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 for er care? At Mount Sinai Beth Israel, our highly trained and compassionate doctors have been caring for New York City residents for decades. Today, our ER uses the latest technologies and approaches to provide the finest emergency care available downtown.What is mount sinai beth israel known for? Mount Sinai Beth Israel Mount Sinai Beth Israel 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. We have recruited world-class specialists to expand services in heart disease, cancer, neurology, and orthopedics.