Plans change every January: premiums, copays, which drugs they cover and which doctors are in the network. October 15 to December 7 is your window to catch it. Changes start January 1.
Part D has a limit on what you pay out of pocket for covered drugs each year ($2,100 in 2026; it's adjusted yearly). You can also ask your plan to spread those costs into monthly payments.
From January 1 to March 31, people in a Medicare Advantage plan can make one switch. Certain life events (like moving) open other windows.
This is the season for TV ads and phone calls. Medicare will never call you uninvited to sell a plan or ask for your Medicare number. If someone pushes you to decide today, hang up and call PA MEDI in Delaware County at 484-494-3769 for free, unbiased help.