Carle Health, Aetna finalize agreement on Medicare Advantage plan Jan 4, 2023 | Hospitals, Insurance, Top Stories Carle Health and Aetna have finalized an agreement to ensure the Urbana-based provider will be in network for the insurer's Medicare Advantage plan.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.