10 Frequently Asked Questions About Medicare Advantage 📚 Related: Medicare Advantage Coverage: Comprehensive Immunization Benefits 1. Will I lose my doctors if I get a Medicare Advantage Plan? Doctors fall in and out of plan networks on a rolling basis. This means that your doctor can be in-network with your plan today, and then leave the network tomorrow. Alternatively, your doctor may not be in the network today but become an in-network provider instantly; Notwithstanding, a doctor can choose to accept Medicare