Claims, Appeals, and Complaints
Claims
If you need to request payment for a Medicare service or item, in most cases you can file a claim. You should only need to file a claim in very rare cases.
Appeals
If you disagree with a coverage or payment decision by Original Medicare, your Medicare health or drug plan, you can file an appeal.
Complaints (Grievances)
If you have concerns about the quality of your care or other services, you can file a complaint.