Mount St. Mary's is a 175 bed community hospital in Lewiston, New York. We are located on the border of the United States and Canada; to our east is the Tuscarora Nation, to the south the City of Niagara Falls, to the west the Niagara River and Canada and to the north the villages of Lewiston and Youngstown and Lake Ontario. Mount St. Mary's offer a wide-array of inpatient and outpatient programs.