What is Frederick Si's NPI number?

Frederick Si's National Provider Identifier (NPI) is 1649471897, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Frederick Si's specialty?

Frederick Si is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).

Where is Frederick Si located?

Frederick Si's practice location on file with NPPES is 426 W Carson St, Carson, CA 90745.

What is Frederick Si's phone number?

The practice phone number listed in the NPPES registry for Frederick Si is (310) 533-1947.

Is Frederick Si's NPI active?

Yes — Frederick Si's NPI (1649471897) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Frederick Si, DDS

NPI 1649471897 · General Practice Dentistry · Carson, CA

Frederick Si, DDS is a General Practice Dentistry provider in Carson, CA (NPI 1649471897).

Provider details

NPI number: 1649471897
Entity type: Individual
Primary specialty: General Practice DentistryDental Providers
Credential: DDS
Sex: Male
Sole proprietor: No
License: 38133 (CA)

Specialties & taxonomies

General Practice DentistryPrimary1223G0001XLicense 38133 (CA)
Dental Providers

Profile Score

Detailed profile(89/100 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

426 W Carson St

Suite 7

Carson, CA 90745

Phone: (310) 533-1947

Street-level locationGet directions

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Mailing address