What is Medicare Part A vs C?

Asked by: Dr. Neoma Macejkovic  |  Last update: October 1, 2025
Score: 4.7/5 (3 votes)

Part A provides inpatient/hospital coverage. Part B provides outpatient/medical coverage. Part C offers an alternate way to receive your Medicare benefits (see below for more information). Part D provides prescription drug coverage.

What is the difference between Medicare Part A and C?

Part C is known as Medicare Advantage. It's an alternative to Parts A and B that bundles several coverage types, including Parts A, B, and usually D. It may also include: Vision. Hearing.

Why would someone want Medicare Part C?

Medicare Part C provides more coverage for everyday healthcare including prescription drug coverage with some plans when combined with Part D. A Medicare Advantage prescription drug (MAPD) plan is when a Part C and Part D plan are combined. Medicare Part D only covers prescription drugs.

What is Medicare Part A and B for seniors?

Medicare has two parts, Part A (Hospital Insurance) and Part B (Medical Insurance). Medicare does not cover 100% of all costs. CDI recommends purchasing a Medicare Supplement Insurance policy if you have traditional Medicare to help offset your health care costs.

Why is Social Security no longer paying Medicare Part B?

There could be several reasons why Social Security stopped withholding your Medicare Part B premium. One common reason is that your income has exceeded the threshold for premium assistance. Another reason could be that there was a mistake or error in your records.

Medicare Part A B C D Explained (and made simple!)

40 related questions found

Does everyone pay $170 for Medicare Part B?

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.

How much money is taken out of social security for Medicare Part B?

Each year, the Medicare Part B premium, deductible, and coinsurance rates are determined according to provisions of the Social Security Act. The standard monthly premium for Medicare Part B enrollees will be $185.00 for 2025, an increase of $10.30 from $174.70 in 2024.

Is Medicare Part A free at age 65?

Premium-Free Medicare Part A Based on Age

To be eligible for premium-free Part A on the basis of age: A person must be age 65 or older; and. Be eligible for monthly Social Security or Railroad Retirement Board (RRB) cash benefits.

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.

How much do seniors pay for Medicare Part B?

Most people pay the standard Part B monthly premium amount ($185 in 2025). Social Security will tell you the exact amount you'll pay for Part B in 2025. You pay the standard premium amount if you: Enroll in Part B for the first time in 2025.

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.

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.

Why is Medicare Part C so cheap?

Medicare Advantage plans differ in coverage and costs, even those sponsored by the same insurance company. Some plans even have $0 premiums or $0 deductibles, though all require you to still pay your Part B premium. (Medicare Advantage plans are partially funded by Medicare, which is why costs are so low.)

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.

Does Medicare pay 80% of everything?

How Medicare Part B cost sharing works. You will pay the Medicare Part B premium and share part of costs with Medicare for covered Part B health care services. Medicare Part B pays 80% of the cost for most outpatient care and services, and you pay 20%.

Which Medicare part is mandatory?

Enrolling in Medicare Part A is mandatory for people ages 65 and over who receive Social Security benefits. Enrollment in Part B is voluntary. Most people choose to have either Part B coverage or a private health insurance policy that covers medical expenses.

How much is Medicare Part A per month?

Beneficiaries who did not contribute enough credits can buy Part A, often called “premium Part A.” In 2025, those with premium Part A will pay either the full premium or a prorated amount (between $285 and $518 per month).

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).

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.

How do you qualify for $144 back from Medicare?

To be eligible for the Medicare Part B Giveback Benefit, you must:
  1. Be enrolled Original Medicare (Parts A and B)
  2. Pay your own Part B premium.
  3. Live in the service area of a plan that offers a Part B giveback.

What is the new Medicare rule for 2025?

Medicare Part D cap of $2,000

Beginning January 1, 2025, people with Part D plans through traditional Medicare and Medicare Advantage plans with prescription drug coverage won't pay more than $2,000 over the calendar year in out-of-pocket costs for their prescription medications.

Does Medicare Part B pay 100%?

Medicare Part B coinsurance

Coinsurance is a cost-sharing term that means insurance pays a percentage and you pay a percentage. With Medicare Part B, you pay 20 percent of the cost for the services you use. So if your doctor charges $100 for a visit, then you are responsible for paying $20 and Part B pays $80.