Massachusetts General Hospital (Mass General or MGH) is the original and largest teaching hospital of Harvard Medical School located in the West End neighborhood of Boston, Massachusetts. It is the third oldest general hospital in the United States and has a capacity of 999 beds. With Brigham and Women's Hospital, it is one of the two founding members of Mass General Brigham (formerly known as Partners HealthCare), the largest healthcare provider in Massachusetts. Massachusetts General Hospital conducts the largest hospital-based research program in the world, with an annual research budget of more than $1 billion in 2019. It is currently ranked as the #6 best hospital in the United States by U.S. News & World Report. - Source: Wikipedia