Doctor profile · Federal record
Dr. Bret Birrer, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Bozeman, MT
- NPI 1902069131
- Accepts Medicare
- MIPS 69.1 / 100 · 2023
- 18 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
915 Highland Blvd
Bozeman, MT 597156902
(406) 414-5000 - Additional location
-
1501 N Campbell Ave
Tucson, AZ 857240001
(520) 694-6093
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- April 10, 2025
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Montana #MED-PHYS-LIC-48465 · Arizona #R70580
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902069131. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
172
Distinct HCPCS
4
Medicare allowed
$26,136
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 70 | 69 | $177 | |
99284 |
Emergency department visit with moderate level of medical decision making | 64 | 62 | $121 | |
99291 |
Critical care, first 30-74 minutes | 23 | 23 | $214 | |
99283 |
Emergency department visit with low level of medical decision making | 15 | 15 | $72 |
In context: peer comparison
Among 13 peers in Bozeman Emergency Medicine Physician, average services per provider: 63. This provider delivers 2.7× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Bret Birrer's medical specialty?
Dr. Bret Birrer practices Emergency Medicine Physician in Bozeman, MT.
Where does Dr. Bret Birrer practice?
Dr. Bret Birrer practices at 915 Highland Blvd, Bozeman, MT 597156902. Office phone: 4064145000.
What is Dr. Bret Birrer's NPI?
Dr. Bret Birrer's National Provider Identifier (NPI) is 1902069131, issued by NPPES.
Does Dr. Bret Birrer accept Medicare assignment?
Yes. Dr. Bret Birrer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Bret Birrer commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.