Hartford Hospital | 25,767 followers on LinkedIn. Hartford Hospital, founded in 1854, is one of the largest teaching hospitals and tertiary care centers in New England with perhaps the region’s busiest surgery practice, has been training physicians for over 160 years. The hospital is an 867-bed regional referral center that provides high-quality care in all clinical disciplines. Among its divisions is The Institute of Living, a 114-bed mental health facility with a national and international reputation of excellence.