OLYMPIA, Wash. — The annual open enrollment period for people who currently have a Medicare Advantage health plan started January 1.

Current Medicare Advantage enrollees can make changes to their plan through March 31, when the open enrollment period ends. Changes made during open enrollment go into effect the first day of the following month after you enroll.

If you’re a current Medicare Advantage enrollee and want to change plans, make sure your doctor is included in the new plan’s provider network, your prescription drugs are covered and you’ve read the details of the new plan before switching.

If you’re currently enrolled in a Medicare Advantage plan and want to make a change, you can: