Sean M. Brennan, M.D.
NPI 1457559684ActiveIndividual· Emergency Medicine· Owatonna, MN
Emergency Medicine (M.D.) with Mayo Clinic Health System-Southeast Minnesota Region, practicing in Owatonna, Minnesota. 261 Medicare patients in 2024, $29,857 paid; nearly all of their 248 Part D prescriptions were generic (94%). Lists Mayo Clinic Health System - Albert Lea and Austin and 1 other hospital as hospital affiliations.
Overview
| NPI | 1457559684 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 10, 2007 |
| Last updated in NPPES | Jan 7, 2021 |
| Certified by provider | Jan 7, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 56274 | MN |
| Family Medicine | 207Q00000X | 13215 | NV |
| Family Medicine | 207Q00000X | 42245 | AZ |
| Family Medicine | 207Q00000X | 56274 | MN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 261 |
|---|---|
| Services billed | 291 across 16 procedure codes |
| Paid by Medicare | $29,857 |
Part D prescriptions in 2024
| Prescriptions (claims) | 248 · 249 30-day fills |
|---|---|
| Patients | 185 |
| Total drug cost | $5,030 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- Mayo Clinic Health System-Southeast Minnesota RegionAustin, MN · 551 clinicians
Hospital affiliations
- Mayo Clinic Health System - Albert Lea and AustinAlbert Lea, MN
- Mayo Clinic Health System in Red WingRed Wing, MN
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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