1. Review each Medicare Summary Notice (MSN) or Explanation of Benefits (EOB) as soon as you receive it.
2. Follow up on anything you see that you don’t understand.
Medicare sends you a summary notice every three months, if you have Original Medicare. You can also see these documents online at MyMedicare.gov. You’ll need to register on the site. If you have a Medicare Advantage plan or a prescription drug plan, your plan sends you a monthly statement (EOB). Many plans also have member web sites where you can register to view your EOBs online.
Click here to read more on What to Look Forhttp://blog.medicaremadeclear.com/blog/bid/113346/How-to-Report-Suspected-Medicare-Fraud
Taken from article posted by Medicare Made Clear Blog.