KELSI MARIE RAU RN, NP
NPI 1972173359
Nurse Practitioner in Simi Valley, CA
About Kelsi Marie Rau Rn, Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KELSI MARIE RAU RN, NP (NPI 1972173359) is an individual nurse practitioner in Simi Valley, California, licensed in California (95028896) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS and maintains a secondary practice location in Boston.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Kelsi Marie Rau Rn, Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Kelsi Rau reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Simi Valley, CA 93065
- Reassigned Medicare billing, California enrollment
- 216 clinicians in this Medicare group
Lynn, MA 01901
- Reassigned Medicare billing, Massachusetts enrollment
- 178 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 93065 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SIMI VALLEY, CA 93065
SIMI VALLEY, CA 93065
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 Kelsi Rau's NPI number?
The NPI number for Kelsi Rau is 1972173359. It was assigned to this individual provider in the NPPES registry on June 29, 2021.
Where is Kelsi Rau located?
Kelsi Rau practices at 1424 Madera Rd, Simi Valley, CA 93065. The listed phone number is (805) 522-5722.
What is Kelsi Rau's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Kelsi Rau enrolled in Medicare?
Yes. Kelsi Rau is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Kelsi Rau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kelsi Rau reassigns Medicare benefits to 2 organizations: Clinicas Del Camino Real Inc (Simi Valley, CA) and Lynn Community Health, Inc. (Lynn, MA). 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 Kelsi Rau'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 Kelsi Rau was last updated on March 12, 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.