OrganizationActive
William Cox Dental Corporation
NPI 1063454411 · Dentist · Sunnyvale, CA
William Cox Dental Corporation is a Dentist organization in Sunnyvale, CA (NPI 1063454411).
Provider details
- NPI number
- 1063454411
- Entity type
- Organization
- Primary specialty
- DentistDental Providers
- Organization subpart
- No
- Authorized official
- William Cox, PC Owner/President(800) 684-6440
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
20 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
1639 Hollenbeck Ave
Sunnyvale, CA 94087-5402
Phone: (408) 732-6931
Fax: (408) 731-8660
Street-level locationGet directions
Mailing address
Po Box 872710
Vancouver, WA 98687-2710
Other names (DBA / former)
- Doing business as
- Gentle Dental Sunnyvale
- Doing business as
- Gentle Dental Sunnyvale
Registry dates
- Enumerated
- 2006-06-11
- Last updated
- 2025-08-22
- Certified
- 2025-08-22
Frequently asked questions
- What is William Cox Dental Corporation's NPI number?
- William Cox Dental Corporation's National Provider Identifier (NPI) is 1063454411, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William Cox Dental Corporation?
- William Cox Dental Corporation is classified in the NPPES registry as Dentist (Dental Providers).
- Where is William Cox Dental Corporation located?
- William Cox Dental Corporation's practice location on file with NPPES is 1639 Hollenbeck Ave, Sunnyvale, CA 94087-5402.
- What is William Cox Dental Corporation's phone number?
- The practice phone number listed in the NPPES registry for William Cox Dental Corporation is (408) 732-6931.
- Who is the authorized official for William Cox Dental Corporation?
- The authorized official listed on William Cox Dental Corporation's NPPES record is William Cox, PC Owner/President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William Cox Dental Corporation's NPI active?
- Yes — William Cox Dental Corporation's NPI (1063454411) is active in the NPPES registry as of the last update on 2025-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.