MICHELLE EMIKO BRENNAN (MD) – Emergency Medicine Physician, NPI 1255828323
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,790 EMERGENCY MEDICINE in CA
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Provider Addresses for MICHELLE EMIKO BRENNAN (MD)
Ronald Reagan UCLA Medical Center, 757, Westwood Plaza, Westwood, Los Angeles, Los Angeles County, California, 90095, United States
LOS ANGELES, CA 900958358
Phone: (310) 825-9111
Type: Location
East Doubletree Ranch Road, Scottsdale, Maricopa County, Arizona, 85260-6568, United States
SCOTTSDALE, AZ 852585637
Phone: (602) 510-1249
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $24.
Total Amount is formed as General ($24) + Research ($0) + Ownership ($0) = $24.
Last reported payment date: 2023-11-10 • Largest payer in this snapshot: Boston Scientific Corporation ($24).
Total Amount
$24
General + Research + Ownership
Payments
1
Total payment records
General Amount
$24
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-11-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $24 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2022-05-17
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20220517002812 | I | Emergency Medicine | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 410 | 378 | $0 |
| 99285 | Emergency department visit with high level of medical decision making | 393 | 386 | $0 |
| 99291 | Critical care, first 30-74 minutes | 198 | 195 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 50 | 50 | $0 |
Insurance plans in this area (ZIP 90095)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | IL | |
| Physician Assistant | CA | |
| - | CA | |
| Emergency Medicine | CA | |
| Nurse Practitioner | IN | |
| Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| Emergency Medicine | IL |
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