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William Hansen, DDS
NPI 1538271713 · Dentist · Palo Alto, CA
William Hansen, DDS is a Dentist provider in Palo Alto, CA (NPI 1538271713).
Provider details
- NPI number
- 1538271713
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- No
- License
- 22073 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(90/100 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
1691 El Camino Real
Suite 200
Palo Alto, CA 94306
Phone: (650) 324-1292
Fax: (650) 618-1944
Street-level locationGet directions
Mailing address
2244 Oakdale Road
Hillsborough, CA 94010
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Hansen's NPI number?
- William Hansen's National Provider Identifier (NPI) is 1538271713, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hansen's specialty?
- William Hansen is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is William Hansen located?
- William Hansen's practice location on file with NPPES is 1691 El Camino Real, Palo Alto, CA 94306.
- What is William Hansen's phone number?
- The practice phone number listed in the NPPES registry for William Hansen is (650) 324-1292.
- Is William Hansen's NPI active?
- Yes — William Hansen's NPI (1538271713) 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.