Danielle Williamson, LCSW
NPI 1538645635 · Clinical Social Worker · Nevada City, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Danielle Williamson, LCSW is a Clinical Social Worker provider in Nevada City, CA (NPI 1538645635).
Provider details
- NPI number
- 1538645635
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- LCSW99938 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
7 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
- 2018-07-12
- Last updated
- 2021-03-02
- Certified
- 2021-03-02
Frequently asked questions
- What is Danielle Williamson's NPI number?
- Danielle Williamson's National Provider Identifier (NPI) is 1538645635, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Danielle Williamson's specialty?
- Danielle Williamson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Danielle Williamson located?
- Danielle Williamson's practice location on file with NPPES is 24077 State Highway 49, Nevada City, CA 95959-8519.
- What is Danielle Williamson's phone number?
- The practice phone number listed in the NPPES registry for Danielle Williamson is (530) 265-9057.
- Does Danielle Williamson accept Medicare?
- Danielle Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Danielle Williamson's NPI active?
- Yes — Danielle Williamson's NPI (1538645635) is active in the NPPES registry as of the last update on 2021-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.