Phong Quoc Nguyen, O.D.
Optometrist · West Covina, CA
Phong Quoc Nguyen, O.D. is an optometrist with a practice address in West Covina, California, and NPI 1710972195, issued on Sep 13, 2005. Check the license (California 11932T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Phong Quoc Nguyen
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 11932T CA
Self-reported in NPPES; status is on the state search - Practice location
- 2402 S Azusa Ave, West Covina, CA 91792
- Phone
- (626) 810-4535
- Enumerated
- Sep 13, 2005
- Record last updated
- Nov 24, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (626) 810-7371
- Medicaid ID
- SD0119320 CA
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Phong Quoc 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 11932TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average optometrist in 2024
160 Medicare Part D claims for 77 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 91% of claims.
Most prescribed
- Cyclosporine67 claims
- Restasis55 claims
- Neomycin-Polymyxin-Dexameth14 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.
Phong Quoc Nguyen among 8,308 optometrist records in California
Phong Quoc 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2009 · 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).
30 optometrist records list a practice address in West Covina
They are 30 of the 2,450 NPPES records with a practice address in West Covina, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in West Covina → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Shannon Alturas, O.D.West Covina, CA 917921609095090
- Christine Chang, O.D.West Covina, CA 917921407860885
- Dennis Cheng, ODWest Covina, CA 917921497817886
- James Cheung, OPTOMETRISTWest Covina, CA 917921780734152
- Jeffrey-Jonathan Granados, O.D.West Covina, CA 917921639566078
- Janice Hung, ODWest Covina, CA 917921750917936
- Jamie Peredo, O.D.West Covina, CA 917921801172077
- Roger Wu, O.D.West Covina, CA 917921063400604
Common questions
What is Phong Quoc Nguyen, O.D.'s NPI number?
Phong Quoc Nguyen, O.D.'s National Provider Identifier (NPI) is 1710972195, issued on Sep 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Phong Quoc Nguyen, O.D. located?
The NPPES record lists a practice address at 2402 S Azusa Ave, West Covina, CA, 91792. Phone: (626) 810-4535. Providers update this record themselves, so call before visiting.
How can I verify Phong Quoc Nguyen, O.D.'s license?
NPPES lists California license number 11932T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Phong Quoc Nguyen, O.D. prescribe under Medicare Part D?
In 2024, Phong Quoc Nguyen, O.D. had 160 Medicare Part D claims for 77 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.