Denise Nguyen
Optometrist · Westminster, CA
Denise Nguyen is an optometrist with a practice address in Westminster, California, and NPI 1457977662, issued on Jun 23, 2020. Check the license (California 34545, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Denise Nguyen
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 34545 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9600 Bolsa Ave Ste C, Westminster, CA 92683
- Phone
- (714) 775-7045
- Enumerated
- Jun 23, 2020
- Record last updated
- Mar 6, 2024
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Denise 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 34545Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% more Medicare Part D claims than the average optometrist in 2024
354 Medicare Part D claims for 91 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 62% of claims.
Most prescribed
- Latanoprost130 claims
- Cyclosporine73 claims
- Restasis49 claims
- Dorzolamide-Timolol21 claims
- Timolol Maleate14 claims
- Combigan12 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.
Industry payments in 2024: $52.49
2 payments; by number, the most common kind was 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Denise Nguyen among 8,308 optometrist records in California
Denise Nguyen 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 2020, is newer than 84% of them.
- NPI issued2020 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2024 · 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).
47 optometrist records list a practice address in Westminster
They are 47 of the 1,306 NPPES records with a practice address in Westminster, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Westminster → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Eric Bass, O.D.Westminster, CA 926831780765289
- Thinh Do, ODWestminster, CA 926831932202132
- Lance Ikemoto, O.D.Westminster, CA 926831356491021
- Lynne Louie Luu, O. D.Westminster, CA 926831922093269
- Janet Nghiem, O.D.Westminster, CA 926831588752356
- Chau Nguyen, O.D.Westminster, CA 926831962473181
- Diem Nguyen, ODWestminster, CA 926831215020490
- Tim Nguyen, O.D., M.P.H.Westminster, CA 926831972667079
Common questions
What is Denise Nguyen's NPI number?
Denise Nguyen's National Provider Identifier (NPI) is 1457977662, issued on Jun 23, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Denise Nguyen located?
The NPPES record lists a practice address at 9600 Bolsa Ave Ste C, Westminster, CA, 92683. Phone: (714) 775-7045. Providers update this record themselves, so call before visiting.
How can I verify Denise Nguyen's license?
NPPES lists California license number 34545, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Denise Nguyen prescribe under Medicare Part D?
In 2024, Denise Nguyen had 354 Medicare Part D claims for 91 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.