Medicare Explained

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Russell Noga
by Russell Noga | Updated October 5th, 2023

Navigating the Complex World of Medicare - Medicare ExplainedNavigating the world of Medicare can be overwhelming, especially when faced with a sea of acronyms and technical terms.

But fear not! This comprehensive guide, Medicare explained, will help you understand the ins and outs of Medicare, empowering you to make informed decisions about your healthcare.

From the basics to the future of Medicare, we’ve got you covered.


Short Summary

  • Medicare is a federal health insurance program designed for seniors and disabled individuals that covers a range of healthcare services.
  • It consists of four main parts (A, B, C & D) providing different types of coverage, including hospital treatment, medical treatments outside the hospital setting, and prescription drugs.
  • Eligibility requirements vary based on age, citizenship status, or medical conditions, with associated costs to consider when making informed decisions about Medicare coverage.

Breaking Down Medicare: An Overview

Medicare is a federal health insurance program designed specifically for seniors aged 65 and older, as well as certain individuals with disabilities. It covers a wide range of healthcare services, such as inpatient and outpatient hospital care, physician services, preventive services, and prescription drugs.

There are two main ways to obtain Medicare coverage: Original Medicare and Medicare Advantage. Supplemental coverage, also known as Medigap, can help cover costs and fill benefit gaps in traditional Medicare, including Medicare prescription drug coverage.

However, Medicare faces several challenges, including providing cost-effective, high-quality care to an aging population and ensuring the program’s financial stability for future generations. With approximately 50% of individuals on Medicare having incomes of less than $26,200 per person and savings of less than $74,450 in 2016, it’s crucial to understand the services covered by Medicare and what expenses are typically excluded from coverage.



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Components of Medicare: Parts A, B, C, and D

Medicare is composed of four main parts, each providing different types of coverage.

Part A includes hospital treatment and additional services. Part B primarily focuses on physician visits and medical treatments outside the hospital setting.

Part C, also known as Medicare Advantage, offers coverage provided by private insurers for the same benefits as Parts A and B, as well as prescription drug coverage. Part D covers prescription drugs.


Part APart A: Hospital Insurance

Medicare Part A is the Medicare Part that provides coverage for inpatient care in hospitals, including skilled nursing facility care, hospice care, and some home healthcare services. For individuals who have a minimum of 40 quarters of Medicare-covered employment or a spouse with the same, there is no monthly Part A premium for them to pay. Most people will not incur such a fee.

In 2023, the Part A premium is $506 per month for those with less than 30 quarters of Medicare-covered employment and $278 per month for those with 30 to 39 quarters of Medicare-covered employment. The deductible for Medicare Part A in 2023 is $1,600.


Part BPart B: Medical Insurance

Medicare Part B covers doctor visits, outpatient care, and essential medical services such as preventive services and prescription drugs. Once the deductible of $226 in 2023 has been satisfied, beneficiaries typically pay 20% of the Medicare-approved amount for services and supplies.

The monthly premium for Medicare Part B in 2023 starts at $164.90. If you don’t sign up for Part B at 65 while having large group health insurance from an employer, it may lead to a penalty.

The penalty is 10% of the standard monthly premiums for every 12-month period that enrollment was delayed.


Part CPart C: Medicare Advantage

Medicare Advantage plans, or Part C, are offered by private insurance companies and provide the same benefits as Original Medicare (Parts A and B) with additional coverage and an annual limit on out-of-pocket costs. These bundled plans often include prescription drug coverage (Part D) and may offer additional coverage such as vision, hearing, and dental care.

You need to pay an extra fee every month for this coverage. This amount is in addition to your Part B premium. Medicare Advantage plans have an annual maximum for out-of-pocket costs, which could be up to $8,300 in 2023.


Part DPart D: Prescription Drug Coverage

Medicare Part D is a prescription drug coverage plan offered by private insurers, covering both generic and brand-name drugs. Part D coverage is exclusively provided by private insurance companies that have contractual arrangements with the federal government.

It is important to take full advantage of Medicare benefits. Signing up for Part D when initially eligible is a wise choice.

To get Part D coverage, you have two options. You can either join a private Medicare prescription drug plan (PDP) or opt for a Medicare Advantage Plan with drug coverage (MAPD).


Understanding Medicare Supplement Insurance (Medigap)

Medigap, or Medicare Supplement Insurance, is an additional health insurance policy that helps pay for costs not covered by Original Medicare, such as deductibles, coinsurance, and some healthcare received when traveling abroad. Medigap plans are offered by private insurance companies and are designed to supplement the benefits provided by Medicare Part A and Part B.

Depending on the location, there are up to 10 Medicare Supplement policies to choose from. These include A, B, C, D, F, G, K, L, M and N.

Note that the policy names vary in Wisconsin, Massachusetts, and Minnesota. Each policy provides a set of standardized benefits, meaning policies with the same letter name offer the same benefits, but premiums may vary from company to company.

It is important to remember that Medigap plans do not cover long-term care, prescriptions, dental, vision, hearing aids, or private nursing care. Coverage of these items must be obtained from other sources.

Eligibility and Enrollment in Medicare

Eligibility for Medicare is determined by age, citizenship, and certain medical conditions. To enroll in Medicare Part A and Part B, the process can be automatic if Social Security has already been claimed or if disability is a qualifying factor.

For those who need to enroll manually, the process involves contacting your local Social Security office or visiting the Medicare website.


Determining Your Eligibility

Individuals aged 65 and older who are eligible for Social Security payments or whose spouse is eligible, and who have paid payroll taxes for at least 10 years, are eligible for Medicare Part A at no cost.

Individuals under the age of 65 who receive Social Security Disability Insurance (SSDI) payments become eligible for Medicare after a two-year waiting period.

However, those diagnosed with end-stage renal disease (ESRD) and amyotrophic lateral sclerosis (ALS) are exempt from this rule and become eligible for Medicare with no waiting period.

Determining Your Eligibility for Medicare


Navigating the Enrollment Process

There are various enrollment periods available for those new to Medicare or wishing to change their coverage. The initial enrollment period lasts for seven months surrounding your 65th birthday (three months before and after, plus your birthday month).

The general enrollment period runs from January 1st to March 31st annually.

Special enrollment periods enable you to join Medicare or alter your coverage depending on specific life events. Examples include leaving a job or changing residence outside of the plan’s area of coverage.

The annual Medicare open enrollment period is from October 15th to December 7th each year.


Medicare Explained


Costs Associated with Medicare

The costs associated with Medicare vary depending on the part and coverage, with premiums, deductibles, and out-of-pocket limits dependent on individual plans and circumstances. For example, the premium for Medicare Part B in 2023 is set at $164.90 per month.

Deductibles vary depending on the specific Medicare plan and services received, such as the $1,600 deductible for Medicare Part A in 2023.

Out-of-pocket limits depend on the particular Medicare plan and services rendered, such as the $8,300 annual maximum for out-of-pocket costs for Medicare Advantage plans in 2023.

It is essential to understand the costs associated with each aspect of Medicare to make informed decisions about your healthcare and ensure financial stability.

Comparing Medicare to Medicaid

To further understand the Medicare landscape, it’s helpful to compare it to Medicaid. While Medicare is available to those over 65, those on SSDI, and those with specific ailments, Medicaid is accessible to low-income individuals of all ages and varies from state to state.

Medicare is designed for seniors and certain individuals with disabilities, while Medicaid serves low-income people of all ages.

Individuals who are entitled to both Medicare and Medicaid are referred to as “dual eligible”. These beneficiaries often require more extensive healthcare services and can benefit from the combined coverage of both programs.

Comparing Medicare and Medicaid can help you better understand the differences and determine which program best suits your needs.

Comparing Medicare to Medicaid



Making Informed Choices about Medicare Coverage

Understanding your Medicare coverage options is essential for making informed decisions about your healthcare. This includes researching and comparing different plans, such as Original Medicare, Medicare Advantage, and supplemental insurance, to find the best fit for your needs and financial situation.

Be aware of what services and treatments are covered by the plan you are considering, and weigh the associated costs, such as premiums, deductibles, copayments, and coinsurance.

Additionally, determine if you qualify for financial assistance to help with Medicare costs. By taking the time to research your options and assess your healthcare needs, you can make informed choices about your Medicare coverage and ensure you receive the best possible care.


Medicare Payment Reforms and the FutureMedicare Payment Reforms and the Future

Medicare is actively testing new payment and delivery system reforms in an effort to reduce costs and improve the quality of care provided to beneficiaries. The Center for Medicare and Medicaid Innovation (CMMI) oversees Medicare payment models and assesses their impact on Medicare expenditure and the quality of care delivered to beneficiaries.

Some of the payment reforms being evaluated include bundled payments, accountable care organizations, and value-based purchasing.

The implementation of these payment reforms has the potential to enhance the quality of care and reduce costs for Medicare beneficiaries, creating a more sustainable future for the program. As Medicare continues to evolve, staying informed about these changes and their implications will be crucial for navigating the ever-changing healthcare landscape.

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Resources for Further Information

If you’re seeking more information on Medicare, several resources are available to help. The official website for Medicare is, which offers comprehensive information about the program and its various parts.

Additionally, you can locate local organizations that can provide assistance by entering your state on the Medicare website.

Other resources for further information regarding Medicare include, Advocate Health Care, and WebMD. If you have specific questions or need personalized assistance, you can contact Medicare by dialing 800-MEDICARE (800-633-4227, TTY 877-486-2048) or engaging in a live chat with a Medicare representative.

Staying informed and utilizing these resources will help ensure you make the best decisions for your healthcare needs.



In conclusion, understanding the basics of Medicare, its different parts, eligibility requirements, costs, and available resources is essential for making informed decisions about your healthcare.Medicare Explained Summary

As Medicare continues to evolve and implement new payment reforms, staying informed about the program’s future is vital for navigating the ever-changing healthcare landscape.

With the knowledge gained from this comprehensive guide, you’ll be well-equipped to make the best choices for your healthcare needs.

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Frequently Asked Questions


  What is Medicare, and who is eligible for it?

Medicare is a federal health insurance program in the United States primarily for individuals aged 65 and older. It also covers some younger people with disabilities and those with end-stage renal disease (ESRD).


  What are the different parts of Medicare, and what do they cover?

Medicare has four parts: Part A (hospital insurance), Part B (medical insurance), Part C (Medicare Advantage), and Part D (prescription drug coverage). Part A covers inpatient hospital care, while Part B covers outpatient medical services. Part C combines Parts A and B and often includes additional benefits, and Part D covers prescription drugs.


  How do I enroll in Medicare, and when should I do it?

You can usually enroll in Medicare during your Initial Enrollment Period, which starts three months before your 65th birthday. You can enroll online through the official Medicare website or visit a local Social Security office.


  What is the cost of Medicare, and are there income-based premiums?

Most people do not pay a premium for Part A if they or their spouse have paid Medicare taxes while working. Part B and Part D premiums are income-based, with higher-income individuals paying more.


  Can I keep my private health insurance while on Medicare?

Yes, you can keep private health insurance alongside Medicare, but it’s essential to coordinate benefits to ensure you get the most coverage.


  What is Medigap, and how does it work with Medicare?

Medigap, also known as Medicare Supplement Insurance, is a type of private insurance that helps cover the gaps (deductibles, copayments, and coinsurance) in Medicare coverage. You can purchase a Medigap policy to work alongside your Original Medicare.


  What is the “Medicare Annual Enrollment Period,” and what can I do during it?

The Annual Enrollment Period, from October 15 to December 7 each year, allows you to make changes to your Medicare coverage. You can switch between Medicare Advantage plans, join a new plan, or make changes to your Part D prescription drug coverage.


  What is the difference between Medicare Advantage and Original Medicare?

Medicare Advantage plans (Part C) are offered by private insurance companies and often include additional benefits like dental and vision coverage. Original Medicare (Part A and Part B) is provided by the federal government and allows you to see any doctor who accepts Medicare.


  How does Medicare cover preventive care and screenings?

Medicare covers a wide range of preventive services, including flu shots, mammograms, and cardiovascular screenings. These services are usually covered at no cost to the beneficiary.


  What is the “coverage gap” in Medicare Part D, and how can it be managed?

The coverage gap, also known as the “donut hole,” occurs when your prescription drug costs exceed a certain limit. To manage it, consider switching to lower-cost medications or explore programs that offer discounts on prescription drugs while in the coverage gap.

Find the Right Medicare Plan for You

Searching for the right Medicare plan doesn’t have to be stressful. Whether it’s a Medigap plan, or you have questions about Medicare Advantage or Medicare Part D, we can help.

Call us today at 1-888-891-0229 and one of our knowledgeable, licensed insurance agents will be happy to assist you!

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