Call 1.866.477.5703 from 8 a.m. to 8 p.m., 7 days a week, except Thanksgiving and Christmas. An Express Scripts Medicare advisor can answer your questions, help you choose the right plan and enroll you right on the call. TTY users, call 1.800.716.3231.
Simply print and complete our Medicare Part D enrollment form and mail it to:
Express Scripts Medicare (PDP) Enrollment
P.O. Box 4345
Scranton, PA 18505
Important: You must enroll between October 15 and December 7, or during a Special Enrollment Period, if applicable. If you're new to Medicare, you can enroll anytime during your Initial Enrollment Period. Learn more about when to enroll in Medicare Part D. For additional plan information, please see our Summary of Benefits, Pre-Enrollment Checklist, Star Ratings Report and Multi-Language Insert.