MICHELLE EMIKO BRENNAN MD
NPI 1255828323
Emergency Medicine in Los Angeles, CA
About Michelle Emiko Brennan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHELLE EMIKO BRENNAN MD (NPI 1255828323) is an individual emergency medicine provider in Los Angeles, California, licensed in California (A174854) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS and is a graduate of University Of Arizona College Of Medicine (2018).
NPPES Registry Identity
Specialties & Licenses
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
Michelle Emiko Brennan 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 Reassignments
3Medicare enrollment records show Michelle Brennan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Burbank, CA 91505
- Reassigned Medicare billing, California enrollment
- 51 clinicians in this Medicare group
Newport Beach, CA 92663
- Reassigned Medicare billing, California enrollment
- 61 clinicians in this Medicare group
Newport Beach, CA 92663
- Reassigned Medicare billing, California enrollment
- 59 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 4
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 90095 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
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 Michelle Brennan's NPI number?
The NPI number for Michelle Brennan is 1255828323. It was assigned to this individual provider in the NPPES registry on April 15, 2018.
Where is Michelle Brennan located?
Michelle Brennan practices at 757 Westwood Plz, Los Angeles, CA 90095. The listed phone number is (310) 825-9111.
What is Michelle Brennan's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Michelle Brennan enrolled in Medicare?
Yes. Michelle Brennan 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 Michelle Brennan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Brennan reassigns Medicare benefits to 3 organizations: Burbank Emergency Medical Group Inc (Burbank, CA), Emergency Physicians Of Orange County (Newport Beach, CA) and Newport Emergency Medical Group Inc (Newport Beach, 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 Michelle Brennan'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 Michelle Brennan was last updated on September 22, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.