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Hospital Insurance
Part A

Medicare Part A Explained

Medicare Part A is one of the two main parts of Original Medicare, along with Medicare Part B. Part A is often referred to as hospital insurance because it primarily helps cover care you receive when you are formally admitted to a hospital or certain medical facilities. Understanding what Medicare Part A covers, what it costs, and how it works is an important first step in building the right Medicare coverage.

What Medicare Part A Covers?

Medicare Part A helps pay for inpatient care in hospitals, including semi-private rooms, meals, nursing care, medications given during your stay, and other hospital services. It also helps cover care in a skilled nursing facility after a qualifying inpatient hospital stay, as long as specific Medicare requirements are met. In addition, Medicare Part A covers hospice care for individuals with a terminal illness and certain home health care services when ordered by a doctor.

What Medicare Part A Does Not Cover?

While Medicare Part A provides essential coverage, it does not cover everything. It generally does not cover long-term custodial care, such as help with bathing, dressing, or daily living activities. It also does not cover private-duty nursing, most care received outside the United States, or non-medical services. Understanding these limits can help you avoid unexpected out-of-pocket costs.

Costs Associated With Medicare Part A

Many people qualify for premium-free Medicare Part A if they or their spouse paid Medicare taxes for a sufficient number of years while working. However, even with premium-free Part A, there are still costs to consider. Medicare Part A includes deductibles and coinsurance amounts that apply to hospital stays and skilled nursing facility care. These costs can change from year to year and may add up depending on how often you need care.

Who Is Eligible for Medicare Part A?

Most people become eligible for Medicare Part A at age 65. Some individuals may qualify earlier if they have certain disabilities, receive Social Security Disability Insurance for a qualifying period, or have specific medical conditions such as End-Stage Renal Disease (ESRD) or ALS. Enrollment is often automatic if you are already receiving Social Security benefits, but not everyone is automatically enrolled.

How Medicare Part A Works With Other Coverage?

Medicare Part A works together with Medicare Part B to form Original Medicare. While Part A covers inpatient and facility-based care, Part B covers outpatient services such as doctor visits and preventive care. Because Original Medicare does not include an annual out-of-pocket maximum, many people choose to add additional coverage, such as a Medicare Advantage plan (Part C) or Medicare Supplement (Medigap) insurance, to help manage costs and fill coverage gaps.

When Medicare Part A Coverage Begins?

If you enroll during your Initial Enrollment Period, Medicare Part A coverage typically begins the month you turn 65. The exact start date can vary depending on when you sign up and whether you are automatically enrolled. Understanding enrollment timing is important to avoid gaps in coverage or potential late enrollment penalties.

Why Understanding Medicare Part A Matters?

Medicare Part A forms the foundation of your Medicare coverage. Knowing what it covers, what it costs, and how it works with other parts of Medicare can help you make more confident decisions about your healthcare and your budget. Because everyone’s healthcare needs are different, understanding Part A is key to choosing coverage that fits your situation—there is no one-size-fits-all solution.

If you have questions about Medicare Part A or how it works with other Medicare options, speaking with a licensed Medicare professional can help you better understand your choices and plan with confidence.

Medical Insurance
Part B

Medicare Part B Explained

Medicare Part B is one of the two main parts of Original Medicare, along with Medicare Part A. Part B is often called medical insurance because it helps cover medically necessary services and preventive care you receive outside of a hospital setting. Understanding how Medicare Part B works, what it covers, and what it costs is essential to managing your healthcare and out-of-pocket expenses.

What Medicare Part B Covers

Medicare Part B helps cover doctor and specialist visits, outpatient medical services, and care received at clinics or outpatient facilities. It also covers durable medical equipment such as wheelchairs, walkers, oxygen equipment, and diabetic supplies when medically necessary. In addition, Part B includes many preventive services, including annual wellness visits, screenings, vaccines, lab tests, and other services designed to detect or prevent illness early.

What Medicare Part B Does Not Cover

Although Medicare Part B provides broad medical coverage, it does not cover everything. It generally does not include routine dental care, vision exams, eyeglasses, hearing aids, or long-term custodial care. Most prescription drugs you take at home are also not covered under Part B and instead fall under Medicare Part D, with some limited exceptions such as certain injectable or infused medications.

Costs Associated With Medicare Part B

Unlike Part A, Medicare Part B typically requires a monthly premium, which is set annually and may be higher for individuals with higher incomes due to the Income-Related Monthly Adjustment Amount (IRMAA). In addition to the premium, Medicare Part B includes an annual deductible. After the deductible is met, Part B usually pays 80% of the Medicare-approved amount for covered services, leaving you responsible for the remaining 20%. There is no annual out-of-pocket maximum under Original Medicare, which means these costs can add up over time.

Who Is Eligible for Medicare Part B

Most people become eligible for Medicare Part B at age 65. Individuals under 65 may qualify earlier due to certain disabilities or medical conditions. If you are already receiving Social Security benefits, enrollment in Part B is often automatic. If not, you may need to actively enroll through the Social Security Administration. Some individuals delay Part B if they have qualifying employer-sponsored coverage, but timing and rules are important to avoid late enrollment penalties.

How Medicare Part B Works With Other Coverage

Medicare Part B works together with Medicare Part A to form Original Medicare. While Part A covers inpatient hospital and facility care, Part B covers outpatient and preventive services. Because Part B only pays 80% of covered services and does not include an out-of-pocket maximum, many beneficiaries choose additional coverage such as a Medicare Supplement (Medigap) plan or a Medicare Advantage plan (Part C) to help manage costs and reduce financial risk.

When Medicare Part B Coverage Begins

Medicare Part B coverage typically begins during your Initial Enrollment Period, which starts three months before the month you turn 65 and ends three months after. Coverage start dates can vary depending on when you enroll. Delaying Part B without qualifying coverage may result in late enrollment penalties and gaps in coverage.

Why Understanding Medicare Part B Matters

Medicare Part B plays a major role in covering everyday medical care and preventive services. Because it involves monthly premiums, deductibles, and ongoing coinsurance, understanding Part B is critical to controlling healthcare costs and avoiding unexpected expenses. Knowing how Part B works allows you to make informed decisions about whether additional coverage may be right for your healthcare needs and budget.

If you have questions about Medicare Part B, enrollment timing, or how to reduce out-of-pocket costs, speaking with a licensed Medicare professional can help you understand your options and plan with confidence.

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Medicare Advantage
Part C

Medicare Part C (Medicare Advantage) Explained

Medicare Part C, commonly known as Medicare Advantage, is an alternative way to receive your Medicare benefits. Medicare Advantage plans are offered by private insurance companies approved by Medicare and are required to provide at least the same coverage as Original Medicare (Part A and Part B). Many plans also include additional benefits that are not covered by Original Medicare.

What Medicare Advantage Plans Cover

Medicare Advantage plans include all benefits covered under Medicare Part A and Medicare Part B. This means they cover hospital care, doctor visits, outpatient services, and preventive care. Most Medicare Advantage plans also include prescription drug coverage (Medicare Part D), making them an all-in-one option for many beneficiaries.

In addition to medical and drug coverage, many Medicare Advantage plans offer extra benefits such as dental, vision, hearing, fitness programs, transportation, over-the-counter allowances, and wellness services. Benefits and availability vary by plan and location.

Types of Medicare Advantage Plans

There are several types of Medicare Advantage plans, each with different rules for accessing care. Health Maintenance Organization (HMO) plans typically require you to use in-network providers and obtain referrals for specialists. Preferred Provider Organization (PPO) plans offer more flexibility to see out-of-network providers, often at a higher cost. Some areas may also offer Special Needs Plans (SNPs), which are designed for individuals with specific health conditions, limited incomes, or both.

Costs Associated With Medicare Part C

Costs for Medicare Advantage plans vary depending on the plan you choose and where you live. Many plans offer low or $0 monthly premiums, though you must continue to pay your Medicare Part B premium. Medicare Advantage plans typically include copayments, coinsurance, and deductibles for services. One important feature is that Medicare Advantage plans have an annual out-of-pocket maximum, which helps limit your total medical expenses for the year.

What Medicare Advantage Plans Do Not Cover

While Medicare Advantage plans offer comprehensive coverage, they may not cover all services. Coverage rules, prior authorizations, and network restrictions can apply. Not all doctors or hospitals may be included in a plan’s network, and costs can be higher if you receive care outside the network, depending on the plan type.

Who Is Eligible for Medicare Advantage

To enroll in a Medicare Advantage plan, you must be enrolled in both Medicare Part A and Medicare Part B and live in the plan’s service area. Enrollment is available during specific Medicare enrollment periods, such as the Initial Enrollment Period, Annual Enrollment Period, and certain Special Enrollment Periods.

How Medicare Advantage Works With Original Medicare

When you enroll in a Medicare Advantage plan, you still have Medicare, but your Medicare benefits are provided through the private insurance plan instead of directly through Original Medicare. You continue to pay your Medicare Part B premium, and your Medicare Advantage plan becomes your primary coverage for most services.

When Medicare Advantage Coverage Begins

Coverage start dates depend on when you enroll. Enrollment during your Initial Enrollment Period or Annual Enrollment Period typically results in coverage beginning on January 1 or the first of the month following enrollment, depending on the enrollment period used.

Medicare Advantage vs. Original Medicare

Medicare Advantage plans often appeal to individuals who want bundled coverage, additional benefits, and predictable out-of-pocket limits. Original Medicare offers broader provider access nationwide but does not include extra benefits or an annual out-of-pocket maximum unless you add supplemental coverage. Understanding the differences can help you choose the option that best fits your healthcare needs and lifestyle.

Why Understanding Medicare Part C Matters

Medicare Advantage plans can be a convenient and cost-effective option for many beneficiaries, but plan details, provider networks, and benefits vary. Understanding how Medicare Part C works can help you avoid surprises and choose a plan that aligns with your medical needs, budget, and preferred providers.

If you have questions about Medicare Advantage plans or want help comparing options available in your area, speaking with a licensed Medicare professional can help you make an informed decision with confidence.

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Prescription Drug Coverage
Part D

Medicare Part D Explained

Medicare Part D provides prescription drug coverage and helps lower the cost of medications you take at home. Part D coverage is offered by private insurance companies approved by Medicare and is available either as a stand-alone Prescription Drug Plan (PDP) or as part of a Medicare Advantage plan that includes drug coverage (MAPD). Understanding how Medicare Part D works is an important step in managing prescription costs and avoiding penalties.

What Medicare Part D Covers

Medicare Part D plans cover a wide range of prescription medications, including both generic and brand-name drugs. Each plan has its own formulary, which is the list of covered medications. Plans are required to cover medications in certain protected drug classes, but coverage, copays, and restrictions can vary by plan.

Part D may also cover certain vaccines and medications used to treat chronic conditions, such as diabetes, high blood pressure, or heart disease. Because formularies and costs differ, it’s important to review whether your specific prescriptions are covered.

How Medicare Part D Plans Work

Medicare Part D plans are designed with different coverage stages, which can affect what you pay throughout the year. These stages include an annual deductible, an initial coverage phase, and additional phases where your costs may change. Out-of-pocket costs vary based on the plan, the medications you take, and whether you use preferred pharmacies.

Costs Associated With Medicare Part D

Medicare Part D plans typically have a monthly premium, which varies by plan and location. In addition to the premium, you may pay a deductible, copayments, or coinsurance for your prescriptions. Individuals with higher incomes may pay an Income-Related Monthly Adjustment Amount (IRMAA) in addition to their Part D premium.

Even if you do not take prescription medications now, enrolling in Part D when you are first eligible can help you avoid late enrollment penalties.

What Medicare Part D Does Not Cover

Medicare Part D generally does not cover over-the-counter medications, most vitamins and supplements, or medications used for cosmetic purposes. Some medications may require prior authorization, step therapy, or quantity limits depending on the plan.

Who Should Enroll in Medicare Part D

Anyone enrolled in Medicare who does not have creditable prescription drug coverage should consider enrolling in a Medicare Part D plan. Creditable coverage is drug coverage that is expected to pay at least as much as Medicare’s standard coverage. Delaying Part D enrollment without creditable coverage can result in a late enrollment penalty that lasts as long as you have Part D.

How Medicare Part D Works With Other Medicare Coverage

If you have Original Medicare (Part A and Part B), you can add a stand-alone Medicare Part D Prescription Drug Plan. If you enroll in a Medicare Advantage plan that includes drug coverage, your Part D benefits are included in that plan, and you do not need a separate PDP. If you have a Medicare Supplement (Medigap) plan, you must enroll in a separate Part D plan for prescription coverage.

When Medicare Part D Coverage Begins

Medicare Part D coverage typically begins when you enroll during your Initial Enrollment Period, Annual Enrollment Period, or a qualifying Special Enrollment Period. Coverage start dates depend on when you enroll and the type of enrollment period used.

Why Understanding Medicare Part D Matters

Prescription drug costs can add up quickly, even for people who take only a few medications. Understanding Medicare Part D helps you choose a plan that covers your prescriptions, keeps costs manageable, and protects you from future penalties. Because drug lists, pharmacy networks, and costs can change each year, reviewing your Part D coverage annually is an important part of managing your Medicare benefits.

If you have questions about Medicare Part D or want help comparing prescription drug plans, speaking with a licensed Medicare professional can help you find coverage that fits your medications and budget.

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Supplemental Insurance
Medigap

Medicare Supplement Insurance (Medigap) Explained

Medicare Supplement Insurance, commonly known as Medigap, is additional coverage designed to work alongside Original Medicare (Part A and Part B). Medigap plans help pay for certain out-of-pocket costs that Original Medicare does not cover, such as deductibles, copayments, and coinsurance. Understanding how Medigap works can help you manage healthcare expenses and gain greater financial predictability.

What Medigap Plans Cover

Medigap plans help cover many of the costs left behind by Original Medicare, including Part A and Part B coinsurance and copayments. Some Medigap plans also help pay for the Part A hospital deductible and may provide coverage for emergency medical care received outside the United States. Coverage varies by plan type, but all Medigap plans are designed to reduce out-of-pocket medical expenses.

What Medigap Plans Do Not Cover

Medigap plans do not cover prescription drugs, routine dental care, vision services, hearing aids, or long-term custodial care. Because Medigap plans do not include prescription drug coverage, most beneficiaries enroll in a separate Medicare Part D Prescription Drug Plan. Medigap plans also do not include extra benefits such as dental, vision, or wellness programs that may be offered through Medicare Advantage plans.

How Medigap Plans Work

Medigap plans work by paying their share of covered costs after Medicare Part A or Part B pays its portion. Medicare generally pays first, and then the Medigap plan pays according to the benefits of the specific plan you choose. Medigap plans are standardized in most states, which means the benefits for each plan letter are the same regardless of the insurance company offering the plan.

Medigap Plan Types

Medigap plans are identified by letters, such as Plan A, Plan G, and Plan N. Each plan offers a different level of coverage. For example, some plans provide more comprehensive coverage with higher premiums, while others have lower premiums but require you to share more costs. Because benefits are standardized, the main differences between plans are premiums, customer service, and rate stability.

Costs Associated With Medigap

Medigap plans require a monthly premium, which varies based on the plan type, insurance company, your age, and where you live. In addition to the Medigap premium, you must continue to pay your Medicare Part B premium. While Medigap plans may have higher monthly premiums than some Medicare Advantage plans, they can help reduce or eliminate unexpected medical bills.

Who Is Eligible for Medigap

To enroll in a Medigap plan, you must be enrolled in Medicare Part A and Medicare Part B. Medigap policies are intended for people who have Original Medicare and cannot be used with Medicare Advantage plans. If you are enrolled in a Medicare Advantage plan, you must return to Original Medicare before enrolling in Medigap.

The Medigap Open Enrollment Period

The best time to enroll in a Medigap plan is during your Medigap Open Enrollment Period, which begins when you are both age 65 or older and enrolled in Medicare Part B. During this period, you have guaranteed issue rights, meaning insurance companies cannot deny coverage or charge higher premiums based on health conditions. After this period, medical underwriting may apply in most states.

How Medigap Works With Other Medicare Coverage

Medigap works only with Original Medicare. If you have Medigap, you may visit any doctor or hospital nationwide that accepts Medicare, without network restrictions or referrals. Because Medigap does not include prescription drug coverage, most beneficiaries also enroll in a stand-alone Medicare Part D plan.

Medigap vs. Medicare Advantage

Medigap and Medicare Advantage are two different ways to supplement Original Medicare. Medigap offers predictable costs and nationwide provider access, while Medicare Advantage plans often include additional benefits and lower upfront premiums but may have provider networks and cost-sharing requirements. Understanding the differences can help you choose the option that best fits your healthcare needs and lifestyle.

Why Understanding Medigap Matters

Medigap plans can provide peace of mind by helping manage out-of-pocket costs and reducing financial uncertainty. Because premiums, benefits, and enrollment rules vary, understanding Medigap allows you to make informed decisions about long-term healthcare coverage and budgeting.

If you have questions about Medicare Supplement insurance or want help comparing Medigap plans available in your area, speaking with a licensed Medicare professional can help you choose coverage with confidence.

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Medicar Education Hub

We Make Medicare Simple

Click to learn more

Hospital Insurance Part A

Medicare Part A Explained

What Medicare Part A Covers?

What Medicare Part A Does Not Cover?

Costs Associated With Medicare Part A

Who Is Eligible for Medicare Part A?

How Medicare Part A Works With Other Coverage?

When Medicare Part A Coverage Begins?

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Why Understanding Medicare Part A Matters?

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Medicare Articles

Essential Steps to Effectively Enroll in Medicare When Turning 65

Understanding Medicare Part B Premiums for Higher-Income Individuals in 2026

Understanding the Extra Help Program Benefits for 2026

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Hospital Insurance
Part A