6. How can I switch from a traditional Medicare plan to a Medicare Advantage plan? Posted on September 11, 2017 at 12:18 pm.Written by advantage_admin If you choose to enroll in a Medicare Advantage plan, there is a series of steps that will help you make an informed decision: Choose which type of Medicare Advantage plan you want, such as HMO or PPO Choose whether you would like Prescription Drug Coverage (Part D) Contact your preferred plan, either by phone, through their website, or by visiting your local office. You may also obtain personalized health insurance advice free of cost through your local State Health Insurance Assistance Program (SHIP). SHIP for Puerto Rico is offered through the Puerto Rico Governor’s Office of Elderly Affairs. Post navigation 5. What is a Medigap policy?2. Which Advantage plan should I choose?