PEREGRINA LORENZO ARCIAGA M.D.
NPI 1831120070
Anesthesiology in Los Angeles, CA
About Peregrina Lorenzo Arciaga M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PEREGRINA LORENZO ARCIAGA M.D. (NPI 1831120070) is an individual anesthesiology provider in Los Angeles, California, licensed in California (A72467) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1984).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Peregrina Lorenzo Arciaga M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Peregrina Arciaga reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 295 clinicians in this Medicare group
Los Angeles, CA 90034
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Los Angeles, CA 90059
- Reassigned Medicare billing, California enrollment
- 435 clinicians in this Medicare group
Los Angeles, CA 90059
- Reassigned Medicare billing, California enrollment
- 554 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.
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
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 Peregrina Arciaga's NPI number?
The NPI number for Peregrina Arciaga is 1831120070. It was assigned to this individual provider in the NPPES registry on July 5, 2006.
Where is Peregrina Arciaga located?
Peregrina Arciaga practices at 757 Westwood Plz Ste 3325, Los Angeles, CA 90095. The listed phone number is (310) 267-3899.
What is Peregrina Arciaga's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Peregrina Arciaga enrolled in Medicare?
Yes. Peregrina Arciaga is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Peregrina Arciaga's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peregrina Arciaga reassigns Medicare benefits to 4 organizations: Regents Of The University Of California (Los Angeles, CA), Southern California Permanente Medical Group (Los Angeles, CA), County Of Los Angeles (Los Angeles, CA) and Martin Luther King Jr Community Medical Foundation (Los Angeles, 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 Peregrina Arciaga'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 Peregrina Arciaga was last updated on February 29, 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.
# Peregrina Lorenzo Arciaga, M.D. · NPI 1831120070
Anesthesiology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since July 5, 2006.
## Identity
- **NPI:** 1831120070 (Entity type: Individual)
- **Enumerated:** July 5, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A72467 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 757 WESTWOOD PLZ STE 3325, Los Angeles, CA 90095-4011
- **Phone:** (310) 267-3899
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1326096165, Los Angeles, CA); Southern California Permanente Medical Group (NPI 1043242563, Los Angeles, CA); County Of Los Angeles (NPI 1780877613, Los Angeles, CA); Martin Luther King Jr Community Medical Foundation (NPI 1356899777, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1984
## Record status
- **NPPES last updated:** February 29, 2024
- **Other identifiers:** Other 00A724670 (CA); Medicaid 00A724670 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1831120070) · Data from the CMS NPPES public registry.