Quick answers
- Does Andrea K. Dietzenbach accept Medicare assignment?
- Yes. Medicare's clinician data says Andrea K. Dietzenbach 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 Andrea K. Dietzenbach's NPI number?
- 1205141835. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Andrea K. Dietzenbach works
Medicare's Facility Affiliation Data lists Andrea K. Dietzenbach 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.
- Gundersen Lutheran Medical CenterLa Crosse, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520087
- Gundersen Palmer Lutheran Hospital and ClinicsWest Union, IA · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 161316
Practice locations
Addresses where Andrea K. Dietzenbach is enrolled with Medicare (CMS data updated October 2, 2026).
- 106 E MainCalmar, IA 52132 (563) 562‑3211
- 110 Jefferson StWest Union, IA 52175 (563) 422‑3817
- 111 S Reynolds St, Gundersen Palmer PostvillePostville, IA 52162 (563) 864‑7512
- 112 Jefferson StWest Union, IA 52175 (563) 422‑3811
- 50 N 4th StLansing, IA 52151 (563) 538‑4874
Group practices
Medicare enrollment lists Andrea K. Dietzenbach as a member of these groups (CMS data updated October 2, 2026).
- Gundersen Clinic Ltd418 clinicians in the group
- Palmer Lutheran Health Center Inc37 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Calmar
Clinicians with the same Medicare primary specialty in Calmar, IA — not a recommendation.
Other clinicians in Gundersen Clinic Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205141835 |
| 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