Karen E. Madsen Drescher, MD

Medicare activity in 2024

Official CMS public-use data for Karen E. Madsen Drescher, 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.

Most frequent services

1. Anesthesia for lens surgery (00142)18 services
2. Injection of anesthetic agent and/or steroid into other nerve or branch (64450)15 services
3. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)12 services
4. Ultrasonic guidance for needle placement (76942)12 services
5. Anesthesia for other procedure on eye (00140)11 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 cholesterol70%
• Arthritis51%
• Ischemic heart disease33%
• Chronic kidney disease33%
• Depression30%

Hospitals where Karen E. Madsen Drescher works

Medicare's Facility Affiliation Data lists Karen E. Madsen Drescher 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.

• 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 Karen E. Madsen Drescher is enrolled with Medicare (CMS data updated October 2, 2026).

• 8701 W Watertown PlankMilwaukee, WI 53226 (414) 805‑3666
• 8701 Watertown Plank Rd, Room 4041 MfrcMilwaukee, WI 53226 (414) 805‑3666

Group practices

Medicare enrollment lists Karen E. Madsen Drescher as a member of this group (CMS data updated October 2, 2026).

• The Medical College of Wisconsin Inc2,115 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in Wisconsin →

Other anesthesiologists in Milwaukee

Clinicians with the same Medicare primary specialty in Milwaukee, WI — not a recommendation.

• Stacy J. Peterson, MD
• Dennis K. Barnes, MD
• Neil Guenther, MD
• Khalid G. Al Abdul Raheem, MD
• Marijan J. Jednacak, MD
• Anna Budd, MD
• Kathryn K. Lauer, MD
• Angela M. Arndt, MD

All anesthesiologists in Milwaukee →

Other clinicians in The Medical College of Wisconsin Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Dennis K. Barnes, MD
• Emily L. Joachim, MD
• Jessica Halyko
• Mary Beth Graham, MD
• Maximilian J. Cruz, MD
• Jessica C. Stromich

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians