Instructions for Enrolling in a 2015 Off-Exchange Policy with Assurant Health If you have not yet purchased 2015 health insurance, we can help! We are excited that Assurant Health is offering a national PPO network option for 2015. This means access to in-network care, nationwide. Assurant is offering nationwide access through Aetna’s national PPO network. If you are ready to enroll in an off-exchange plan with Assurant Health, click here