07/23/2025
Three Virginia Mason Franciscan Health hospitals have once again been awarded a prestigious three-star rating from The Society of Thoracic Surgeons (STS), the highest rating possible in cardiac surgery.
St. Joseph Medical Center in Tacoma, Virginia Mason Medical Center in Seattle, and St. Michael Medical Center in Silverdale, have all been awarded three-stars. Each of the three hospitals are recognized for excellence in a distinct type of heart surgery.
Virginia Mason Medical Center earned a three-star rating from STS for its patient care and outcomes in aortic valve replacement (AVR) combined with coronary artery bypass grafting (CABG). The three-star rating places Virginia Mason Medical Center among the elite for AVR+CABG surgery in the United States and Canada. Historically, approximately 4%–7% of participants receive the three-star rating for AVR+CABG surgery.
St. Michael Medical Center received a three-star rating for its patient care and outcomes in isolated coronary artery bypass grafting (CABG) procedures. Approximately 21% of participants receive the three-star rating for isolated CABG surgery, placing St. Michael Medical Center among the elite for heart bypass surgery.
St. Joseph Medical Center earned a three-star rating from STS for its patient care and outcomes in mitral valve replacement and repair (MVRR) surgery. Historically, approximately 11% of participants receive the three-star rating for MVRR surgery, also placing it among the elite.
St. Joseph Medical Center and St. Michael Medical Center also received three-stars for multiprocedural cardiac surgery. To determine this distinction, researchers evaluated patients in North America who had heart surgery over three years. They tracked different types of surgeries, including bypass surgery (CABG), valve replacements (AVR, MVR), and valve repairs (MVVR), sometimes done together. The measurement helps identify the best-performing heart surgery programs in the U.S. and Canada.
These exceptional ratings reflect the skill, dedication and collaborative excellence of our cardiac surgery teams across all three hospitals. When patients need heart surgery, they can trust that Virginia Mason Franciscan Health delivers world-class care with outcomes that rank among the very best in North America.