How to Pick a 2013 Medicare Part D Plan

Prices for many popular plans will increase significantly.

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Retirees get to choose a new 2013 Medicare prescription drug plan during the annual enrollment period from Oct. 15 to Dec. 7, 2012. Premiums, covered medications, and out-of-pocket costs change each year, so it's a good idea to shop around for a new plan even if you're happy with your current coverage. Here's how to pick a Medicare Part D plan that will best meet your prescription drug needs in 2013:

Compare premiums. The Centers for Medicare and Medicaid Services expects the average 2013 monthly premium for basic prescription drug coverage to be $30 in 2013, which is essentially unchanged from 2012. However, some existing Part D plans will have significant premium increases. Average Part D premiums for current plans will increase by 6 percent in 2013, according to an analysis of Centers for Medicare and Medicaid Services data by Avalere Health, a healthcare consulting company. "Some of the more popular plans from the past have higher premiums, so people would be well-advised to take a look at their options to see if they can save money by switching into a new plan," says Jack Hoadley, a health policy analyst at Georgetown University. "There are some new plans with particularly low premiums offered by some new sponsors. Some plans are getting to be better bargains and some are getting to be more expensive."

Retirees will need to shop around for new plans to avoid sometimes significant premium hikes. For example, the Humana Walmart-Preferred Rx Plan premium will increase by 23 percent in 2013 to $18.50 per month. Premiums will also increase by 15 percent or more for First Health Part D Premier, First Health Part D Value Plus, and Cigna Medicare Rx Plan One. However, there will also be new low-cost options this year, including AARP MedicareRx Saver Plus, which has premiums averaging $15 a month. "Even if you are happy with your coverage, some of the prices may be going up," says Juliette Cubanski, a Medicare policy analyst at the Kaiser Family Foundation. "Look at what else is out there and see if there is something else that might offer you the same coverage or better coverage at a better price."

[See How to Get Retiree Health Insurance Before 65.]

Consider other out-of-pocket costs. Premiums are not the only out-of-pocket cost retirees with Medicare Part D plans face. Medicare Part D plans are allowed to charge deductibles of up to $325 in 2013, although some plans have smaller deductibles. Once you meet the deductible, you may then face copayments or coinsurance charges for covered drugs. You'll need to run the numbers to see if it's worth it to pay higher premiums in exchange for a smaller deductible and copayments. "Typically, the plans that don't change a deductible have a higher premium," says Cubanski. "It really depends on people's willingness to pay costs upfront in the form of a deductible or whether they want to pay a somewhat higher premium and get a little bit higher coverage from their plan." Your premiums may also be increased if you have a high income, don't join a Part D plan as soon as you are eligible to do so, or go more than 63 days without prescription drug coverage. Some retirees may qualify for a low-income subsidy to help pay for out-of-pocket costs.

[See New Retirees: Avoid These Mistakes.]

Examine the formulary. Each Medicare Part D plan has a list of covered medications called the formulary. Prescription drugs are often grouped into tiers of covered drugs that have different out-of-pocket costs. "You really need to look at the total cost for all the drugs that you are using. Go on medicare.gov to the 'plan finder,' enter all the different drugs that you are taking, and see whether copays might change or if there are any formulary changes," says Hoadley. "People that picked a plan originally three or four years ago and have just stayed in that plan may find that they can save a fair amount of money by doing the research and possibly shifting to a new plan."