GUSTAVO LEOR
NPI 1316628563
Nurse Anesthetist, Certified Registered in Pasadena, CA
About Gustavo Leor NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GUSTAVO LEOR (NPI 1316628563) is an individual nurse anesthetist, certified registered in Pasadena, California, licensed in Arizona (1811497) and active in the NPI registry since July 2023. He is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 3
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
Gustavo Leor 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
10Medicare enrollment records show Gustavo Leor reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Arcadia, CA 91006
- Reassigned Medicare billing, California enrollment
- 72 clinicians in this Medicare group
Beverly Hills, CA 90211
- Reassigned Medicare billing, California enrollment
- 88 clinicians in this Medicare group
Tarzana, CA 91356
- Reassigned Medicare billing, California enrollment
- 44 clinicians in this Medicare group
Thousand Oaks, CA 91361
- Reassigned Medicare billing, California enrollment
- 52 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 270 clinicians in this Medicare group
Oxnard, CA 93036
- Reassigned Medicare billing, California enrollment
- 36 clinicians in this Medicare group
Santa Barbara, CA 93101
- Reassigned Medicare billing, California enrollment
- 13 clinicians in this Medicare group
Santa Barbara, CA 93105
- Reassigned Medicare billing, California enrollment
- 3 clinicians in this Medicare group
San Luis Obispo, CA 93405
- Reassigned Medicare billing, California enrollment
- 31 clinicians in this Medicare group
Bullhead City, AZ 86442
- Reassigned Medicare billing, Arizona enrollment
- 87 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.
Areas of Expertise CMS Part B claims 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Gustavo Leor's NPI number?
The NPI number for Gustavo Leor is 1316628563. It was assigned to this individual provider in the NPPES registry on July 31, 2023.
Where is Gustavo Leor located?
Gustavo Leor practices at 300 E Bellevue Dr Apt 125, Pasadena, CA 91101. The listed phone number is (805) 284-2068.
What is Gustavo Leor's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Gustavo Leor enrolled in Medicare?
Yes. Gustavo Leor 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 Gustavo Leor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gustavo Leor reassigns Medicare benefits to 10 organizations: Amsurg Arcadia Anesthesia LP (Arcadia, CA), Tip Top Anesthesia Group Inc (Beverly Hills, CA), Scq Anesthesia A Professional Nursing Corporation (Tarzana, CA), Concierge Anesthesia (Thousand Oaks, CA), Palm Springs Anesthesia Services, PC (San Bernardino, CA) and 5 more organizations, listed in the Medicare section above. 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 Gustavo Leor'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 Gustavo Leor was last updated on October 14, 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.
# Gustavo Leor · NPI 1316628563
Nurse Anesthetist, Certified Registered physician in Pasadena, California. Individual provider, active in the CMS NPPES registry since July 31, 2023.
## Identity
- **NPI:** 1316628563 (Entity type: Individual)
- **Enumerated:** July 31, 2023
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 1811497 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 E BELLEVUE DR APT 125, Pasadena, CA 91101-3105
- **Phone:** (805) 284-2068
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Amsurg Arcadia Anesthesia LP (NPI 1114291226, Arcadia, CA); Tip Top Anesthesia Group Inc (NPI 1508283698, Beverly Hills, CA); Scq Anesthesia A Professional Nursing Corporation (NPI 1689381105, Tarzana, CA); Concierge Anesthesia (NPI 1447726997, Thousand Oaks, CA); Palm Springs Anesthesia Services, PC (NPI 1083928501, San Bernardino, CA); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** October 14, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1316628563) · Data from the CMS NPPES public registry.