ISABELLA FRANCESCA DE LEON CRNA
NPI 1376205708
Nurse Anesthetist, Certified Registered in Fontana, CA
About Isabella Francesca De Leon Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ISABELLA FRANCESCA DE LEON CRNA (NPI 1376205708) is an individual nurse anesthetist, certified registered in Fontana, California, licensed in California (95001620) and active in the NPI registry since October 2021. She maintains a secondary practice location in Duarte and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
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
Isabella Francesca De 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.
Medicare Billing Reassignments
4Medicare enrollment records show Isabella Francesca De Leon reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fontana, CA 92335
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1952333460 (California)
- 5,228 clinicians in this Medicare group
Fontana, CA 92336
- Reassigned Medicare billing, California enrollment
- 55 clinicians in this Medicare group
Duarte, CA 91010
- Reassigned Medicare billing, California enrollment
- 1,335 clinicians in this Medicare group
Arcadia, CA 91006
- Reassigned Medicare billing, California enrollment
- 72 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92335 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
FONTANA, CA 92335
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 Isabella Francesca De Leon's NPI number?
The NPI number for Isabella Francesca De Leon is 1376205708. It was assigned to this individual provider in the NPPES registry on October 13, 2021. The provider is also known as Isabella Francesca Alcaraz.
Where is Isabella Francesca De Leon located?
Isabella Francesca De Leon practices at 9961 Sierra Ave, Fontana, CA 92335. The listed phone number is (833) 574-2273.
What is Isabella Francesca De Leon's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Isabella Francesca De Leon enrolled in Medicare?
Yes. Isabella Francesca De 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 Isabella Francesca De Leon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Isabella Francesca De Leon reassigns Medicare benefits to 4 organizations: Southern California Permanente Medical Group (Fontana, CA), Jp Anesthesia Inc (Fontana, CA), City Of Hope Medical Foundation (Duarte, CA) and Amsurg Arcadia Anesthesia LP (Arcadia, 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 Isabella Francesca De 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 Isabella Francesca De Leon was last updated on August 28, 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.
# Isabella Francesca De Leon, CRNA · NPI 1376205708
Nurse Anesthetist, Certified Registered physician in Fontana, California. Individual provider, active in the CMS NPPES registry since October 13, 2021.
## Identity
- **NPI:** 1376205708 (Entity type: Individual)
- **Enumerated:** October 13, 2021
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 95001620 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9961 SIERRA AVE, Fontana, CA 92335-6720
- **Phone:** (833) 574-2273
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1689606196, Fontana, CA); Jp Anesthesia Inc (NPI 1609590926, Fontana, CA); City Of Hope Medical Foundation (NPI 1871886366, Duarte, CA); Amsurg Arcadia Anesthesia LP (NPI 1114291226, Arcadia, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** August 28, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1376205708) · Data from the CMS NPPES public registry.