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[Term] Assignment (for people in Original Medic [Definition] 
If your doctor "accepts assignment," it means that the doctor will charge you the standard rates or "approved amount" that the federal government sets for medical services. Medicare Part B will pay for 80% of these standard charges and no more. If your doctor does not charge the standard rates, by law the doctor cannot charge more than 15% above these rates. You may want to choose doctors who accept assignment to keep your costs low. Doctors and other health care providers that "accept assignment" are referred to as "participating providers."
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