Mass General Brigham is a healthcare system based in Boston, Massachusetts. It was formed by the merger of Massachusetts General Hospital and Brigham and Women's Hospital. The organization includes a network of hospitals, outpatient facilities, and research institutions, providing a wide range of medical services and specialties. The system is known for its commitment to patient care, medical research, and education. It employs thousands of healthcare professionals and collaborates with various academic institutions, including Harvard Medical School, to advance medical knowledge and improve health outcomes for patients in the community and beyond.