The Radia Group consists of five separate entities: Radia Inc., P.S., Evergreen Radia LLC,, Swedish Radia Imaging Center at Edmonds LLC, Seattle Radiology, and South Sound Radiology. Each of the four outpatient facilities are ACR-accredited radiology imaging centers providing radiology imaging services. The imaging centers coordinate their services for mutual patients with Radia Inc., P.S., who provides image interpretation and therapeutic radiology services. With more than 200 board-certified, sub-specialty trained radiologists, Radia Inc., P.S. is one of the largest 100% physician-owned and operated radiology groups in the United States.