Plan N is a really good plan. There are 4 differences between Plan F (the full coverage plan) and the Plan N (Not fixed).\n\u2022\tJust like Plan G (the greatest value plan) you pay the $183.00 deductible.\n\u2022\tThen you have up to a $20.00 copy per Doctor visit.\n\u2022\tA $50.00 copay for the ER.\n\u2022\tPart B Excess Charges \u2013 This just means that if a Doctor charges more than Medicare, you might have to pay up to 15% more.