[Mount Sinai Health System](https://en.wikipedia.org/wiki/Mount_Sinai_Health_System) > ### History > The Mount Sinai Health System began as a single hospital, founded in 1852 and opened in 1855 as The Jews' Hospital. [Mount Sinai Beth Israel](https://en.wikipedia.org/wiki/Mount_Sinai_Beth_Israel) > Mount Sinai Beth Israel is a 799-bed teaching hospital in New York City.[1] It is part of the Mount Sinai Health System [...] > ### History > Beth Israel is Hebrew for "House of Israel." The hospital was incorporated at Beth Israel Hospital on May 28, 1890 by a group of 40 Orthodox Jews on the Lower East Side of Manhattan, each of whom paid 25 cents to set up a hospital dedicated to serving immigrant Jews living in the tenement slums of the Lower East Side of Manhattan. Presented without comment.