Here are some important deadlines for 2017 Open Enrollment. Exceptions cannot be made. After open enrollment ends, enrollment and changes are available only for a small number of (major) life events.
Nov. 1, 2016: Open Enrollment starts — first day you can enroll, re-enroll, or change a 2017 insurance plan. Coverage can start as soon as Jan. 1, 2017 if enrollment is completed by December 15th, 2016.
Dec. 15, 2016: The last day to enroll in or change plans for coverage to start Jan. 1, 2017.
Jan. 15, 2017: The last day to enroll in or change plans for coverage to start Feb. 1, 2017.
Jan. 31, 2017: Last day to enroll in or change a 2017 health plan for coverage to start Mar. 1, 2017. After this date, you can enroll or change plans ONLY if you qualify for a Special Enrollment Period.