You are now able to submit feedback about your Medicare health plan or prescription drug plan directly to Medicare using the form below. The Centers for Medicare & Medicaid Services values your feedback and will use it to continue to improve the quality of the Medicare program. If you have any other feedback or concerns, or if this is an urgent matter, please call 1-800-MEDICARE (1-800-633-4227). TTY/TTD users can call 1-877-486-2048. This number is available for you to call 24 hours a day, 7 days a week. 

Medicare Complaint Form