IndividualActive
Katherine Williams, LCSW
NPI 1720816804 · Clinical Social Worker · Hayward, CA
Katherine Williams, LCSW is a Clinical Social Worker provider in Hayward, CA (NPI 1720816804).
Provider details
- NPI number
- 1720816804
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- LCSW117688 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(56/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
494 Blossom Way
Hayward, CA 94541-1948
Phone: (510) 582-7676
Street-level locationGet directions
Mailing address
494 Blossom Way
Hayward, CA 94541-1948
Registry dates
- Enumerated
- 2024-07-22
- Last updated
- 2024-07-22
- Certified
- 2024-07-22
Frequently asked questions
- What is Katherine Williams's NPI number?
- Katherine Williams's National Provider Identifier (NPI) is 1720816804, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Williams's specialty?
- Katherine Williams is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Katherine Williams located?
- Katherine Williams's practice location on file with NPPES is 494 Blossom Way, Hayward, CA 94541-1948.
- What is Katherine Williams's phone number?
- The practice phone number listed in the NPPES registry for Katherine Williams is (510) 582-7676.
- Is Katherine Williams's NPI active?
- Yes — Katherine Williams's NPI (1720816804) is active in the NPPES registry as of the last update on 2024-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.