Effie Sen, O.D.
Optometrist · Diamond Bar, CA
Effie Sen, O.D. is an optometrist with a practice address in Diamond Bar, California, and NPI 1417017385, issued on Dec 11, 2006. Check the license (California OPT12773TPA, 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
- Effie Sen
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT12773TPA CA
Self-reported in NPPES; status is on the state search - Practice location
- 1255 S Diamond Bar Blvd, Diamond Bar, CA 91765
- Phone
- (909) 861-3737
- Enumerated
- Dec 11, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (909) 396-7517
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 1255 S Diamond Bar Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Natalie Hoshi, O.D.Pediatric Optometrist1053576124
- Salena Quach, ODOptometrist1902475825
Verify Effie Sen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT12773TPACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Effie Sen among 8,308 optometrist records in California
Effie Sen, 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 not. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 66% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2023 · 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).
8 optometrist records list a practice address in Diamond Bar
They are 8 of the 598 NPPES records with a practice address in Diamond Bar, and 8,308 optometrist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,308 in California → Every provider in Diamond Bar → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Taylor Bladh, O.D.Diamond Bar, CA 917651467527028
- Jennifer Grove, O.D.Diamond Bar, CA 917651659414316
- Amanda La, O.D.Diamond Bar, CA 917651912444670
- Salena Quach, ODDiamond Bar, CA 917651902475825
- Kimberly ShihDiamond Bar, CA 917651083398853
- Chris Zapper, O.D.Diamond Bar, CA 917651740358399
- Eric ZhangDiamond Bar, CA 917651982282760
- Arsineh Amirkhanian, ODOntario, CA 917641043839897
Common questions
What is Effie Sen, O.D.'s NPI number?
Effie Sen, O.D.'s National Provider Identifier (NPI) is 1417017385, issued on Dec 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Effie Sen, O.D. located?
The NPPES record lists a practice address at 1255 S Diamond Bar Blvd, Diamond Bar, CA, 91765. Phone: (909) 861-3737. Providers update this record themselves, so call before visiting.
How can I verify Effie Sen, O.D.'s license?
NPPES lists California license number OPT12773TPA, 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.