Quick answers
- Which hospitals does Brian Sinclair work at?
- Medicare's official clinician data lists Brian Sinclair at 5 hospitals: Crossing Rivers Health Medical Center, Gundersen Lutheran Medical Center, Mayo Clinic Health System-Franciscan Medical Center Inc, Mayo Clinic Hlth Systm Franciscan Hlthcare Sparta and Winnmed. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Brian Sinclair see patients?
- Medicare's clinician data lists 5 practice locations, including Holmen, WI, Onalaska, WI and La Crosse, WI. Call before your visit to confirm the address.
- What is Brian Sinclair's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Brian Sinclair accept Medicare assignment?
- Yes. Medicare's clinician data says Brian Sinclair 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 Sinclair?
- (608) 526-3351, as listed in official Medicare / NPI Registry data.
- What is Brian Sinclair's NPI number?
- 1790859429. 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 Sinclair works
Medicare's Facility Affiliation Data lists Brian Sinclair at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Crossing Rivers Health Medical CenterPrairie Du Chien, WI · Critical Access Hospital · CCN 521330
- Gundersen Lutheran Medical CenterLa Crosse, WI · Acute Care Hospital · CCN 520087
- Mayo Clinic Health System-Franciscan Medical Center IncLa Crosse, WI · Acute Care Hospital · CCN 520004
- Mayo Clinic Hlth Systm Franciscan Hlthcare SpartaSparta, WI · Critical Access Hospital · CCN 521305
- WinnmedDecorah, IA · Critical Access Hospital · CCN 161371
Practice locations
Addresses where Brian Sinclair is enrolled with Medicare (CMS data updated 2026-10-02).
- 1303 S Main StHolmen, WI 54636 (608) 526‑3351
- 191 Theater RdOnalaska, WI 54650 (608) 392‑5000
- 700 W Ave SLa Crosse, WI 54601 (608) 785‑0940
- 800 E Blackhawk AvePrairie Du Chien, WI 53821 (608) 326‑0808
- 800 W Ave SLa Crosse, WI 54601 (608) 785‑0940
Group practices
Medicare enrollment lists Brian Sinclair as a member of this group (CMS data updated 2026-10-02).
- Mayo Clinic Health System-Southwest Wisconsin Region Inc534 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790859429 |
| 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