Top Pittsburgh Hospital - UPMC/ULT trading as u2 Interactive. http://ultrasisplc.com/news/article/261.html No. 5 on the list of the largest Pittsburgh-area hospital locations/buildings was UPMC Passavant, with 425 licensed beds. No. 4 on the list of the largest Pittsburgh-area hospital locations/buildings was UPMC Mercy, with 495 licensed beds. No. 3 on the list of the largest Pittsburgh-area hospital locations/buildings was UPMC Shadyside, with 520 licensed beds. No. 2 on the list of the largest Pittsburgh-area hospital locations/buildings was Allegheny General Hospital, with 631 licensed beds. No. 1 on the list of the largest Pittsburgh-area hospital locations/buildings was UPMC Presbyterian, with 792 licensed beds.