NANCY LOUISE PEREZ CRNA
NPI 1871539569
Nurse Anesthetist, Certified Registered in Los Angeles, CA
About Nancy Louise Perez Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NANCY LOUISE PEREZ CRNA (NPI 1871539569) is an individual nurse anesthetist, certified registered in Los Angeles, California, licensed in California (NA2268) and active in the NPI registry since June 2006.
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)
Nancy Louise Perez Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Nancy Perez reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 clinicians in this Medicare group
Los Angeles, CA 90041
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Pasadena, CA 91105
- Reassigned Medicare billing, California enrollment
- 31 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.
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
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 Nancy Perez's NPI number?
The NPI number for Nancy Perez is 1871539569. It was assigned to this individual provider in the NPPES registry on June 21, 2006.
Where is Nancy Perez located?
Nancy Perez practices at 1500 San Pablo St, Los Angeles, CA 90033. The listed phone number is (323) 442-7400.
What is Nancy Perez's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Nancy Perez enrolled in Medicare?
Yes. Nancy Perez is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Nancy Perez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Perez reassigns Medicare benefits to 3 organizations: Usc Care Medical Group, Inc (Los Angeles, CA), Southern California Permanente Medical Group (Los Angeles, CA) and Foothill Anesthesia, Inc (Pasadena, CA). 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 Nancy Perez'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 Nancy Perez was last updated on September 21, 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.
# Nancy Louise Perez, CRNA · NPI 1871539569
Nurse Anesthetist, Certified Registered physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since June 21, 2006.
## Identity
- **NPI:** 1871539569 (Entity type: Individual)
- **Enumerated:** June 21, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** NA2268 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 SAN PABLO ST, Los Angeles, CA 90033-5313
- **Phone:** (323) 442-7400
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA); Southern California Permanente Medical Group (NPI 1013409044, Los Angeles, CA); Foothill Anesthesia, Inc (NPI 1285695650, Pasadena, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1871539569) · Data from the CMS NPPES public registry.