Sean Yamamoto
Optometrist · Ontario, CA
Sean Yamamoto is an optometrist with a practice address in Ontario, California, and NPI 1871560698, issued on Mar 1, 2006. Check the license (California 11326T, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Sean Yamamoto
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 11326T CA
Self-reported in NPPES; status is on the state search - Practice location
- 417 N Euclid Ave, Ontario, CA 91762
- Phone
- (909) 986-9951
- Enumerated
- Mar 1, 2006
- Record last updated
- Feb 24, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (909) 986-9812
- Medicaid ID
- SD0113260 CA
- Entity
- Type 1 · individual
Also registered at 417 N Euclid Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Beverly Nishitani, O.D.Optometrist1538136460
- Harvey Yamamoto, ODOptometrist1881661700
Verify Sean Yamamoto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 11326TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Optometrist providers in California
There are 8,308 optometrist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other optometrist records in California
- Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
- Saloumeh Abadi, ODSanta Monica, CA1699258756
- Davoud AbbasiFillmore, CA1902361678
- Christopher Abbott, O.D.Santee, CA1417936220
- Sara Abboud, ODAlbany, CA1649052846
- Ghezal Abdali, O.D.Tustin, CA1770688640
- Nahid Abdali, O.D.San Ramon, CA1700210242
- Yasmeen AbdelfattahIrvine, CA1417786617
- Marina Abdou, ODUpland, CA1356017321
- Angela Abe, OPTModesto, CA1336108885
Common questions
What is Sean Yamamoto's NPI number?
Sean Yamamoto's National Provider Identifier (NPI) is 1871560698, issued on Mar 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sean Yamamoto located?
The NPPES record lists a practice address at 417 N Euclid Ave, Ontario, CA, 91762. Phone: (909) 986-9951. Providers update this record themselves, so call before visiting.
How can I verify Sean Yamamoto's license?
NPPES lists California license number 11326T, 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. 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.