Medicare Part D Penalty Calculator Please fill in the dates below to get an estimated penalty amount. Medicare Eligibility DateIf your eligibility date is prior to June 2006 you will use June 2006 as the starting valueEligible MonthJanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberEligible YearPlease enter a number from 2006 to 2025.ELIGIBLE TOTALMedicare Enrollment DateEnroll MonthJanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberEnroll YearPlease enter a number from 2006 to 2025.ENROLL TOTALTOTAL DIFFERENCEYEAR WARNINGPENALTY CALCPENALTY CALC 2The Eligibility Date must come before your Enroll Dates. Monthly PenaltyThis is only an estimate. Your actual penalty cost may vary. PhoneThis field is for validation purposes and should be left unchanged.