Quick answers
- Which hospitals does Spencer D. Bonnerup work at?
- Medicare's official clinician data lists Spencer D. Bonnerup at 5 hospitals: Mayo Clinic Health System - Albert Lea and Austin, Mayo Clinic Health System - Cannon Falls, Mayo Clinic Health System - Lake City, Mayo Clinic Health System - Mankato and Mayo Clinic Health System in Red Wing. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Spencer D. Bonnerup see patients?
- Medicare's clinician data lists 4 practice locations, including Mankato, MN, Saint James, MN and Austin, MN. Call before your visit to confirm the address.
- What is Spencer D. Bonnerup's specialty?
- Medicare lists Hospitalist as the primary specialty.
- Does Spencer D. Bonnerup accept Medicare assignment?
- Yes. Medicare's clinician data says Spencer D. Bonnerup 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.
- Does Spencer D. Bonnerup offer telehealth?
- Medicare's clinician data says Spencer D. Bonnerup offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Spencer D. Bonnerup?
- (507) 625-4031, as listed in official Medicare / NPI Registry data.
- What is Spencer D. Bonnerup's NPI number?
- 1376129411. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Spencer D. Bonnerup works
Medicare's Facility Affiliation Data lists Spencer D. Bonnerup at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mayo Clinic Health System - Albert Lea and AustinAlbert Lea, MN · Acute Care Hospital · CCN 240043
- Mayo Clinic Health System - Cannon FallsCannon Falls, MN · Critical Access Hospital · CCN 241346
- Mayo Clinic Health System - Lake CityLake City, MN · Critical Access Hospital · CCN 241338
- Mayo Clinic Health System - MankatoMankato, MN · Acute Care Hospital · CCN 240093
- Mayo Clinic Health System in Red WingRed Wing, MN · Acute Care Hospital · CCN 240018
Practice locations
Addresses where Spencer D. Bonnerup is enrolled with Medicare (CMS data updated 2026-10-02).
- 1025 Marsh StMankato, MN 56001 (507) 625‑4031
- 1101 Moulton and Parsons DrSaint James, MN 56081 (507) 375‑3261
- 1701 22nd Ave SWAustin, MN 55912 (507) 434‑0600
- 500 W Grant StLake City, MN 55041 (651) 345‑3321
Group practices
Medicare enrollment lists Spencer D. Bonnerup as a member of these groups (CMS data updated 2026-10-02).
- Mayo Clinic Health System-Southwest Minnesota Region661 clinicians in the group
- Mayo Clinic Health System-Southeast Minnesota Region551 clinicians in the group
- Mayo Clinic Health System-St James76 clinicians in the group
- Mayo Clinic Health System-Lake City69 clinicians in the group
Specialties
- Hospitalistprimary
Other hospitalists in Mankato
Clinicians with the same Medicare primary specialty in Mankato, MN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1376129411 |
| 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