Welcome to the Division of Cardiothoracic Surgery


George B. Haasler, MDGeorge B. Haasler, MD
Professor and Interim Chief
Division of Cardiothoracic Surgery

Cardiothoracic surgery is a specialty consisting of the surgical treatment of congenital and acquired abnormalities of the heart and cardiovascular system, lungs and chest wall. Surgeons address the entire spectrum of problems in patients of all ages, sizes and maturity levels - from prenatal consultation to adults with congenital heart disease. Heart and aorta procedures include “beating heart” coronary bypass, valve surgery and surgery to correct heart rhythm problems. Our cardiothoracic surgeons also implant heart assist devices and perform heart transplants.

Clinical Highlights/Programs

Clinical Programs

  • General Thoracic Surgery
  • Cardiac Surgery
    • Aortic Surgery
    • Cardiac Valve Surgery
    • Coronary Surgery
  • Lung Transplant Program

Contact Us

Medical College of WI
Cardiothoracic Surgery
9200 W. Wisconsin Avenue
Milwaukee, WI 53226

Patient Appointments (Adult)
(414) 955-6900
(414) 955-6204 (fax)

Administrative Offices
(414) 955-6900
(414) 955-6204 (fax)

Residency Program
(414) 955-6904
(414) 955-6204 (fax)

Children's Hospital of WI
Cardiothoracic Surgery
9000 W. Wisconsin Avenue
Milwaukee, WI 53226

Patient Appointments (Pediatric)
(414) 607-5280

Administrative Offices
Viktor Hraska, MD
(414) 266-2638
Michael Mitchell, MD
(414) 266-2491
Ronald Woods, MD
(414) 266-2070