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GILLIAN WEI-YI QUIAN LOON CRNA
NPI 1124665732
Nurse Anesthetist, Certified Registered in Los Angeles, CA

Active since December 02, 2019
757 WESTWOOD PLZ, LOS ANGELES, CA 90095(310) 825-9111 Get Directions Write a Review

NPPES record last updated: February 22, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 22, 2022, Dec 2, 2019 (2 updates tracked since 2019).

About Gillian Wei-yi Quian Loon Crna NPPES

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

GILLIAN WEI-YI QUIAN LOON CRNA (NPI 1124665732) is an individual nurse anesthetist, certified registered in Los Angeles, California, licensed in California (769819) and active in the NPI registry since December 2019.

NPPES Registry Identity

NPI1124665732
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameGILLIAN WEI-YI QUIAN LOONCredential: CRNA
Location Address757 WESTWOOD PLZLos Angeles, CA 90095-8358
Mailing Address3210 Merrill Dr Apt 38Torrance, CA 90503-7191
Phone(310) 825-9111
Sole ProprietorYes
Enumeration DateDecember 2, 2019
Last NPPES UpdateFebruary 22, 20222 updates tracked since enumeration
NPPES CertifiedFebruary 22, 2022
✔ NPI 1124665732 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in CA · 769819
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
757 WESTWOOD PLZ, 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 (PECOS)

Gillian Wei-yi Quian Loon Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Amsurg South Bay Anesthesia LP
18 mi
Anesthesiology
23560 MADISON ST STE 109
Torrance, CA 90505
  • Reassigned Medicare billing, California enrollment
  • 51 clinicians in this Medicare group
NPI 1811230022 (310) 325-6331

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.

CATHERINE CHA MD
Anesthesiology
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Los Angeles County (310) 825-8041
DR. TIFFANY PRUGPICHAILERS PEDIGO M.D.
Pediatrics
757 WESTWOOD PLZ, B711 RRUMC
LOS ANGELES, CA 90095
Los Angeles County (310) 267-9129
SAMRAWIT ABRAHA
Anesthesiology
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Los Angeles County (310) 267-6629
KEN DEKITANI
Internal Medicine
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Los Angeles County (310) 267-7849
JACQUELINE LABINS MD
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Los Angeles County (310) 267-0903
JYODI DINESH MOHOLE MD
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Los Angeles County (310) 267-9132
JASON THAMES HUYNH MD
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Los Angeles County (310) 825-7375
BRITTANY CHY MD
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLZ
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 Gillian Loon's NPI number?

The NPI number for Gillian Loon is 1124665732. It was assigned to this individual provider in the NPPES registry on December 2, 2019.

Where is Gillian Loon located?

Gillian Loon practices at 757 Westwood Plz, Los Angeles, CA 90095. The listed phone number is (310) 825-9111.

What is Gillian Loon's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Gillian Loon enrolled in Medicare?

Yes. Gillian Loon is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gillian Loon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gillian Loon reassigns Medicare benefits to Amsurg South Bay Anesthesia LP (Torrance, 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 Gillian Loon'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 Gillian Loon was last updated on February 22, 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.