Quick answers
- Which hospitals does Michael J. Annen work at?
- Medicare's official clinician data lists Michael J. Annen at 5 hospitals: Abbott Northwestern Hospital, New Ulm Medical Center, St Francis Regional Medical Center, St Lukes Hospital and Welia Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael J. Annen see patients?
- Medicare's clinician data lists 11 practice locations, including Williston, ND, Shakopee, MN and Rochester, MN. Call before your visit to confirm the address.
- What is Michael J. Annen's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Michael J. Annen accept Medicare assignment?
- Yes. Medicare's clinician data says Michael J. Annen 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 Michael J. Annen?
- (701) 774-7400, as listed in official Medicare / NPI Registry data.
- What is Michael J. Annen's NPI number?
- 1326275520. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael J. Annen works
Medicare's Facility Affiliation Data lists Michael J. Annen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Abbott Northwestern HospitalMinneapolis, MN · Acute Care Hospital · CCN 240057
- New Ulm Medical CenterNew Ulm, MN · Critical Access Hospital · CCN 241378
- St Francis Regional Medical CenterShakopee, MN · Acute Care Hospital · CCN 240104
- St Lukes HospitalDuluth, MN · Acute Care Hospital · CCN 240047
- Welia HealthMora, MN · Critical Access Hospital · CCN 241367
Practice locations
Addresses where Michael J. Annen is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 11; the Medicare profile lists all.
- 1301 15th Ave WWilliston, ND 58801 (701) 774‑7400
- 1455 Saint Francis AveShakopee, MN 55379 (952) 428‑3000
- 1650 4th St SERochester, MN 55904 (507) 285‑8485
- 210 9th St SERochester, MN 55904 (507) 288‑3443
- 265 Creek Ln SJordan, MN 55352 (952) 428‑1200
Group practices
Medicare enrollment lists Michael J. Annen as a member of these groups (CMS data updated 2026-10-02).
- Allina Health System3,842 clinicians in the group
- Olmsted Medical Center336 clinicians in the group
- St Francis Regional Medical Center119 clinicians in the group
- Consulting Radiologists Ltd77 clinicians in the group
- Mercy Medical Center77 clinicians in the group
- Radiology Chartered41 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Williston
Clinicians with the same Medicare primary specialty in Williston, ND — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Baylor College Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326275520 |
| 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