Seniors who like their Medicare choice this year, shouldn't assume it will be the same next year.
A doctor in your network this year could be out of network next year. The same goes for a prescription drug that is covered this year.
Seniors who aren't comparison shopping during Medicare open enrollment, could see their costs increase.
Colleen Krepstekies with the AARP says her agency can connect seniors to organizations that can help them navigate the enrollment process.