David Dzung Nguyen, O.D.
Optometrist · Westminster, CA
David Dzung Nguyen, O.D. is an optometrist with a practice address in Westminster, California, and NPI 1790805455, issued on Mar 29, 2007. Check the license (California 9951T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Dzung Nguyen
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 9951T CA
Self-reported in NPPES; status is on the state search - Practice location
- 6731 Westminster Blvd Ste 102, Westminster, CA 92683
- Phone
- (714) 379-5495
- Enumerated
- Mar 29, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (714) 379-5497
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify David Dzung 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 9951TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $151.76
4 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.
David Dzung Nguyen among 8,308 optometrist records in California
David Dzung 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 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).
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 David Dzung Nguyen, O.D.'s NPI number?
David Dzung Nguyen, O.D.'s National Provider Identifier (NPI) is 1790805455, issued on Mar 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David Dzung Nguyen, O.D. located?
The NPPES record lists a practice address at 6731 Westminster Blvd Ste 102, Westminster, CA, 92683. Phone: (714) 379-5495. Providers update this record themselves, so call before visiting.
How can I verify David Dzung Nguyen, O.D.'s license?
NPPES lists California license number 9951T, 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.