Quick answers
- Which hospitals does Karl Stien work at?
- Medicare's official clinician data lists Karl Stien at 5 hospitals: Aspirus Stanley Hospital, Burnett Medical Center, Cumberland Memorial Hospital, Spooner Health System and Winona Health Services. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Karl Stien see patients?
- Medicare's clinician data lists 10 practice locations, including Flint, MI, Rice Lake, WI and Wabasha, MN. Call before your visit to confirm the address.
- What is Karl Stien's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Karl Stien accept Medicare assignment?
- Yes. Medicare's clinician data says Karl Stien 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 Karl Stien?
- (810) 262-7333, as listed in official Medicare / NPI Registry data.
- What is Karl Stien's NPI number?
- 1104872092. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Karl Stien works
Medicare's Facility Affiliation Data lists Karl Stien at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aspirus Stanley HospitalStanley, WI · Critical Access Hospital · CCN 521311
- Burnett Medical CenterGrantsburg, WI · Critical Access Hospital · CCN 521331
- Cumberland Memorial HospitalCumberland, WI · Critical Access Hospital · CCN 521353
- Spooner Health SystemSpooner, WI · Critical Access Hospital · CCN 521332
- Winona Health ServicesWinona, MN · Acute Care Hospital · CCN 240044
Practice locations
Addresses where Karl Stien is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.
- 1 Hurley PlzFlint, MI 48503 (810) 262‑7333
- 1024 N Main StRice Lake, WI 54868 · Diagnostic Radiology Associates of Wisconsin SC (715) 234‑8151
- 1200 Grant Blvd WWabasha, MN 55981 · Medical X-Ray Consultants Ltd (651) 565‑5500
- 2661 County Hwy IChippewa Falls, WI 54729 · Medical X-Ray Consultants Ltd (715) 723‑1811
- 3 Ironclad RdCape Elizabeth, ME 04107 (219) 767‑6320
Group practices
Medicare enrollment lists Karl Stien as a member of these groups (CMS data updated 2026-10-02).
- County of Santa Clara1,022 clinicians in the group
- Hurley Medical Center342 clinicians in the group
- Imaging Associates of Indiana PC301 clinicians in the group
- Radia Inc P S277 clinicians in the group
- Imaging Associates of Michigan PLLC158 clinicians in the group
- Radia California Radiology Medical Group Inc136 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Flint
Clinicians with the same Medicare primary specialty in Flint, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104872092 |
| 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