MS. RENAE C. ZIMMER CRNA
NPI 1972720449
Nurse Anesthetist, Certified Registered in West Hills, CA
About Ms. Renae C. Zimmer Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. RENAE C. ZIMMER CRNA (NPI 1972720449) is an individual nurse anesthetist, certified registered in West Hills, California, licensed in California (3485) and active in the NPI registry since April 2007.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 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)
Ms. Renae C. Zimmer Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Renae Zimmer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Hills, CA 91307
- Reassigned Medicare billing, California enrollment
- 99 clinicians in this Medicare group
Santa Barbara, CA 93105
- Reassigned Medicare billing, California enrollment
- 38 clinicians in this Medicare group
Boise, ID 83702
- Reassigned Medicare billing, Idaho enrollment
- 3 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST HILLS, CA 91307
WEST HILLS, CA 91307
WEST HILLS, CA 91307
WEST HILLS, CA 91307
WEST HILLS, CA 91307
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 Renae Zimmer's NPI number?
The NPI number for Renae Zimmer is 1972720449. It was assigned to this individual provider in the NPPES registry on April 19, 2007. The provider is also known as Mrs. Renae C Mendez Crna.
Where is Renae Zimmer located?
Renae Zimmer practices at 7230 Medical Center Dr Ste 500, West Hills, CA 91307. The listed phone number is (818) 348-7246.
What is Renae Zimmer's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Renae Zimmer enrolled in Medicare?
Yes. Renae Zimmer is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Renae Zimmer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Renae Zimmer reassigns Medicare benefits to 3 organizations: Advanced Anesthesia Specialists A Medical Corporation (West Hills, CA), Hullander And Mozingo LP (Santa Barbara, CA) and Christopher Vaughan, MD PLLC (Boise, ID). 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 Renae Zimmer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Renae Zimmer accept?
Health plans from Select Health list Renae Zimmer 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 Renae Zimmer was last updated on July 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.