Trustmark Insurance offers the following Preferred Provider Organizations, which have been selected based on a rigorous set of standards. Using PPO physicians and hospitals help control healthcare costs. Find the network below and instantly link to its website. To determine each network's physicians and hospitals, click on one of the PPOs below to view their website. Select a Network 4-Most Health Network Accountable Health Plans of America Alliance PPO American Life Care (ALC) Associates for Healthcare/HealthEOS by Multiplan (AHC)* Health Care Savings HealthEOS by MultiPlan * HealthLink HealthSmart MedCost Preferred Midlands Choice Preferred Community Choice Preferred One Premier Health Systems Private Healthcare Systems (PHCS) Sagamore Network SouthCare of Georgia Texas True Choice