ANN BILLINGTON LCSW
NPI 1649040668
Social Worker - Clinical in Palo Alto, CA
About Ann Billington Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN BILLINGTON LCSW (NPI 1649040668) is an individual clinical provider in Palo Alto, California, licensed in California (114929) and active in the NPI registry since January 2024. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ann Billington Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ann Billington reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Palo Alto, CA 94303
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Wellmindonline Ca Licensed Clinical Social Worker Prof Corp
- 54 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94303 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PALO ALTO, CA 94303
PALO ALTO, CA 94303
PALO ALTO, CA 94303
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ann Billington's NPI number?
The NPI number for Ann Billington is 1649040668. It was assigned to this individual provider in the NPPES registry on January 2, 2024.
Where is Ann Billington located?
Ann Billington practices at 2100 Geng Rd Ste 210, Palo Alto, CA 94303. The listed phone number is (833) 646-3243.
What is Ann Billington's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Ann Billington enrolled in Medicare?
Yes. Ann Billington is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ann Billington's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Billington reassigns Medicare benefits to Wellmind Online Ca Licensed Clinical Social Worker Prof Corp (Palo Alto, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ann Billington's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ann Billington was last updated on January 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ann Billington, LCSW · NPI 1649040668
Clinical provider in Palo Alto, California. Individual provider, active in the CMS NPPES registry since January 2, 2024.
## Identity
- **NPI:** 1649040668 (Entity type: Individual)
- **Enumerated:** January 2, 2024
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 114929 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2100 GENG RD STE 210, Palo Alto, CA 94303-3307
- **Phone:** (833) 646-3243
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Wellmind Online Ca Licensed Clinical Social Worker Prof Corp (NPI 1447871272, Palo Alto, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 2, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1649040668) · Data from the CMS NPPES public registry.