What is Part D of Medicare known as?

Asked by: Ezekiel Harber  |  Last update: December 8, 2025
Score: 5/5 (8 votes)

Part D (Drug coverage) A fee-for-service health insurance program that has 2 parts: Part A and Part B. You typically pay a portion of the costs for covered services as you get them. Under Original Medicare, you don't have coverage through a Medicare Advantage Plan or another type of Medicare health plan.

Is Medicare Part D free for seniors?

No, Medicare Part D isn't free. But in 2025, at least one $0-premium plan is available in 43 states, Washington, D.C., and Puerto Rico. Most plans do have a monthly premium. And all plans have other costs beyond premiums, such as copays, coinsurance and deductibles.

Does Medicare automatically include Part D?

Enrollment in Medicare Part D plans is voluntary, except for beneficiaries who are eligible for both Medicare and Medicaid and certain other low-income beneficiaries who are automatically enrolled in a PDP if they do not choose a plan on their own.

What is the most popular Part D drug plan?

The best Medicare Part D provider is Aetna. It has top ratings from the Centers for Medicare & Medicaid Services and affordable premiums. Other great providers include Wellcare and UnitedHealthcare.

Does everyone pay for Medicare Part D?

Part D cost sharing

Most people who are enrolled in a Part D plan (and not eligible for the Part D Low-Income Subsidy/LIS or "Extra Help") are responsible for certain expenses. These may include: A monthly Part D plan premium (average estimated premium in 2024 is $46.50)

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Can everyone get Medicare Part D?

Medicare Part D eligibility

To sign up for a Medicare Part D plan, a person must have Medicare Parts A and B and live in the service area of the plan they want to join. If a person has a bundled Medicare Advantage plan that already includes prescription drug coverage, they cannot enrollin a stand-alone Part D plan.

What is the average monthly cost of Medicare Part D?

The average estimated monthly Part D plan premium in 2025 is $46.50. Other factors can affect the cost of Part D including monthly premium, yearly deductible and copayments. High-income earners may pay a surcharge known as the “income-related monthly adjustment amount” (IRMAA).

What is the best medicare plan that covers everything for seniors?

Original Medicare with Medigap likely offers the most comprehensive coverage, but it may also be the most costly. A person can consider their income and how much they are able to spend before choosing a Medicare plan. Original Medicare with Medigap also offers a lot of flexibility when choosing a doctor or specialist.

What happens if I refuse Medicare Part D?

If you don't sign up for a Part D plan when you are first eligible to do so, and you decide later you want to sign up, you will be required to pay a late enrollment penalty equal to 1% of the national average premium amount for every month you didn't have coverage as good as the standard Part D benefit.

Why are people leaving Medicare Advantage plans?

Key takeaways: People leave Medicare Advantage plans because out-of-pocket costs vary between plans, network restrictions can cause frustration, prior authorization requests can delay care, and it can be difficult to use the additional benefits they provide.

Is Medicare Part D really necessary?

Is Medicare Part D required? No, Medicare Part D isn't a requirement. However, many people find that enrolling in a Part D plan is worth the investment. Your health can be unpredictable, so while you may not need many (or any) prescription drugs now, you may need them in the future.

Can I drop my Medicare Advantage plan and go back to original Medicare?

Medicare Advantage Open Enrollment Period: Between January 1 and March 31 of each year, if you already have a Medicare Advantage Plan (with or without drug coverage) you can: Switch to another Medicare Advantage Plan (with or without drug coverage). Drop your Medicare Advantage Plan and return to Original Medicare.

What is the $2000 limit for Medicare Part D?

Thanks to the Inflation Reduction Act, in 2025 annual out-of-pocket costs will be capped at $2,000 for people with Medicare Part D.

What is not covered by Medicare Part D?

The following will not be covered: Drugs not listed on a plan's formulary. Drugs prescribed for anorexia, weight loss or weight gain. Drugs prescribed for fertility, erectile dysfunction, cosmetic purposes or hair growth.

Does AARP have a Medicare Part D plan?

Medicare Part D plans help cover the cost of generic and brand-name prescription drugs. Available to AARP members and non-members. Plans and pricing are on the UnitedHealthcare website.

What are the top 5 medicare supplement plans?

💬 From our Nerds: What are the top five Medicare supplement plans? "Based on NerdWallet's Medigap rubric, I picked five best Medicare Supplement Insurance companies for 2025: AARP/UnitedHealthcare, Mutual of Omaha, State Farm, Anthem and Blue Cross Blue Shield.

What are disadvantages of Medicare Part D?

Disadvantages of Medicare Part D Prescription Drug plans include: Need to anticipate your prescription drug needs for the year: Part D plans differ in the types of drugs they cover. Knowing your medical situation can help you select a plan that is right for you and covers the prescription drugs you expect to need.

Is Medicare Part D deducted from Social Security?

You can pay premiums directly to the company, set up a bank draft, or have the monthly premium deducted from your Social Security check.

Do you automatically get Part D with Medicare?

Note: If you are enrolled in Medicaid and become eligible for the Medicare drug benefit, you will usually be automatically enrolled in a Medicare Part D plan and pay no premium for it. If you are in Medicaid and do not want the Medicare drug benefit, call your local Medicaid office.

Does everyone have to pay $170 a month for Medicare?

Most people pay no premiums for Part A. For Medicare Part B in 2025, most beneficiaries will pay $185 per month. Certain factors may require you to pay more or less than the standard Medicare Part B premium in 2025.

What are the 6 things Medicare doesn't cover?

Some of the items and services Medicare doesn't cover include:
  • Eye exams (for prescription eyeglasses)
  • Long-term care.
  • Cosmetic surgery.
  • Massage therapy.
  • Routine physical exams.
  • Hearing aids and exams for fitting them.

Can I drop my employer health insurance and go on Medicare Part B?

Once you stop working (or lose your health insurance, if that happens first) you have an 8-month Special Enrollment Period (SEP) when you can sign up for Medicare (or add Part B to existing Part A coverage).

Is GoodRx better than Medicare Part D?

Consider using a GoodRx coupon instead of Medicare in the following situations: Your medication isn't covered by your Medicare plan. The medication costs less with a GoodRx coupon than with your Medicare copay. You don't expect to reach your annual deductible.

Are Part D premiums based on income?

You may have to pay more, depending on your income. Who pays a higher Part D premium because of income? You'll pay an extra 1% for each month you could have signed up for Part D, but didn't, and didn't have creditable drug coverage.

How much does Humana cost per month for seniors?

Premiums for Humana's plans start at $0 per month in addition to your Medicare Part B premium. In 2024, the standard part B premium amount is $174.70, but this number can go all the way up to $594 per month for high-earning seniors3.