Belated Notifications (4 facilities). The address 506 Lenox Avenue can apply to all of Harlem Hospital. In a telephone call, I verified that Harlem Hospital comprises a complex of many buildings. This complex occupies the rectangular area between 5th Avenue and Lenox Aveue (Malcolm X Boulevard) and between 135th Street and 137th Street. The Women's Pavilion fronts on 137th Street. However , all correspondence is mailed to 506 Lenox Avenue which is therefore the valid location. QED - quod erat demonstrandum - which was to be demonstrated.