Open Enrollment for Part D 2025 Wednesday, October 15, 2025 10:00 AM 10:00 Sunday, December 7, 2025 11:00 AM 11:00 Hugh F. Miller Insurance Agency, Inc. 801 1st Avenue Rock Falls, IL, 61071 United States (map) Google Calendar ICS Open Enrollment for Part D and Medicare Advantage starts October 15th, 2025. Last day to enroll is December 7th, 2025.