William Hansen, NP
NPI 1821145111 · Adult Health Nurse Practitioner · San Francisco, CA
William Hansen, NP is a Adult Health Nurse Practitioner provider in San Francisco, CA (NPI 1821145111).
Provider details
- NPI number
- 1821145111
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- No
- License
- 8694 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-01-05
- Last updated
- 2007-07-09
Frequently asked questions
- What is William Hansen's NPI number?
- William Hansen's National Provider Identifier (NPI) is 1821145111, 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 Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Hansen located?
- William Hansen's practice location on file with NPPES is 2238 Geary Blvd, San Francisco, CA 94115-3416.
- What is William Hansen's phone number?
- The practice phone number listed in the NPPES registry for William Hansen is (415) 833-2831.
- Is William Hansen's NPI active?
- Yes — William Hansen's NPI (1821145111) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.