Quick answers
- Does Michelle L. Udelhoven accept Medicare assignment?
- Yes. Medicare's clinician data says Michelle L. Udelhoven 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.
- How many Medicare patients does Michelle L. Udelhoven see?
- In 2024, CMS data shows 53 Original Medicare patients and 131 services for Michelle L. Udelhoven. This counts Original Medicare only and measures volume, not quality.
- What is Michelle L. Udelhoven's NPI number?
- 1356696421. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Michelle L. Udelhoven, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 53 |
|---|---|
| Services billed to Medicare | 131 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Hemoglobin a1c level (83036)24 services
- Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza (87428)20 services
- Routine electrocardiogram (ecg) using at least 12 leads with tracing (93005)11 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure68%
- High cholesterol60%
- Diabetes38%
- Arthritis25%
Hospitals where Michelle L. Udelhoven works
Medicare's Facility Affiliation Data lists Michelle L. Udelhoven 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 St Mary's HospitalPierre, SD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 430015
- Winner Regional Healthcare Center - CAHWinner, SD · Critical Access Hospital · Emergency services: listed by Medicare · CCN 431334
Practice locations
Addresses where Michelle L. Udelhoven is enrolled with Medicare (CMS data updated October 2, 2026).
- 161 S MainMission, SD 57555 (605) 856‑2295
- 301 4th StWhite River, SD 57579 (605) 259‑3121
Group practices
Medicare enrollment lists Michelle L. Udelhoven as a member of this group (CMS data updated October 2, 2026).
- Horizon Health Care Inc55 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in South Dakota
Clinicians with the same Medicare primary specialty in South Dakota — not a recommendation.
Other clinicians in Horizon Health Care Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356696421 |
| 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
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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