Doctor profile · Federal record
Dr. Sean Brennan, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Family Medicine Physician · Family Medicine Physician · Family Medicine Physician · Owatonna, MN
- NPI 1457559684
- Accepts Medicare
- 20 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2200 Nw 26Th St
Owatonna, MN 550605503
(507) 451-1120
Credentials & registration
- NPI registered
- July 2007 — 19 yrs on file
- Profile last updated
- January 7, 2021
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (3)
- Minnesota #56274 · Nevada #13215 · Arizona #42245
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457559684. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
241
Distinct HCPCS
4
Medicare allowed
$32,846
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 103 | 103 | $116 | |
99285 |
Emergency department visit with high level of medical decision making | 92 | 90 | $168 | |
99283 |
Emergency department visit with low level of medical decision making | 29 | 28 | $68 | |
99291 |
Critical care, first 30-74 minutes | 17 | 17 | $206 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 71. This provider delivers 3.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
100
Patients
100
Total drug cost
$1,071
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone Hcl | Generic | 21 | 21 | $65 |
| Prednisone | Generic | 20 | 20 | $57 |
| Cephalexin | Generic | 18 | 18 | $136 |
| Doxycycline Hyclate | Generic | 16 | 16 | $365 |
| Cefdinir | Generic | 13 | 13 | $395 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 12 | 12 | $53 |
Hospital affiliations
Frequently asked questions
What is Dr. Sean Brennan's medical specialty?
Dr. Sean Brennan practices Emergency Medicine Physician in Owatonna, MN.
Where does Dr. Sean Brennan practice?
Dr. Sean Brennan practices at 2200 Nw 26Th St, Owatonna, MN 550605503. Office phone: 5074511120.
What is Dr. Sean Brennan's NPI?
Dr. Sean Brennan's National Provider Identifier (NPI) is 1457559684, issued by NPPES.
Does Dr. Sean Brennan accept Medicare assignment?
Yes. Dr. Sean Brennan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sean Brennan commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.