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Information about Mercy Medical Center’s Transition to Baystate Health

Mercy Medical Center and its affiliated medical group practices joined Baystate Health on November 1, 2026.

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Andrew M. Goldsweig, MD, MS

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heart and vascular doctor preparing for surgery

Each day at Baystate Health, Dr. Andrew Goldsweig and his team in the Heart and Vascular Clinical Research Program work to revolutionize cardiovascular patient care through comprehensive research studies and clinical trials. Behind the precision of every diagnosis and treatment is a dedicated team working behind the scenes, designing clinical trials, analyzing data, monitoring patient safety, and advancing discoveries. The future of cardiovascular medicine begins right here at Baystate Health with this team that is helping to shape tomorrow’s standard of care.

Baystate currently offers patients in western Massachusetts access to more than 15 cardiovascular clinical trials exploring exciting new technologies and therapies. One trial investigates how to repair a congenital hole in the heart with a minimally invasive implant, allowing same-day discharge. Another tests a medication-coated balloon to treat coronary artery blockages without permanently implanting metallic stents. Yet another trial explores a new foam plug device to prevent blood clots from forming in patients with abnormal heart rhythms without the need for blood thinners.

“Baystate’s advances in cardiovascular research provide local patients with access to advanced care they may not be able to receive elsewhere – and bring western Massachusetts to the forefront of innovation in the field globally,” says Dr. Goldsweig.

Dr. Goldsweig came to Baystate Health four years ago to build and grow the Heart and Vascular Clinical Research Program. In addition to his research role, he also relishes his work as an interventional cardiologist. In a typical week, he may perform procedures to help open blocked coronary arteries, repair or replace heart valves, or fix holes in the heart.

“My greatest professional gratification comes when I see patients with acute problems, perform minimally invasive procedures, and, in just an hour or two, help to restore their cardiac function and make them feel better,” he says.

In both the operating room and the research setting, Baystate Health serves a vital role in moving the cardiovascular field forward. Dr. Goldsweig notes that Baystate cardiologists and surgeons participate in national and international conferences and professional societies, sharing their expertise, networking with the very best in their fields, and furthering medical care through leadership in studies and techniques.

“What we do here goes far beyond Baystate,” says Dr. Goldsweig. “Our research and findings help to improve not just individual but global health in the cardiovascular field.”

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