Quick answers
- Does Madeline M. Foss accept Medicare assignment?
- Yes. Medicare's clinician data says Madeline M. Foss 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 Madeline M. Foss's NPI number?
- 1851171680. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Madeline M. Foss works
Medicare's Facility Affiliation Data lists Madeline M. Foss 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.
- Avera Heart Hospital of South DakotaSioux Falls, SD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 430095
- Avera McKennan Hospital & University Health CenterSioux Falls, SD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 430016
- Lakes Regional HealthcareSpirit Lake, IA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 160124
- Milbank Area Hospital/Avera HealthMilbank, SD · Critical Access Hospital · Emergency services: listed by Medicare · CCN 431326
- Sioux Center HealthSioux Center, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161346
Practice locations
Addresses where Madeline M. Foss is enrolled with Medicare (CMS data updated October 2, 2026).
- 4500 W 69th StSioux Falls, SD 57108
- 4520 W 69th StSioux Falls, SD 57108 (605) 977‑5000
Group practices
Medicare enrollment lists Madeline M. Foss as a member of this group (CMS data updated October 2, 2026).
- Heart Hospital of South Dakota LLC67 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Sioux Falls
Clinicians with the same Medicare primary specialty in Sioux Falls, SD — not a recommendation.
Other clinicians in Heart Hospital of South Dakota LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851171680 |
| 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