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Need an affordable or $0 premium Medicare Advantage Plan?*

Expand your Medicare coverage with a Medicare Advantage Plan. Some plans may offer additional coverage for prescription drugs, dental and vision.

Medicare Part D Plans

5 things to know about Medicare Part D drug plans:

  1. Medicare Part D plans provide prescription drug coverage.
  2. About 20.6 million people were enrolled in stand-alone Medicare Part D plans in 2018, according to the Kaiser Family Foundation (KFF).1
  3. Part D plans may have different benefits, formularies, tiers, coverage rules, and pharmacy networks.
  4. Part D costs can include plan premiums, late enrollment penalties, and "donut hole" costs.
  5. You should review Part D plan costs, coverage rules, and star ratings*** before enrolling in a plan.

Medicare Part D provides prescription drug coverage for Medicare enrollees. Part D plans are offered by private insurers, not the federal government. It is optional coverage that works with many other forms of insurance, including Original Medicare, Medicaid, employer health plans, and, in some cases, Medicare Advantage plans.

Each Part D prescription drug plan may have varying benefits, costs, and rules.

Enrollment and eligibility

You must be enrolled in Medicare Part A and/or Part B before you can enroll in a Medicare Part D prescription drug plan.

You must wait for an enrollment period to sign up for, make changes to, or leave a Medicare Part D plan.

More info: Part D enrollment and eligibility - How to enroll


Part D plans have different formularies, tiers, coverage rules, and pharmacy networks.

A Part D plan formulary (drug list) outlines which prescription drugs are covered. Plans may place prescription drugs into tiers, which have different costs.

Coverage rules such as quantity limits, prior authorization, and step therapy may limit how and when you receive your prescription drugs.

Part D plans also may have pharmacy networks, which may impact the cost of your prescription drugs.

More info: Part D benefits

Part D costs

Medicare Part D prescription drug plans don't pay for everything. If you have a Part D plan, you may have to pay premiums, "donut hole" drug costs, and other out-of-pocket costs like deductibles and copayments.

More info: Part D costs - Premiums, deductibles, and the donut hole

Comparing plans

There are many Part D plans to choose from. In 2019, there were 901 plans offered across 34 regions nationwide (excluding U.S. territories), according to the KFF.1

Before you choose a plan to enroll in, you should review its benefits, costs, and star ratings.2

Our online plan comparison tool can help you easily evaluate all of these factors for available plans in your area offered through this website.

More info: Comparing Part D plans

Medicare Part D plans by state

Medicare Advantage plans and Medicare Part D plans are both offered by private insurance companies, and plan availability varies from state to state. Learn more about Medicare Part D plan enrollment nationwide and in your state.

You can also find more Medicare prescription drug coverage information and resources for your state.

More info: Medicare Part D plans by state

Compare plans in your local area right now.

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*You must continue to pay your Medicare Part B premium.

$0 premium plans may not be available in all areas.

1Kaiser Family Foundation. Medicare Part D: A First Look at Prescription Drug Plans in 2019. (Oct. 16, 2018). Retrieved from www.kff.org/medicare/issue-brief/medicare-part-d-a-first-look-at-prescription-drug-plans-in-2019.

2Medicare evaluates plans based on a 5- star rating system. Star Ratings are calculated each year and may change from one year to the next. 

The purpose of this communication is the solicitation of insurance. Contact will be made by an insurance agent/producer or insurance company.

This information is not a complete description of benefits. Contact the plan for more information. Limitations, copayments and restrictions may apply. Benefits, premiums and/or member cost-share may change on January 1 of each year.

MedicareAdvantage.com is a website owned and operated by TZ Insurance Solutions LLC. TZ Insurance Solutions LLC is a licensed and certified representative of A Medicare Advantage [HMO, PPO and PFFS] organization and a stand-alone prescription drug plan with a Medicare contract. Enrollment in any plan depends on contract renewal.

TZ Insurance Solutions LLC and the licensed sales agents that may call you are not connected with or endorsed by the U.S. Government or the federal Medicare program. This website does not contain a complete listing of plans available in your service area. For a complete listing please contact 1-800-MEDICARE (TTY users should call (877) 486-2048), 24 hours a day / 7 days a week or consult www.medicare.gov.

Not all plans or products are available in all markets. Additional plans may be available in your service area. For a complete listing please contact 1-800-MEDICARE (TTY users should call 1-877-486-2048), 24 hours a day/7 days a week or consult www.medicare.gov.

Last Updated: 09/12/2017 Accepted