Medicare Prescription Drug (Part D) Plan Costs

When you look at Medicare Prescription Drug plans, your out-of-pocket expenses may vary with each one. Weigh the costs with the level of coverage you need.  

What costs do I share with my Medicare Prescription Drug plan?

 

Even if you have a Medicare Prescription Drug plan, also known as a Part D plan or PDP, you still need to pay something. When you're comparing plans, be aware of these out-of-pocket costs:

Monthly Premium


A monthly premium is the fee you pay to the plan in exchange for coverage. Each Medicare Prescription Drug plan has a set monthly premium. Generally, higher-premium plans will have more coverage and lower deductibles or copayments, and lower-premium plans have less coverage with higher deductibles or copayments.

Annual Deductible


An annual deductible is the amount you pay out-of-pocket for your prescription drugs before your Medicare Prescription Drug plan begins to pay. It's a pre-set, fixed cost. Be aware that not all plans have an annual deductible.

Copayment/Copay


A copayment (also known as a copay) is a kind of cost sharing. You pay a predictable, set amount for a covered drug each time you fill a prescription. The actual cost will depend on which tier your drug is in. In most situations, generic drugs will have a lower copay than brand-name drugs.

Coinsurance


Coinsurance is another kind of cost sharing you may have. You pay a percentage of the cost for a covered drug each time you fill a prescription. Your plan pays the remaining amount owed. The percentage will vary, depending on your plan.

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Find Medicare Prescription Drug plans in your area.

How do my drugs and drug tiers affect what I pay?
 

All Medicare Prescription Drug plans have a standard level of prescription drug coverage. This coverage is set by Medicare. However, plans differ in the specific drugs they cover and how they divide these drugs into tiers. The tiers determine what you’ll pay.
 

Every Medicare Part D plan has a formulary, or drug list, that shows all the brand name and prescription drugs it covers. Usually, drugs in lower tiers will cost less and drugs in higher tiers will cost more.
 

Below is an example of a tier structure for a typical Medicare Prescription Drug plan. The actual tier structure for the plan you choose may vary.

Tier 1

 

Lowest Copayment

 

Generic prescription drugs.

Tier 2

 

Lower Copayment

 

Brand name prescription drugs.

Tier 3

 

Higher Copayment

 

Brand name drugs as well as preferred specialty drugs.

Tier 4

 

Highest Copayment

 

Expensive specialty drugs that are generally brand name and also non-preferred.

How do the coverage stages and the coverage gap (Donut Hole) change what I pay?
 

Each Medicare Prescription Drug plan has four coverage stages. Your out-of-pocket costs will vary throughout the year, depending on which stage of coverage you're in.

Stage 1: Annual Deductible

 


  • If your plan has an annual deductible, you pay the entire cost of your prescription drugs until you reach the annual deductible limit.
  • If you plan doesn't have a deductible, your coverage starts with the first prescription you fill. This means you go directly to Stage 2.

Stage 2: Initial Coverage Limit 


  • You pay a copay or coinsurance for your prescription drug and the plan pays the rest.
  • You stay in the initial coverage stage until your total drug costs reach $4,130 in 2021.

Stage 3: Coverage Gap (Donut Hole) 


  • When your drug costs reach $4,130 you enter the coverage gap or “donut hole.”
  • In 2021, you pay:

o   25% of the cost for brand name drugs

o   25% of the cost for generic drugs

  • You stay in the coverage gap stage until your total out-of-pocket costs reach $6,550 in 2021.

Stage 4: Catastrophic Coverage 


  • When your out-of-pocket costs reach $6,550, you enter the Catastrophic Coverage stage.
  • You pay a small copay or coinsurance amount.
  • You stay in the Catastrophic Coverage stage for the rest of the plan year. 

How do I choose a Medicare Prescription Drug plan that's right for my budget?

 

There’s a lot to weigh when it comes to comparing costs and coverage. Think of your situation while considering the following.

Plan Formulary/Drug List

 

Take a look at the Medicare Prescription Drug plan's formulary (drug list) to see if the drugs you take are included.

 

  • Do you take any high-cost, specialty prescription drugs?
  • Are you willing to take a lower-cost generic alternative to a brand name prescription drug?
  • How much will your drugs cost?

Pharmacy Networks

 

Pharmacy networks can offer prescription drugs at reduced rates to save you money. This is because they contract with your Medicare Prescription Drug plan. If you fill prescriptions outside the network, it may cost you more.

 

  • If your plan includes a pharmacy network, is your regular pharmacy included?

  • If not, are you willing to use a mail order pharmacy or a pharmacy chain?

Enrollment Window

 

If you miss your Medicare initial enrollment date and enroll later, you may have to pay a late enrollment penalty. The late enrollment premium penalty is 1% of the average monthly premium multiplied by the number of months you were late. You pay this penalty for as long as you're enrolled in the plan.

 

However, if you can prove you had creditable drug coverage or qualify for the Extra Help program (see below), you may be able to avoid the penalty.

Total Out-of-Pocket Costs

 

Review each plan's monthly premium, annual deductible, and copayment or coinsurance. Then, ask yourself if the costs fit within your budget.

Can I get help covering Medicare Prescription Drug costs?
 

The Extra Help program—run by the Social Security Administration—is designed for Medicare beneficiaries with limited income and resources. It's also known as the Part D Low-Income Subsidy (LIS). This program helps cover prescription drug plan premiums, annual deductibles and copayments for people who qualify.
 

Additional Medicare Prescription Drug Plan Resources

Ready to shop?

 

Learn about types of prescription drug coverage options in your area. 

Need more information?

 

Compare the types of Medicare Prescription Drug plans offered by UnitedHealthcare.

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