OR- 1190 5th Ave. 2nd fl New York, NY 10029 212-241-7778 y ) On the day of your surgery please arrive 1 hour before your surgery time and go to: Mount Sinai Surgical Associates Ambulatory Surgery 5 East 98th St 14th fl. (double doors) New York, NY 10029 212-241-0082 u On the day of your surgery please arrive 2 hours before your surgery ti