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 Does Amazon Pharmacy accept GoodRx? Post navigation Previous: What does ISO Insurance Cover?Next: Does ISO insurance cover birth control? More Stories HEALTH What states are in WPS? InsuNews May 23, 2022 HEALTH What is TRICARE for Life WPS? InsuNews May 23, 2022 HEALTH Do spouses get TRICARE for Life? InsuNews May 23, 2022