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Effie Sen, O.D.
NPI 1417017385 · Optometrist · Diamond Bar, CA
Effie Sen, O.D. is a Optometrist provider in Diamond Bar, CA (NPI 1417017385).
Provider details
- NPI number
- 1417017385
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- No
- License
- OPT12773TPA (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1255 S Diamond Bar Blvd
Diamond Bar, CA 91765-4122
Phone: (909) 861-3737
Fax: (909) 396-7517
Street-level locationGet directions
Mailing address
23641 Golden Springs Dr Unit 8c
Diamond Bar, CA 91765-2168
Registry dates
- Enumerated
- 2006-12-11
- Last updated
- 2023-03-07
Frequently asked questions
- What is Effie Sen's NPI number?
- Effie Sen's National Provider Identifier (NPI) is 1417017385, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Effie Sen's specialty?
- Effie Sen is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Effie Sen located?
- Effie Sen's practice location on file with NPPES is 1255 S Diamond Bar Blvd, Diamond Bar, CA 91765-4122.
- What is Effie Sen's phone number?
- The practice phone number listed in the NPPES registry for Effie Sen is (909) 861-3737.
- Is Effie Sen's NPI active?
- Yes — Effie Sen's NPI (1417017385) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.