Quick answers
- Does Karla L. Stumpp accept Medicare assignment?
- Yes. Medicare's clinician data says Karla L. Stumpp 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 Karla L. Stumpp see?
- In 2024, CMS data shows 78 Original Medicare patients and 297 services for Karla L. Stumpp. This counts Original Medicare only and measures volume, not quality.
- What is Karla L. Stumpp's NPI number?
- 1336621713. 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 Karla L. Stumpp, 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 | 78 |
|---|---|
| Services billed to Medicare | 297 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)70 services
- Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)70 services
- Nursing facility discharge management, more than 30 minutes (99316)50 services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)23 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 cholesterol75%
- Arthritis65%
- Chronic kidney disease58%
- Depression49%
- Anxiety47%
Hospitals where Karla L. Stumpp works
Medicare's Facility Affiliation Data lists Karla L. Stumpp 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.
- Aspirus Stevens Point Hospital & Clinics, Inc.Stevens Point, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520002
- Aspirus Wausau HospitalWausau, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520030
- Langlade HospitalAntigo, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521350
- Marshfield Medical CenterMarshfield, WI · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 520037
- Marshfield Medical Center - WestonWeston, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520202
Practice locations
Addresses where Karla L. Stumpp is enrolled with Medicare (CMS data updated October 2, 2026).
- 15430 W Capitol Dr, Suite 300Brookfield, WI 53005 (262) 421‑5133
- 200880 Canopy LnRosholt, WI 54473 (715) 439‑3084
Group practices
Medicare enrollment lists Karla L. Stumpp as a member of these groups (CMS data updated October 2, 2026).
- Geiger Medical LLC27 clinicians in the group
- 3D Healthcare Consulting LLC8 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Brookfield
Clinicians with the same Medicare primary specialty in Brookfield, WI — not a recommendation.
Other clinicians in Geiger Medical LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1336621713 |
| 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