JOANNA MENDOZA
NPI 1477920494
Psychologist in Concord, CA
About Joanna Mendoza NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOANNA MENDOZA (NPI 1477920494) is an individual psychologist in Concord, California, licensed in California (30948) and active in the NPI registry since August 2015. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Joanna Mendoza is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Joanna Mendoza reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Vallejo, CA 94589
- Reassigned Medicare billing, California enrollment
- 20,078 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.
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.
CONCORD, CA 94520
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 Joanna Mendoza's NPI number?
The NPI number for Joanna Mendoza is 1477920494. It was assigned to this individual provider in the NPPES registry on August 25, 2015.
Where is Joanna Mendoza located?
Joanna Mendoza practices at 2425 Bisso Ln Suite 200, Concord, CA 94520. The listed phone number is (925) 642-1141.
What is Joanna Mendoza's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Joanna Mendoza enrolled in Medicare?
Yes. Joanna Mendoza is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Joanna Mendoza's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joanna Mendoza reassigns Medicare benefits to Permanente Medical Group Inc (Vallejo, 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 Joanna Mendoza'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 Joanna Mendoza was last updated on January 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.