MDI Health Launches Unified Brand to Reflect Full Scope of Community Care BAR HARBOR, Maine: Mount Desert Island Hospital, its affiliated health centers, and Birch Bay Village today announced the launch of their own unified brand, Mount Desert Island (MDI) Health, a milestone that brings clarity, connection, and a shared identity to the region’s independent healthcare system.The unified brand reflects what has long been true: care across Mount Desert Island is delivered through a connected network. While