Quick answers
- Which hospitals does Brian A. Brennan work at?
- Medicare's official clinician data lists Brian A. Brennan at 1 hospital: Prairie Ridge Hospital and Health Services. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Brian A. Brennan see patients?
- Medicare's clinician data lists 2 practice locations, including Evansville, MN and Fergus Falls, MN. Call before your visit to confirm the address.
- What is Brian A. Brennan's specialty?
- Medicare lists Allergy/Immunology as the primary specialty.
- Does Brian A. Brennan accept Medicare assignment?
- Yes. Medicare's clinician data says Brian A. Brennan 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 A. Brennan?
- (218) 948-2040, as listed in official Medicare / NPI Registry data.
- What is Brian A. Brennan's NPI number?
- 1376536920. 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 A. Brennan works
Medicare's Facility Affiliation Data lists Brian A. Brennan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Prairie Ridge Hospital and Health ServicesElbow Lake, MN · Critical Access Hospital · CCN 241379
Practice locations
Addresses where Brian A. Brennan is enrolled with Medicare (CMS data updated 2026-10-02).
- 649 /2 State St NWEvansville, MN 56326 (218) 948‑2040
- 712 S Cascade StFergus Falls, MN 56537 (218) 736‑8000
Group practices
Medicare enrollment lists Brian A. Brennan as a member of this group (CMS data updated 2026-10-02).
- Lake Region Healthcare Corporation105 clinicians in the group
Specialties
- Allergy/Immunologyprimary
Other allergist and immunologists in Minnesota
Clinicians with the same Medicare primary specialty in Minnesota — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376536920 |
| 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