Quick answers
- Which hospitals does Brian M. Sullivan work at?
- Medicare's official clinician data lists Brian M. Sullivan at 1 hospital: Fallon Medical Complex Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Brian M. Sullivan see patients?
- Medicare's clinician data lists 2 practice locations, including Baker, MT and Bowman, ND. Call before your visit to confirm the address.
- What is Brian M. Sullivan's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Brian M. Sullivan accept Medicare assignment?
- Yes. Medicare's clinician data says Brian M. Sullivan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Brian M. Sullivan?
- (406) 778-5303, as listed in official Medicare / NPI Registry data.
- What is Brian M. Sullivan's NPI number?
- 1972761252. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Brian M. Sullivan works
Medicare's Facility Affiliation Data lists Brian M. Sullivan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Fallon Medical Complex HospitalBaker, MT · Critical Access Hospital · CCN 271301
Practice locations
Addresses where Brian M. Sullivan is enrolled with Medicare (CMS data updated 2026-10-02).
- 202 S 4th St WBaker, MT 59313 (406) 778‑5303
- 802 2nd St NWBowman, ND 58623
Group practices
Medicare enrollment lists Brian M. Sullivan as a member of these groups (CMS data updated 2026-10-02).
- Southwesthealthcare Services13 clinicians in the group
- Fallon Medical Complex Inc6 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Montana
Clinicians with the same Medicare primary specialty in Montana — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Pittsburgh School Of Medicine |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972761252 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians