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Nancy Williams, LCSW
NPI 1053643551 · Clinical Social Worker · Arcata, CA
Nancy Williams, LCSW is a Clinical Social Worker provider in Arcata, CA (NPI 1053643551).
Provider details
- NPI number
- 1053643551
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 23188 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(84/100 index)
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
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
455 I St Ste 201
Arcata, CA 95521-6195
Phone: (707) 822-4186
Fax: (707) 822-4529
Street-level locationGet directions
Mailing address
Po Box 829
Arcata, CA 95518-0829
Registry dates
- Enumerated
- 2010-02-08
- Last updated
- 2010-02-08
Frequently asked questions
- What is Nancy Williams's NPI number?
- Nancy Williams's National Provider Identifier (NPI) is 1053643551, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Williams's specialty?
- Nancy Williams is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Nancy Williams located?
- Nancy Williams's practice location on file with NPPES is 455 I St Ste 201, Arcata, CA 95521-6195.
- What is Nancy Williams's phone number?
- The practice phone number listed in the NPPES registry for Nancy Williams is (707) 822-4186.
- Is Nancy Williams's NPI active?
- Yes — Nancy Williams's NPI (1053643551) is active in the NPPES registry as of the last update on 2010-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.