XXXX collections are from the medical field.I have contacted my insurance company to find none of these claims were filed correctly I have XXXX ( national association of letter carriers ) and my wife has medicare all these were for her treatment not mine. Her primary insurance is medicare XXXX XXXX. These companies representing collections is incorrect information Medical companies do not know how to bill. the largest amount is XXXX which was an ambulance ride for my wife medicare pays full amount we owe all XXXX collections are inaccurate filed incorrectly