Sarah Williams
NPI 1528291796 · Mental Health Counselor · San Francisco, CA
Sarah Williams is a Mental Health Counselor provider in San Francisco, CA (NPI 1528291796).
Provider details
- NPI number
- 1528291796
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
83% 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
- 2009-09-03
- Last updated
- 2009-09-03
Frequently asked questions
- What is Sarah Williams's NPI number?
- Sarah Williams's National Provider Identifier (NPI) is 1528291796, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Williams's specialty?
- Sarah Williams is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Sarah Williams located?
- Sarah Williams's practice location on file with NPPES is 1188 Jackson St, San Francisco, CA 94133-4705.
- What is Sarah Williams's phone number?
- The practice phone number listed in the NPPES registry for Sarah Williams is (805) 452-4097.
- Is Sarah Williams's NPI active?
- Yes — Sarah Williams's NPI (1528291796) is active in the NPPES registry as of the last update on 2009-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.