Directions to the Nothern Westchester Hospital Center Take I-684 to Exit 4, Mount Kisco. Turn on Route 172 West towards Mount Kisco. Go 2 miles and Hospital is at intersection of Route 117. Use North Entrance to 3 North. Phone 914-242-8144 1305 York Avenue, 6th Floor New York, New York 10021 phone - 646.962.CRMI or 888.703.3456 fax - 212.746.8208 ivf@nyp.org