Ann Billington, LCSW
NPI 1649040668 · Clinical Social Worker · Palo Alto, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Billington, LCSW is a Clinical Social Worker provider in Palo Alto, CA (NPI 1649040668).
Provider details
- NPI number
- 1649040668
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 114929 (CA)
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
2 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
- 2024-01-02
- Last updated
- 2024-01-02
- Certified
- 2024-01-02
Frequently asked questions
- What is Ann Billington's NPI number?
- Ann Billington's National Provider Identifier (NPI) is 1649040668, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Billington's specialty?
- Ann Billington is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Ann Billington located?
- Ann Billington's practice location on file with NPPES is 2100 Geng Rd Ste 210, Palo Alto, CA 94303-3307.
- What is Ann Billington's phone number?
- The practice phone number listed in the NPPES registry for Ann Billington is (833) 646-3243.
- Does Ann Billington accept Medicare?
- Ann Billington is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Billington's NPI active?
- Yes — Ann Billington's NPI (1649040668) is active in the NPPES registry as of the last update on 2024-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.