What is the address for mount sinai beth israel? Address: Mount Sinai Beth Israel 281 First Avenue (First Avenue at 16th Street) New York, NY 10003 281 First Avenue (First Avenue at 16th Street) New York, NY 10003.Where is the emergency room at mount sinai? Emergency Department. Mount Sinai Beth Israel’s award-winning Emergency Room (ER) is conveniently located at 16th Street and Nathan D. Perlman Place, between First and Second Avenues. At Mount Sinai Beth Israel, our highly trained and compassionate doctors have been caring for New York City residents for decades.Why choose mount sinai beth israel? We are taking every step possible to keep our patients and staff safe. A teaching hospital founded in 1889 on Manhattan’s Lower East Side, Mount Sinai Beth Israel is notable for its unique approach to combining medical excellence with clinical innovation.How do i contact a patient representative at mount sinai? The Mount Sinai Health System has patient representative offices at each of the main hospital campuses. You may also reach a patient representative by email, at [email protected].