Lisa Nguyen, O.D.
Optometrist · San Mateo, CA
Lisa Nguyen, O.D. is an optometrist with a practice address in San Mateo, California, and NPI 1235426289, issued on Jun 28, 2011. Check the license (California 14209, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lisa Nguyen
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 14209 CA
Self-reported in NPPES; status is on the state search - Practice location
- 138 E 3RD Ave, San Mateo, CA 94401
- Phone
- (650) 348-8818
- Enumerated
- Jun 28, 2011
- Record last updated
- Jan 3, 2022
- Fax
- (650) 348-8817
- Medicare enrollment
- Enrolled (PECOS I20120120000628); accepts Medicare assignment
- Medical or professional school
- University Of California - School Of Optometry, 2011
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 138 E 3RD Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katherine Lok Chan, ODOptometrist1336302637
Verify Lisa 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 14209Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average optometrist in 2024
93 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 19% of claims.
Most prescribed
- Latanoprost25 claims
- Erythromycin14 claims
- Timolol Maleate14 claims
- Cyclosporine12 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.
Bills Medicare through one group practice
- Permanente Medical Group IncRichmond, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lisa Nguyen among 8,308 optometrist records in California
Lisa 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 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 fileYes · 43% of these records are
- Graduated2011 · median 2008 among the 3,573 with a school on file
- Record last updated2022 · 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).
Optometrist providers in California
There are 8,308 optometrist records in California.
All 8,308 in California → Every provider in San Mateo → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Rosemary Buduan, O.D.San Mateo, CA 944011114085685
- Nicholas Chan, ODSan Mateo, CA 944011407870074
- Sandra Cheng, ODSan Mateo, CA 944011982711446
- Gary HamillSan Mateo, CA 944011699833152
- Sharon Ho, ODSan Mateo, CA 944011952415879
- Gary Lai, O.D.San Mateo, CA 944011679697023
- Susie Lee, O.D.San Mateo, CA 944011932257037
- Wendy Lin, ODSan Mateo, CA 944011922127125
Common questions
What is Lisa Nguyen, O.D.'s NPI number?
Lisa Nguyen, O.D.'s National Provider Identifier (NPI) is 1235426289, issued on Jun 28, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Lisa Nguyen, O.D. located?
The NPPES record lists a practice address at 138 E 3RD Ave, San Mateo, CA, 94401. Phone: (650) 348-8818. Providers update this record themselves, so call before visiting.
How can I verify Lisa Nguyen, O.D.'s license?
NPPES lists California license number 14209, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Lisa Nguyen, O.D. prescribe under Medicare Part D?
In 2024, Lisa Nguyen, O.D. had 93 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.