
Medicare is a federal health insurance program in the United States for people aged 65 or older and younger people with certain disabilities. It is divided into four parts: Part A, Part B, Part C, and Part D. Original Medicare includes Part A and Part B, while Medicare Advantage is a Medicare-approved plan from a private company that offers an alternative to Original Medicare. There are also other health plans available that are not Medicare Advantage Plans but are still part of Medicare, such as Medicare Part A and Part B coverage. Medicare covers about half of the healthcare expenses of those enrolled, with enrollees covering most of the remaining costs through additional private insurance or by enrolling in a Medicare Part C or Part D plan.
| Characteristics | Values |
|---|---|
| Administered by | Centers for Medicare and Medicaid Services (CMS) |
| Coverage | Hospital, skilled nursing, hospice services, outpatient services, prescription drugs, and durable medical equipment |
| Eligibility | Age 65 or older, permanent kidney failure, receiving disability benefits, or having certain disabilities or conditions |
| Enrollment periods | 3 enrollment periods, with potential penalties or gaps in coverage for late enrollment |
| Parts | Part A, Part B, Part C, Part D, and Medigap |
| Cost coverage | Medicare covers about half of healthcare expenses, with enrollees covering remaining costs through private insurance or other plans |
| Additional benefits | Preventive services, such as screenings and mammograms, and emergency ambulance transport |
| Health plans | Original Medicare, Medicare Advantage, and other health plans offering Part A and Part B benefits |
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What You'll Learn
- Medicare is federal health insurance for US citizens aged 65+ and some under 65 with disabilities
- There are four parts to Medicare: A, B, C and D
- Part A covers hospital, skilled nursing and hospice services
- Part B covers outpatient services, durable medical equipment and preventive services
- Part C is an alternative private plan with different benefit structures

Medicare is federal health insurance for US citizens aged 65+ and some under 65 with disabilities
Medicare is a federal health insurance program in the United States for US citizens aged 65 and above. It also covers younger people with certain disabilities, including end-stage renal disease, permanent kidney failure, and amyotrophic lateral sclerosis (ALS or Lou Gehrig's disease), as well as those receiving disability benefits.
Medicare is divided into four parts: Part A, Part B, Part C, and Part D, each covering different aspects of healthcare. Part A covers hospital, skilled nursing, and hospice services. For example, if a patient requires skilled nursing supervision, such as wound management, Medicare Part A will cover the costs. It is important to note that Part A does not cover custodial, non-skilled, or long-term care activities. Part B covers outpatient services and includes coverage for durable medical equipment, prosthetic devices, and medically necessary emergency ambulance transport. Part B also covers preventive services, such as yearly mammogram screenings and osteoporosis screening, at 100%. Once a patient meets their deductible, Medicare covers 80% of the RUC-set rate for approved services, while the remaining 20% is the patient's responsibility. Part D covers self-administered prescription drugs, while Part C, also known as Medicare Advantage, offers an alternative to Original Medicare, allowing patients to choose private plans with different benefit structures that provide the same services as Parts A and B, often with additional benefits.
Medicare Advantage Plans are offered by private companies and provide an alternative way to receive Part A and Part B benefits. These plans may be available to everyone with Medicare in a state or only in certain counties, and insurance companies can decide to join or leave Medicare each year. It is important to review your options regularly to ensure you have the desired coverage.
In addition to the four parts of Medicare, there is also Medigap insurance, which helps cover the remaining costs not covered by Medicare. Medigap plans are standardized, with benefits remaining the same regardless of the insurance company. Enrollees can also choose to enroll in a Medicare Part C or Part D prescription drug plan to cover the costs of prescription drugs.
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There are four parts to Medicare: A, B, C and D
Medicare is a federal health insurance program for people aged 65 and over, or for those under 65 with certain disabilities or conditions. There are four parts to Medicare: Part A, Part B, Part C, and Part D. Each part offers different coverage options to suit individual medical needs and budgets.
Part A provides inpatient coverage for those who have been formally admitted to the hospital by a doctor. Part A is free if you have worked and paid Medicare taxes for at least 10 years, or if you are eligible due to a spouse's work. You may also have to pay a premium for Part A.
Part B provides outpatient coverage for patients who have not been formally admitted to the hospital. It also covers some outpatient home health care. Most people pay a monthly premium for Part B, and the amount depends on your income level.
Part C, also known as Medicare Advantage, is an alternative to Parts A and B. It is offered by private companies that contract with the federal government. Part C bundles several coverage types, including Parts A and B, and usually Part D. All Medicare Advantage Plans must offer at least the same benefits as Original Medicare (Parts A and B) but may have different rules, costs, and coverage restrictions.
Part D helps cover the cost of prescription drugs, including recommended shots or vaccines. You must be enrolled in either Part A or Part B before enrolling in Part D.
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Part A covers hospital, skilled nursing and hospice services
Medicare is the United States' federal health insurance program for people aged 65 and over. You may also qualify if you have permanent kidney failure or receive disability benefits. There are four types of Medicare coverage, known as "parts".
Part A of Medicare covers inpatient care at hospitals, skilled nursing facilities, and hospice care. It also covers some home health care services. Part A is free for those who have worked and paid Medicare taxes for at least ten years. It may also be free based on a spouse's work history.
Part A covers inpatient hospital care, including the room, meals, and nursing care. It also covers inpatient care at skilled nursing facilities, including the care itself and any therapy provided. In addition, Part A covers hospice care for those who are terminally ill and require comfort care instead of treatment. This includes inpatient respite care, where the caregiver needs a break, and short-term inpatient care arranged by the hospice team.
To qualify for hospice care under Part A, a hospice doctor and the patient's regular doctor must certify that the patient has a life expectancy of six months or fewer. The patient must also agree to receive comfort care instead of treatment for their illness. Once qualified, the patient can receive hospice care for two 90-day benefit periods, followed by an unlimited number of 60-day benefit periods.
Part A does not cover room and board for hospice care received at home or in a nursing home or inpatient hospice facility. It also does not cover emergency room visits or ambulance transportation unless arranged by the hospice team or unrelated to the patient's terminal illness.
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Part B covers outpatient services, durable medical equipment and preventive services
Medicare is a health insurance program for people aged 65 and over in the US. You may also qualify if you have permanent kidney failure or receive disability benefits. There are four types of Medicare coverage, known as "parts".
Part B of Medicare covers outpatient services, durable medical equipment, and preventive services.
Outpatient services include doctor visits, hospital outpatient care, laboratory tests, x-rays, and some ambulance services. It is worth noting that therapy services, such as outpatient physical, speech, and occupational therapy, are also covered by Part B.
Durable medical equipment (DME) is equipment that serves a medical purpose and is suitable for repeated use and use in the home. Examples include walkers, wheelchairs, and oxygen tanks. You may purchase or rent DME from a Medicare-approved supplier after your provider certifies you need it. You must rent most items, but you can also buy them. Some items become your property after you've made a certain number of rental payments.
Preventive services are screenings and counseling intended to prevent illness, detect conditions, and keep you healthy. This includes preventive care, such as mental health services, and chiropractic care when manipulation of the spine is medically necessary.
Medicare Part B also covers some prescription drugs, including immunosuppressant drugs, some anti-cancer drugs, and some anti-emetic drugs.
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Part C is an alternative private plan with different benefit structures
Medicare is the United States' federal health insurance program for people aged 65 and over. However, you may also qualify if you have permanent kidney failure or receive disability benefits. There are four types of Medicare coverage, known as "parts". Part C, also known as Medicare Advantage, is an alternative to the original Medicare plans (Parts A and B). Part C is offered by private insurers and must be approved by the federal government.
Part C plans typically bundle Parts A, B, and D, providing hospital insurance, medical insurance, and prescription drug coverage, respectively. However, it is important to note that you must sign up for Part A or Part B before enrolling in Part C. Additionally, Part C plans may offer extra benefits not available with original Medicare, such as vision, hearing, dental, and fitness benefits. These additional benefits can vary depending on the provider, and each insurance company can decide the specific benefits and costs of their Part C plan.
Medicare Advantage Plans are available through Medicare-approved private companies and must follow the rules set by Medicare. There are several types of Medicare Advantage Plans, including Health Maintenance Organizations (HMOs), Preferred Provider Organizations (PPOs), Special Needs Plans (SNPs), and Private Fee-for-Service Plans (PFFS). These plans offer different structures and levels of coverage, allowing individuals to choose a plan that best suits their needs.
It is worth noting that joining a Part C plan may affect your existing health insurance coverage. Therefore, it is recommended to consult with your benefits administrator before making any changes to your health insurance plan. Additionally, you can contact your local State Health Insurance Assistance Program (SHIP) for free and unbiased insurance counseling to make an informed decision regarding your health coverage options.
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Frequently asked questions
Medicare is a federal health insurance program in the United States for people aged 65 or older and younger people with certain disabilities.
Medicare is divided into four parts: Part A, Part B, Part C, and Part D. Part A covers hospital, skilled nursing, and hospice services. Part B covers outpatient services and durable medical equipment. Part C is an alternative that allows patients to choose private plans with different benefit structures, and Part D covers self-administered prescription drugs.
There are three enrollment periods for Medicare. You'll need to sign up for Medicare Part A and Part B through Social Security. You can also choose to enroll in a Medicare Advantage Plan, which is a Medicare-approved plan from a private company that offers an alternative to Original Medicare for your health and drug coverage.










































