Richard Bao Nguyen, OD
Optometrist · South San Francisco, CA
Richard Bao Nguyen, OD is an optometrist with a practice address in South San Francisco, California, and NPI 1225652308, issued on Jun 3, 2020. Check the license (California 35925, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Richard Bao Nguyen
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- 35925 CA
1057 NV
Self-reported in NPPES; status is on the state search - Practice location
- 988 EL Camino Real Ste 5, South San Francisco, CA 94080
- Phone
- (650) 866-4641
- Enumerated
- Jun 3, 2020
- Record last updated
- Apr 7, 2025
- Medicare enrollment
- Enrolled (PECOS I20251120003027); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 988 EL Camino Real Ste 5
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Chew, O.D.Optometrist1093788572
Verify Richard Bao 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 35925Check 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: $24.48
1 payment: food and beverage; the largest payer was Alcon Vision LLC. 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.
Richard Bao Nguyen among 8,308 optometrist records in California
Richard Bao Nguyen, OD 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 fileYes · 43% of these records are
- Graduated2020 · median 2008 among the 3,573 with a school on file
- Record last updated2025 · 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).
17 optometrist records list a practice address in South San Francisco
They are 17 of the 1,173 NPPES records with a practice address in South San Francisco, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in South San Francisco → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Michael Chew, O.D.South San Francisco, CA 940801093788572
- Christian Chew, ODSouth San Francisco, CA 940801174134373
- Kenneth Chiu, O.D.South San Francisco, CA 940801043376411
- Khanh Dao, ODSouth San Francisco, CA 940801275608143
- John Eng, O.D.South San Francisco, CA 940801104942127
- Marianne Florendo, ODSouth San Francisco, CA 940801447667621
- Joanne Gwo, O.D.South San Francisco, CA 940801083900336
- Tsungming Hung, O.D.South San Francisco, CA 940801750827374
Common questions
What is Richard Bao Nguyen, OD's NPI number?
Richard Bao Nguyen, OD's National Provider Identifier (NPI) is 1225652308, issued on Jun 3, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Richard Bao Nguyen, OD located?
The NPPES record lists a practice address at 988 EL Camino Real Ste 5, South San Francisco, CA, 94080. Phone: (650) 866-4641. Providers update this record themselves, so call before visiting.
How can I verify Richard Bao Nguyen, OD's license?
NPPES lists California license number 35925, 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.