Pathology Specialists of Arizona

Pathology Specialists of Arizona (PSA) is a premier diagnostic pathology group based in Phoenix, Arizona, providing comprehensive laboratory and consultative services. The organization comprises a large team of board-certified pathologists with subspecialty expertise in fields such as dermatopathology, gastrointestinal pathology, and cytopathology. PSA serves as the primary pathology provider for major healthcare systems in the region, including HonorHealth, and supports numerous outpatient facilities and physician offices. In February 2022, the company was acquired by Sonic Healthcare USA, integrating its clinical expertise into one of the world's largest diagnostic networks.