CHRISTINE L. ELLIS
NPI 1477846186
Social Worker - Clinical in Palo Alto, CA
About Christine L. Ellis NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTINE L. ELLIS (NPI 1477846186) is an individual clinical provider in Palo Alto, California and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Christine L. Ellis is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Christine Ellis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
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
San Jose, CA 95113
- Reassigned Medicare billing, California enrollment
- 3,139 clinicians in this Medicare group
Miami, FL 33130
- Reassigned Medicare billing, Colorado, District of Columbia, Florida and Missouri enrollments
- 504 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 Christine Ellis's NPI number?
The NPI number for Christine Ellis is 1477846186. It was assigned to this individual provider in the NPPES registry on May 27, 2011. The provider is also known as Christine Giancola.
Where is Christine Ellis located?
Christine Ellis practices at 2100 Geng Rd Ste 210, Palo Alto, CA 94303. The listed phone number is (530) 776-0552.
What is Christine Ellis's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Christine Ellis enrolled in Medicare?
Yes. Christine Ellis is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Christine Ellis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christine Ellis reassigns Medicare benefits to 3 organizations: Wellmind Online Ca Licensed Clinical Social Worker Prof Corp (Palo Alto, CA), Grow Healthcare Group PC (San Jose, CA) and Grow Healthcare Group PA (Miami, FL). Each 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 Christine Ellis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christine Ellis accept?
Health plans from Oscar Insurance Company and UnitedHealthcare list Christine Ellis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Christine Ellis was last updated on October 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Christine L. Ellis · NPI 1477846186
Clinical provider in Palo Alto, California. Individual provider, active in the CMS NPPES registry since May 27, 2011.
## Identity
- **NPI:** 1477846186 (Entity type: Individual)
- **Enumerated:** May 27, 2011
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2100 GENG RD STE 210, Palo Alto, CA 94303-3307
- **Phone:** (530) 776-0552
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Wellmind Online Ca Licensed Clinical Social Worker Prof Corp (NPI 1447871272, Palo Alto, CA); Grow Healthcare Group PC (NPI 1154994846, San Jose, CA); Grow Healthcare Group PA (NPI 1245845932, Miami, FL) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 8, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1477846186) · Data from the CMS NPPES public registry.