Allegheny Health Network's Cardiovascular Institute Earns Elite National Ratings

AHN Allegheny General Hospital receives highest 3-star ratings across five cardiac surgery procedures

Published on Mar. 4, 2026

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AHN Allegheny General Hospital, the flagship medical facility of Allegheny Health Network, has been recognized as one of the nation's top adult cardiac surgery programs by the Society of Thoracic Surgeons (STS). The hospital received the highest 3-star rating in five out of six evaluated categories for its surgical care outcomes and quality metrics, including procedures like coronary artery bypass graft surgery, aortic valve replacement, and mitral valve replacement and repair. Two other AHN hospitals, Forbes Hospital and Jefferson Hospital, also earned 3-star designations from STS.

Why it matters

The STS star rating system is considered one of the most sophisticated and highly regarded measures of quality in healthcare. Earning the highest 3-star ratings across multiple cardiac surgery procedures places AHN's cardiovascular institute among the elite programs nationwide, reinforcing the network's reputation for clinical excellence and award-winning care.

The details

AHN Allegheny General Hospital received 3-star ratings in five out of six evaluated categories, including coronary artery bypass graft surgery, aortic valve replacement, mitral valve replacement and repair, multivalve procedures, and surgical valve replacement combined with coronary artery bypass graft surgery. AHN Forbes Hospital and AHN Jefferson Hospital also earned 3-star designations in isolated coronary artery bypass graft surgery and aortic valve replacement with coronary artery bypass graft surgery, respectively. The STS analysis included data from 941 participants across the U.S. and Canada, with less than 5% earning the top 3-star rating for certain procedures.

  • The STS analysis covered the reporting period from July 1, 2022, through June 30, 2025.

The players

Allegheny Health Network

An integrated healthcare delivery system serving the greater Western Pennsylvania region, composed of 14 hospitals, ambulatory surgery centers, Health + Wellness Pavilions, multiple employed physician organizations, home and community-based health services, a research institute, and a group purchasing organization.

AHN Allegheny General Hospital

The flagship quaternary medical facility of Allegheny Health Network, recognized as one of the nation's top adult cardiac surgery programs.

AHN Forbes Hospital

An Allegheny Health Network hospital located in Monroeville, Pennsylvania, which received a 3-star designation from STS for isolated coronary artery bypass graft surgery.

AHN Jefferson Hospital

An Allegheny Health Network hospital located in Jefferson Hills, Pennsylvania, which received a 3-star designation from STS for aortic valve replacement with coronary artery bypass graft surgery.

Society of Thoracic Surgeons (STS)

A not-for-profit organization representing more than 7,800 cardiothoracic surgeons, researchers, and allied healthcare professionals worldwide, dedicated to ensuring the best possible outcomes for surgeries of the heart, lung, and esophagus.

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What they’re saying

“The STS star rating system is one of the most sophisticated and highly regarded overall measures of quality in health care. We couldn't be more proud of the incredible showing across all of our cardiac surgery programs – we're thrilled with our consistent performance which places our cardiac surgery program among the most elite nationwide. They are a testament to our clinical teams' unwavering dedication to maintaining exceptional patient outcomes through evidence-based therapies and innovative medicine.”

— Stephen Bailey, Chair of AHN Cardiovascular Institute (Allegheny Health Network)

“These ratings from the Society of Thoracic Surgeons reinforce AHN Cardiovascular Institute's longstanding reputation for clinical excellence and award-winning care. Transparent, third-party evaluations are invaluable as they empower patients to make truly informed decisions when entrusting their cardiac care to our highly skilled physicians.”

— Walt McGregor, Cardiac surgeon and director of the network's cardiac surgery program (Allegheny Health Network)

What’s next

AHN Allegheny General Hospital will continue to maintain its high standards of care and work towards further improving its cardiac surgery outcomes to retain its elite national ratings.

The takeaway

Allegheny Health Network's cardiovascular institute has demonstrated its commitment to providing exceptional cardiac care, as evidenced by its consistently high ratings from the Society of Thoracic Surgeons. This recognition underscores the network's dedication to delivering innovative, evidence-based treatments and maintaining a relentless focus on patient outcomes.