Welcome to Lahey Hospital & Medical Center, part of Beth Israel Lahey Health. Lahey Hospital & Medical Center is a world-renowned tertiary medical center known for its innovative technology, pioneering medical treatment and leading-edge research. A teaching hospital of Tufts University School of Medicine, the hospital provides quality health care in virtually every specialty and subspecialty, from primary care to cancer diagnosis and treatment to kidney and liver transplantation. It is a national leader in a number of health care areas, including stroke, weight management and lung screenings, among many others. Lahey also helps to advance medicine through research and the education of tomorrow's health care leaders.