Medicare--Level 1 Appeals


Appeal Level


Time Limit for Filing Request

Where to Appeal*

Monetary Threshold to be Met or Amount in Controversy (AIC)

1. Redetermination

Performed by Medicare Administrative Contractor [MAC]

120 days from the date of receipt of the notice initial determination. (The notice is presumed to be received five days from the date of the notice unless there is evidence to the contrary.) 

Part B:Medicare Administrative Contractor [MAC]