Quick answers
- Does Karl L. Eschweiler accept Medicare assignment?
- Yes. Medicare's clinician data says Karl L. Eschweiler 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 Karl L. Eschweiler see?
- In 2024, CMS data shows 26 Original Medicare patients and 35 services for Karl L. Eschweiler. This counts Original Medicare only and measures volume, not quality.
- What is Karl L. Eschweiler's NPI number?
- 1184292203. 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 Karl L. Eschweiler, 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 | 26 |
|---|---|
| Services billed to Medicare | 35 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 57 |
Most frequent services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)15 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)15 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 pressure75%
- High cholesterol73%
- Arthritis58%
- Depression58%
- Diabetes46%
Hospitals where Karl L. Eschweiler works
Medicare's Facility Affiliation Data lists Karl L. Eschweiler 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.
- Aurora St Lukes Medical CenterMilwaukee, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520138
- Froedtert Memorial Lutheran HospitalMilwaukee, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520177
Practice locations
Addresses where Karl L. Eschweiler is enrolled with Medicare (CMS data updated October 2, 2026).
- 2424 S 90th StWest Allis, WI 53227 (414) 328‑8630
- 8701 W Watertown PlankMilwaukee, WI 53226 (414) 805‑3666
- 8701 Watertown Plank Rd, Room 4041 MfrcMilwaukee, WI 53226 (414) 805‑3666
- 9000 W Sura LnGreenfield, WI 53228 (414) 246‑6800
Group practices
Medicare enrollment lists Karl L. Eschweiler as a member of these groups (CMS data updated October 2, 2026).
- Aurora Medical Group, Inc.3,813 clinicians in the group
- The Medical College of Wisconsin Inc2,115 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in West Allis
Clinicians with the same Medicare primary specialty in West Allis, WI — not a recommendation.
Other clinicians in Aurora Medical Group, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | Rush Medical College Of Rush University |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1184292203 |
| 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