IndividualActive
Dan Sizemore, DDS
NPI 1578579900 · General Practice Dentistry · San Dimas, CA
Dan Sizemore, DDS is a General Practice Dentistry provider in San Dimas, CA (NPI 1578579900).
Provider details
- NPI number
- 1578579900
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- No
- License
- 28239 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(91/100 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
213 N San Dimas Ave
San Dimas, CA 91773-2649
Phone: (909) 599-3398
Fax: (909) 599-1398
Street-level locationGet directions
Mailing address
213 N San Dimas Ave
San Dimas, CA 91773-2649
Registry dates
- Enumerated
- 2006-07-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is Dan Sizemore's NPI number?
- Dan Sizemore's National Provider Identifier (NPI) is 1578579900, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dan Sizemore's specialty?
- Dan Sizemore is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Dan Sizemore located?
- Dan Sizemore's practice location on file with NPPES is 213 N San Dimas Ave, San Dimas, CA 91773-2649.
- What is Dan Sizemore's phone number?
- The practice phone number listed in the NPPES registry for Dan Sizemore is (909) 599-3398.
- Is Dan Sizemore's NPI active?
- Yes — Dan Sizemore's NPI (1578579900) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.