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LAUREN REBECCA ELLIS
NPI 1316524176
Anesthesiology in Los Angeles, CA

Active since March 26, 2021PECOS EnrolledAccepts Medicare Assignment
757 WESTWOOD PLAZA, ANESTHESIOLOGY, LOS ANGELES, CA 90095(310) 267-8655 Get Directions Write a Review

NPPES record last updated: August 13, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 13, 2025, Jun 7, 2021, Mar 26, 2021 (3 updates tracked since 2021).

About Lauren Rebecca Ellis NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LAUREN REBECCA ELLIS (NPI 1316524176) is an individual anesthesiology provider in Los Angeles, California, licensed in California (A197940) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1316524176
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameLAUREN REBECCA ELLIS
Location Address757 WESTWOOD PLAZA, ANESTHESIOLOGYLos Angeles, CA 90095-7419
Mailing Address757 Westwood Plaza, AnesthesiologyLos Angeles, CA 90095-7419
Phone(310) 267-8655
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 26, 2021
Last NPPES UpdateAugust 13, 20253 updates tracked since enumeration
NPPES CertifiedAugust 13, 2025
✔ NPI 1316524176 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A197940
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
757 WESTWOOD PLAZA, ANESTHESIOLOGY, Los Angeles, CA 90095
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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

Lauren Rebecca Ellis 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.

PECOS PAC ID3274015599
PECOS Enrollment IDI20260305002912
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Lauren Ellis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
4.5 mi
Health Maintenance Organization
6041 CADILLAC AVE
Los Angeles, CA 90034
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1043242563 (323) 857-2000

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 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JIA TANG
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLAZA, ANESTHESIOLOGY
LOS ANGELES, CA 90095
Los Angeles County (310) 825-8307
TREVOR RIKIO IDETA
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLAZA, ANESTHESIOLOGY
LOS ANGELES, CA 90095
Los Angeles County (310) 267-6629
TIMOTHY TRUNG TO BUI
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLAZA, ANESTHESIOLOGY
LOS ANGELES, CA 90095
Los Angeles County (310) 267-8653
TINA KESHISHIAN
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLAZA, ANESTHESIOLOGY
LOS ANGELES, CA 90095
Los Angeles County (310) 267-8655
ELLIE HIU TSANG MD
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLAZA, ANESTHESIOLOGY
LOS ANGELES, CA 90095
Los Angeles County (310) 267-8655
THANG TRAN MD
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLAZA, ANESTHESIOLOGY
LOS ANGELES, CA 90095
Los Angeles County (310) 267-8655
EN CHANG
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLAZA, ANESTHESIOLOGY
LOS ANGELES, CA 90095
Los Angeles County (310) 267-8655
BRIAN LIU GAO
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLAZA, ANESTHESIOLOGY
LOS ANGELES, CA 90095
Los Angeles County (310) 267-8655

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 Lauren Ellis's NPI number?

The NPI number for Lauren Ellis is 1316524176. It was assigned to this individual provider in the NPPES registry on March 26, 2021.

Where is Lauren Ellis located?

Lauren Ellis practices at 757 Westwood Plaza, Anesthesiology, Los Angeles, CA 90095. The listed phone number is (310) 267-8655.

What is Lauren Ellis's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Lauren Ellis enrolled in Medicare?

Yes. Lauren Ellis 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 organization bills Medicare for Lauren Ellis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Ellis reassigns Medicare benefits to Southern California Permanente Medical Group (Los Angeles, 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 Lauren Ellis'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 Lauren Ellis was last updated on August 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.