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When do premiums and other costs change?

En español | Every fall, new premiums, deductibles, copayments and coinsurance rates are announced for the following year; they take effect every January.

If you get Social Security or Railroad Retirement benefits, you will receive information about the new amounts in the mail, along with your December cost-of-living adjustment notice. This information will be available each fall on www.medicare.gov, or you can call Medicare at 800-MEDICARE (800-633-4227).

Also in the fall, people with prescription drug plans will receive an annual notice of change letter that contains costs and other details for the following year


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