William S. Ragalie, MD

Medicare activity in 2024

Official CMS public-use data for William S. Ragalie, 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. Coronary artery bypass using artery graft, 1 graft (33533)17 services
2. Replacement of aortic valve through the skin and femoral artery (33361)16 services
3. Harvest of vein using an endoscope (33508)15 services
4. Coronary artery bypass using vein or artery graft, 2 grafts (33518)12 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%
• Ischemic heart disease75%
• Heart failure57%
• Arthritis51%
• Diabetes37%

Hospitals where William S. Ragalie works

Medicare's Facility Affiliation Data lists William S. Ragalie 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.

• Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520051
• Waukesha Memorial HospitalWaukesha, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520008

Practice locations

Addresses where William S. Ragalie is enrolled with Medicare (CMS data updated October 2, 2026).

• 2350 N Lake Dr, Suite 400Milwaukee, WI 53211 (414) 271‑1633
• 725 American AveWaukesha, WI 53188 (262) 928‑7276
• 791 Summit AveOconomowoc, WI 53066 (262) 569‑0554

Group practices

Medicare enrollment lists William S. Ragalie as a member of these groups (CMS data updated October 2, 2026).

• Prohealth Medical Group Inc479 clinicians in the group
• Columbia St Marys Hospital Milwaukee Inc306 clinicians in the group

Specialties

• Thoracic Surgeryprimary
• Cardiac Surgeryalso

Find other Thoracic Surgery doctors in Wisconsin →

Other thoracic surgeons in Milwaukee

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

• David S. Demos, MD
• Andrei Churyla, MD
• John D. Crouch, MD
• Manuel R. Rojo, MD
• Yuting P. Chiang, MD
• Asher Weisberg, MD
• Mario G. Gasparri, MD
• Stefano Schena

All thoracic surgeons in Milwaukee →

Other clinicians in Prohealth Medical Group Inc

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

• Holly B. Maciejewski
• Caitlin Glindinning
• Patricia Toro Perez, MD
• Jamey Jick, MD
• Jeanne M. Medina, MD
• Eric R. Boehm

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