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On average, Part D premiums are rising by $1 in 2015, to $32 per month. But that average is for all plans. Some of the most popular plans are boosting premiums by more than that, s ays Ross Blair, senior vice-president of eHealthMedicare.com, which includes tools to help people compare policies.
Medicare Part D (prescription drug coverage) is a plan covered by private insurance companies. Monthly premiums are dictated by the individual insurance companies. Depending on the adjusted gross income of an individual or a couple, there may be an additional monthly fee from Medicare. There is a maximum additional fee for individuals with income of $215,000 or more and for couples with income of $428,000 or more. Both plan premiums and additional fees are calculated annually.