HEALTH Is ISO an HMO or PPO? InsuNews May 23, 2022 Is ISO an HMO or PPO? ISO works with two PPO networks- FirstHealth & Multiplan . See also What are the two main types of individual health coverage? Post Navigation Previous What is Florida Blue Silver plan?Next What is annual deductible for health insurance mean? More Stories HEALTH Is WPS and Tricare the same? InsuNews May 23, 2022 HEALTH What is WPS Medicare supplement? InsuNews May 23, 2022 HEALTH Who owns WPS? InsuNews May 23, 2022