KIMBERLY KRISTIN NELSON
NPI 1841487915
Social Worker - Clinical in San Leandro, CA
About Kimberly Kristin Nelson NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KIMBERLY KRISTIN NELSON (NPI 1841487915) is an individual clinical provider in San Leandro, California, licensed in California (71403) and active in the NPI registry since October 2007. 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)
Kimberly Kristin Nelson is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Kimberly Nelson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oxnard, CA 93036
- Reassigned Medicare billing, California enrollment
- 13,921 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 94578 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.
SAN LEANDRO, CA 94578
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 Kimberly Nelson's NPI number?
The NPI number for Kimberly Nelson is 1841487915. It was assigned to this individual provider in the NPPES registry on October 2, 2007.
Where is Kimberly Nelson located?
Kimberly Nelson practices at 2275 Arlington Dr, San Leandro, CA 94578. The listed phone number is (510) 317-1444.
What is Kimberly Nelson's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Kimberly Nelson enrolled in Medicare?
Yes. Kimberly Nelson is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Kimberly Nelson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kimberly Nelson reassigns Medicare benefits to Southern California Permanente Medical Group (Oxnard, 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 Kimberly Nelson'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 Kimberly Nelson was last updated on December 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.