Quick answers
- Does Renee F. Thies accept Medicare assignment?
- Yes. Medicare's clinician data says Renee F. Thies 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 Renee F. Thies see?
- In 2024, CMS data shows 64 Original Medicare patients and 67 services for Renee F. Thies. This counts Original Medicare only and measures volume, not quality.
- What is Renee F. Thies's NPI number?
- 1598744666. 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 Renee F. Thies, 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 | 64 |
|---|---|
| Services billed to Medicare | 67 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
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 pressure75%
- High cholesterol75%
- Ischemic heart disease38%
- Atrial fibrillation38%
- Arthritis36%
- Diabetes34%
Hospitals where Renee F. Thies works
Medicare's Facility Affiliation Data lists Renee F. Thies 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.
- Mayo Clinic Health System Eau Claire HospitalEau Claire, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520070
- Mayo Clinic Health System-Franciscan Medical Center IncLa Crosse, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520004
Practice locations
Addresses where Renee F. Thies is enrolled with Medicare (CMS data updated October 2, 2026).
- 1400 Bellinger StEau Claire, WI 54703 (715) 838‑5222
- 700 W Ave SLa Crosse, WI 54601 (608) 785‑0940
- 800 E Blackhawk AvePrairie Du Chien, WI 53821 (608) 326‑0808
Group practices
Medicare enrollment lists Renee F. Thies as a member of these groups (CMS data updated October 2, 2026).
- Mayo Clinic Health System-Northwest Wisconsin Region Inc802 clinicians in the group
- Mayo Clinic Health System-Southwest Wisconsin Region Inc534 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Wisconsin →
Other nurse anesthetists in Eau Claire
Clinicians with the same Medicare primary specialty in Eau Claire, WI — not a recommendation.
Other clinicians in Mayo Clinic Health System-Northwest Wisconsin Region Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598744666 |
| 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