KFF: Part D drug plan premiums projected to jump 50% to $51 a month in 2027
KFF projects the average stand-alone Medicare drug plan premium rises from $34 to $51 a month unless enrollees switch plans. Medicare open enrollment runs through December 7.
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Stand-alone PDP average: $34 in 2026, projected $51 in 2027 (+50%)
Eight national PDPs range from about $6 to $204 a month
99.8% of PDP enrollees face a deductible, up from 96%
Maximum allowed deductible: $700, up from $615
KFF's projection assumes enrollees don't switch. Plan changes for 2027 can be made during Medicare open enrollment, which runs through December 7. People in zero-premium PDPs today won't find one in 2027, per KFF.