West Penn Allegheny Health System ^R&D

Allegheny Health Network (AHN), based in Pittsburgh, is a non-profit, 13-hospital academic medical system with facilities located in Western Pennsylvania and one hospital in Western New York. AHN was formed in 2013 when Highmark Inc., a Pennsylvania-based Blue Cross Blue Shield insurance carrier, purchased the assets of the West Penn Allegheny Health System (WPAHS) and added three more hospitals to its provider division.