OrganizationActive
Clelen C. Tanner, DDS, Inc
NPI 1689991762 · General Practice Dentistry · Hayward, CA
Clelen C. Tanner, DDS, Inc is a General Practice Dentistry organization in Hayward, CA (NPI 1689991762).
Provider details
- NPI number
- 1689991762
- Entity type
- Organization
- Primary specialty
- General Practice DentistryDental Providers
- Organization subpart
- No
- Authorized official
- Clelen Tanner, Owner(510) 733-1455
- License
- 26003 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
21911 Foothill Blvd
Hayward, CA 94541-2118
Phone: (510) 733-1455
Fax: (510) 889-8395
Street-level locationGet directions
Mailing address
21911 Foothill Blvd
Hayward, CA 94541-2118
Other names (DBA / former)
- Other name
- Foothill Dental
Registry dates
- Enumerated
- 2010-04-28
- Last updated
- 2010-04-28
Frequently asked questions
- What is Clelen C. Tanner, DDS, Inc's NPI number?
- Clelen C. Tanner, DDS, Inc's National Provider Identifier (NPI) is 1689991762, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Clelen C. Tanner, DDS, Inc?
- Clelen C. Tanner, DDS, Inc is classified in the NPPES registry as General Practice Dentistry (Dental Providers).
- Where is Clelen C. Tanner, DDS, Inc located?
- Clelen C. Tanner, DDS, Inc's practice location on file with NPPES is 21911 Foothill Blvd, Hayward, CA 94541-2118.
- What is Clelen C. Tanner, DDS, Inc's phone number?
- The practice phone number listed in the NPPES registry for Clelen C. Tanner, DDS, Inc is (510) 733-1455.
- Who is the authorized official for Clelen C. Tanner, DDS, Inc?
- The authorized official listed on Clelen C. Tanner, DDS, Inc's NPPES record is Clelen Tanner, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Clelen C. Tanner, DDS, Inc's NPI active?
- Yes — Clelen C. Tanner, DDS, Inc's NPI (1689991762) is active in the NPPES registry as of the last update on 2010-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.