Complex sentence: It was established on its current site in 1909, and has since grown into a multi-site community medical center serving many ethnic neighborhoods.Coney Island Hospital, the largest medical facility in the southern Brooklyn area, serves a diversified cultural and a large geriatric population.
Split into simpler sentences: It was established on its current site in 1909, and has since grown into a multi-site community medical center serving many ethnic neighborhoods. It is the largest medical facility in the southern Brooklyn area, serves a diversified cultural and a large geriatric population.