SEAN M BRENNAN (M.D.) – Emergency Medicine Physician, NPI 1457559684
Emergency Medicine Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
1,171 EMERGENCY MEDICINE in MN
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Provider Addresses for SEAN M BRENNAN (M.D.)
Northwest 26th Street, Owatonna, Steele County, Minnesota, 55060, United States
OWATONNA, MN 550605503
Phone: (507) 451-1120
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2013-07-26
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-07-31 (1043 days ago).
Enrollment records
1
Earliest due date
2023-07-31
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 |
|---|---|---|---|---|
| I20130726000463 | I | Emergency Medicine | MN | 2023-07-31 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 |
|---|---|---|---|---|
| 99284 | Emergency department visit with moderate level of medical decision making | 103 | 103 | $0 |
| 99285 | Emergency department visit with high level of medical decision making | 92 | 90 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 29 | 28 | $0 |
| 99291 | Critical care, first 30-74 minutes | 17 | 17 | $0 |
Insurance plans in this area (ZIP 55060)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MN | |
| Family Practice | WI | |
| Physician Assistant | MN | |
| - | MN | |
| Diagnostic Radiology | TN | |
| - | MN | |
| - | MN | |
| - | MN | |
| - | MN | |
| - | MN |
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