New York Presbyterian Employee Directory. New York Presbyterian corporate office is located in 466 Lexington Avenue, 13th Floor, Box 38, New York City, New York, 10017, United States and has 30,517 employees. new york presbyterian hospital. newyork-presbyterian hospital. New York and Presbyterian Hospital (NYPH) – a non-profit, tax-exempt 501 (c) (3) hospital – is often referred to as New York-Presbyterian Hospital. But, the NYPH actually consists of 7 hospitals/medical centers. A teaching hospital in New York City, NYPH is affiliated with two medical schools (Columbia and Weill Cornell) and is part of the.