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MR. JUAN IGNACIO WEI LEON CRNA
NPI 1992355655
Nurse Anesthetist, Certified Registered in Los Angeles, CA

Active since September 16, 2019Accepts Medicare Assignment
4867 W SUNSET BLVD, LOS ANGELES, CA 90027(833) 574-2273 Get Directions Write a Review

NPPES record last updated: October 15, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 15, 2019, Sep 16, 2019 (2 updates tracked since 2019).

About Mr. Juan Ignacio Wei Leon Crna NPPES

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

MR. JUAN IGNACIO WEI LEON CRNA (NPI 1992355655) is an individual nurse anesthetist, certified registered in Los Angeles, California, licensed in California (95001204) and active in the NPI registry since September 2019. He is a graduate of Other (2019).

NPPES Registry Identity

NPI1992355655
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameMR. JUAN IGNACIO WEI LEONCredential: CRNA
Location Address4867 W SUNSET BLVDLos Angeles, CA 90027-5969
Mailing Address1464 S Meeker AveWest Covina, CA 91790-3206
Phone(833) 574-2273
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateSeptember 16, 2019
Last NPPES UpdateOctober 15, 20192 updates tracked since enumeration
✔ NPI 1992355655 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in CA · 95001204
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.
Also ListedRegistered NurseTaxonomy 163W00000X · License 800839 (CA)
4867 W SUNSET BLVD, Los Angeles, CA 90027
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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

Mr. Juan Ignacio Wei Leon Crna 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 ID3274946090
PECOS Enrollment IDI20210114002613

Medicare Billing Reassignments

2

Medicare enrollment records show Juan Wei Leon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Socal Anesthesia Solutions, Inc
4.5 mi
Anesthesiology
1401 S GRAND AVE
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
  • 76 clinicians in this Medicare group
NPI 1407596901 (213) 742-5910
Pacific Valley Medical Group
8.8 mi
Anesthesiology
100 W CALIFORNIA BLVD
Pasadena, CA 91105
  • Reassigned Medicare billing, California enrollment
  • 214 clinicians in this Medicare group
NPI 1851312862 (626) 397-5000

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

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.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
22 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90027 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

CHRISELDA MANALO
Nurse Practitioner (Gerontology)
4867 W SUNSET BLVD, 6TH FLOOR - INTENSIVE CARE UNIT
LOS ANGELES, CA 90027
Los Angeles County (323) 783-9644
HEDDY TRAC
Respiratory Therapist, Certified
4867 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (323) 783-8320
DAVID HWANG DO
Internal Medicine (Nephrology)
4867 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (833) 574-2273
SOPHIA ROCHELLE WILSON DNP, CRNA
Nurse Anesthetist, Certified Registered
4867 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (276) 734-1219
MRS. ALEXANDRA FELDMAN
Pharmacist
4867 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (323) 783-8308
ALLISON BRIEL GROSSMAN SLP
Speech-Language Pathologist
4867 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (833) 574-2273
MISS SERENA LI
Pharmacist
4867 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (323) 783-1546
MICHAEL INDUCIL RCP
Respiratory Therapist, Registered
4867 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (323) 783-8320

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 Juan Wei Leon's NPI number?

The NPI number for Juan Wei Leon is 1992355655. It was assigned to this individual provider in the NPPES registry on September 16, 2019.

Where is Juan Wei Leon located?

Juan Wei Leon practices at 4867 W Sunset Blvd, Los Angeles, CA 90027. The listed phone number is (833) 574-2273.

What is Juan Wei Leon's specialty?

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

Is Juan Wei Leon enrolled in Medicare?

Yes. Juan Wei Leon 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 Juan Wei Leon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Juan Wei Leon reassigns Medicare benefits to 2 organizations: Socal Anesthesia Solutions, Inc (Los Angeles, CA) and Pacific Valley Medical Group (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 Juan Wei Leon'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 Juan Wei Leon was last updated on October 15, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.