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Stephen La Due, DDS
NPI 1396879565 · Dentist · Castro Valley, CA
Stephen La Due, DDS is a Dentist provider in Castro Valley, CA (NPI 1396879565).
Provider details
- NPI number
- 1396879565
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 24468 (CA)
Specialties & taxonomies
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
20406 Redwood Rd
Suite H
Castro Valley, CA 94546-4317
Phone: (510) 581-1991
Fax: (510) 581-0765
Street-level locationGet directions
Mailing address
20406 Redwood Rd
Castro Valley, CA 94546-4317
Registry dates
- Enumerated
- 2007-03-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Stephen La Due's NPI number?
- Stephen La Due's National Provider Identifier (NPI) is 1396879565, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen La Due's specialty?
- Stephen La Due is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Stephen La Due located?
- Stephen La Due's practice location on file with NPPES is 20406 Redwood Rd, Castro Valley, CA 94546-4317.
- What is Stephen La Due's phone number?
- The practice phone number listed in the NPPES registry for Stephen La Due is (510) 581-1991.
- Is Stephen La Due's NPI active?
- Yes — Stephen La Due's NPI (1396879565) 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.