Quick answers
- Does Kathleen K. Klaas accept Medicare assignment?
- Yes. Medicare's clinician data says Kathleen K. Klaas 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 Kathleen K. Klaas see?
- In 2024, CMS data shows 1,527 Original Medicare patients and 2,473 services for Kathleen K. Klaas. This counts Original Medicare only and measures volume, not quality.
- What is Kathleen K. Klaas's NPI number?
- 1467447060. 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 Kathleen K. Klaas, 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 | 1,527 |
|---|---|
| Services billed to Medicare | 2,473 |
| Different services or procedures | 117 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Screening 3d breast mammography (77063)448 services
- Screening mammography (77067)448 services
- X-ray of chest, 2 views (71046)258 services
- X-ray of chest, 1 view (71045)205 services
- Dxa bone density measurement of hip, pelvis, spine (77080)180 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 cholesterol75%
- High blood pressure72%
- Arthritis48%
- Ischemic heart disease31%
- Chronic kidney disease27%
- Anxiety26%
Hospitals where Kathleen K. Klaas works
Medicare's Facility Affiliation Data lists Kathleen K. Klaas 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.
- Waukesha Memorial HospitalWaukesha, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520008
Practice locations
Addresses where Kathleen K. Klaas is enrolled with Medicare (CMS data updated October 2, 2026).
- 725 American AveWaukesha, WI 53188 (262) 928‑2400
- 791 Summit AveOconomowoc, WI 53066 (262) 569‑0263
Group practices
Medicare enrollment lists Kathleen K. Klaas as a member of this group (CMS data updated October 2, 2026).
- Radiology Waukesha SC29 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Waukesha
Clinicians with the same Medicare primary specialty in Waukesha, WI — not a recommendation.
Other clinicians in Radiology Waukesha SC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Creighton University School Of Medicine |
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1467447060 |
| 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