Quick answers
- Does Sheila K. Teiken accept Medicare assignment?
- Yes. Medicare's clinician data says Sheila K. Teiken accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Sheila K. Teiken's NPI number?
- 1124730726. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sheila K. Teiken works
Medicare's Facility Affiliation Data lists Sheila K. Teiken at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Altru HospitalGrand Forks, ND · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 350019
- Essentia Health FosstonFosston, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241357
Practice locations
Addresses where Sheila K. Teiken is enrolled with Medicare (CMS data updated October 2, 2026).
- 111 2nd St NEFosston, MN 56542 (218) 435‑1111
Group practices
Medicare enrollment lists Sheila K. Teiken as a member of this group (CMS data updated October 2, 2026).
- Headwaters Health PC10 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Minnesota
Clinicians with the same Medicare primary specialty in Minnesota — not a recommendation.
Other clinicians in Headwaters Health PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2022 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124730726 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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