Doctor profile · Federal record
Dr. Timothy Sullivan, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Bozeman, MT
- NPI 1255597084
- Accepts Medicare
- MIPS 80.8 / 100 · 2023
- 18 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
915 Highland Blvd
Bozeman, MT 597156902
(406) 414-5000 - Mailing address
-
Bozeman Health Deaconess Hospital, 915 Highland Blvd
Bozeman, MT 597156902
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 license (1)
- Montana #49778
- Medicaid
- MT #1255597084
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255597084. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
244
Distinct HCPCS
4
Medicare allowed
$35,669
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 96 | 92 | $121 | |
99285 |
Emergency department visit with high level of medical decision making | 72 | 72 | $177 | |
99291 |
Critical care, first 30-74 minutes | 41 | 40 | $214 | |
99283 |
Emergency department visit with low level of medical decision making | 35 | 33 | $72 |
In context: peer comparison
Among 13 peers in this city , average services per provider: 63. This provider delivers 3.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
30
Patients
30
Total drug cost
$256
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Morphine Sulfate | Generic | 17 | 17 | $66 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 13 | 13 | $191 |
Hospital affiliations
Frequently asked questions
What is Dr. Timothy Sullivan's medical specialty?
Dr. Timothy Sullivan practices Emergency Medicine Physician in Bozeman, MT.
Where does Dr. Timothy Sullivan practice?
Dr. Timothy Sullivan practices at 915 Highland Blvd, Bozeman, MT 597156902. Office phone: 4064145000.
What is Dr. Timothy Sullivan's NPI?
Dr. Timothy Sullivan's National Provider Identifier (NPI) is 1255597084, issued by NPPES.
Does Dr. Timothy Sullivan accept Medicare assignment?
Yes. Dr. Timothy Sullivan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Sullivan 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); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.