10TH St W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Natalene AgopOptometrist1508499666
- Noor Al-Hassan, ODOptometrist1588208946
- Eduardo De SantiagoAudiologist-Hearing Aid Fitter1891548640
- Jenny Le, O.D.Optometrist1588998512
- Amber LindnerAudiologist-Hearing Aid Fitter1477833978
- Kirk Wallis, R.D.O.Optician1649315920
Verify Trung Hoang Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 13978Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average optometrist in 2024
167 Medicare Part D claims for 46 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.
Most prescribed
- Latanoprost98 claims
- Brimonidine Tartrate14 claims
- Neomycin-Polymyxin-Dexameth14 claims
- Dorzolamide-Timolol12 claims
- Restasis12 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.
Trung Hoang Nguyen among 8,308 optometrist records in California
Trung Hoang Nguyen, 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 2010, is newer than 59% of them.
- NPI issued2010 · 59% of these records are older, 39% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2010 · median 2008 among the 3,573 with a school on file
- Record last updated2017 · 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 Trung Hoang Nguyen, O.D.'s NPI number?
Trung Hoang Nguyen, O.D.'s National Provider Identifier (NPI) is 1548572340, issued on Jul 8, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Trung Hoang Nguyen, O.D. located?
The NPPES record lists a practice address at 44407 10TH St W, Lancaster, CA, 93534. Phone: (661) 942-3849. Providers update this record themselves, so call before visiting.
How can I verify Trung Hoang Nguyen, O.D.'s license?
NPPES lists California license number 13978, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Trung Hoang Nguyen, O.D. prescribe under Medicare Part D?
In 2024, Trung Hoang Nguyen, O.D. had 167 Medicare Part D claims for 46 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.