LEAH FRANCESCA BREEN MD
NPI 1952963662
Anesthesiology in Beverly Hills, CA
About Leah Francesca Breen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEAH FRANCESCA BREEN MD (NPI 1952963662) is an individual anesthesiology provider in Beverly Hills, California, licensed in California (A180606) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in West Hollywood, and is a graduate of George Washington University School Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses 2
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
Leah Francesca Breen Md 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 Reassignment
Medicare enrollment records show Leah Breen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 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.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BEVERLY HILLS, CA 90211
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 Leah Breen's NPI number?
The NPI number for Leah Breen is 1952963662. It was assigned to this individual provider in the NPPES registry on July 2, 2019.
Where is Leah Breen located?
Leah Breen practices at 8536 Wilshire Blvd Ste 102, Beverly Hills, CA 90211. The listed phone number is (310) 248-7051.
What is Leah Breen's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Leah Breen enrolled in Medicare?
Yes. Leah Breen 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 Leah Breen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leah Breen reassigns Medicare benefits to Cedars-Sinai Medical Care Foundation (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 Leah Breen'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 Leah Breen was last updated on December 26, 2023. 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.
# Leah Francesca Breen, MD · NPI 1952963662
Anesthesiology physician in Beverly Hills, California. Individual provider, active in the CMS NPPES registry since July 2, 2019.
## Identity
- **NPI:** 1952963662 (Entity type: Individual)
- **Enumerated:** July 2, 2019
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A180606 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 8536 WILSHIRE BLVD STE 102, Beverly Hills, CA 90211-3154
- **Phone:** (310) 248-7051
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Cedars-Sinai Medical Care Foundation (NPI 1316984388, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** December 26, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1952963662) · Data from the CMS NPPES public registry.