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Understanding Medicare Supplement Plan K

https://www.goodfinancialcents.com/wp-content/uploads/2019/07/MG_5503-150x150.jpg
  • Written By:
    Jeff Rose, CFP®

    Jeff Rose, CFP®

    Jeff Rose, CFP® is a Certified Financial Planner™, founder of Good Financial Cents, and author of the personal finance...

    Read More
  • Updated: September 1, 2021
  • 5 Min Read
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For most people, their health tends to get pushed to the back burner. The older that we get, the more money that we spend at the doctor and on our health care needs. As a senior, the largest part of health care insurance is Medicare. The government program has provided health care coverage to millions and millions of people across the United States. For a lot of these seniors, they wouldn’t be able to afford this protection if they applied for a policy through a private company.

The problem is that Medicare doesn’t cover everything that seniors may run into as they get older. Those coverage gaps could leave you with a mountain of hospital bills and medical fees. Those bills could quickly drain a retirement account and leave seniors with too little money in their retirement age.

Luckily, there are several ways that you can get some additional coverage against rising medical bills. It’s vital that you have the health care coverage that you need. One of the best ways to do that is to purchase a Medigap policy.

What is a Medicare Supplemental Plan?

These Medigap plans are sold by private insurance companies and are separate from the government Medicare program. The goal of these plans is to fill in the gaps that Medicare leaves behind. If you have one of these plans, then you’ll still be required to pay the premiums for Plan A and B, and you’ll also pay a private insurance company every month for the additional coverage. Some Medicare enrollees assume that these Medigap plans replace original Medicare, but that is not true.

There are ten different supplemental plans that you can choose from, depending on where you live. Not every state allows all the plans. These plans are denoted by a letter of the alphabet, from A to N. The different plans are going to cover different expenses or a portion of expenses. Some of them are going to provide more comprehensive coverage, like Plan F, while others are going to be more basic, like a Plan A.

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What Does Medigap Plan K Cover?

Now that we’ve looked at the foundational information of supplemental plans let’s take a deeper look at Medigap Plan K. For a lot of applicants, Plan K is a great policy, but it’s important that you compare all of your options before you decide which one is going to work best for you. Plan K is not the most popular option, but there are several advantages of this plan that you should be aware of when you’re shopping for additional coverage.

Plan K is one of the smaller policies that is going to provide basic coverage (which means lower monthly premiums). Unlike other plans that pay 100% of categories, Plan K is only going to pay for a portion of those expenses. For most of the categories, it pays 50% of these expenses. I’ll discuss those categories later in this article.

One of the unique advantages of Plan K is the yearly out-of-pocket limit that it includes. With Plan K, the out-of-pocket limit is $5,120, but that number can change every year. Once you’ve reached this threshold, your Medigap plan is going to cover 100% of your Medicare-covered costs for the remainder of the year. This is a nice safety net to have for your supplemental coverage, especially if you have a drastic health condition that could rack up a massive amount of health care costs. Plan K is only one of two plans that have an out-of-pocket limit, the other plan is Plan L, which has a much lower limit. With Plan L, the limit is half of Plan K’s limit.

If you purchase a Plan K, you’re going to get 50% coverage for these categories:

  • Medicare Part A deductible
  • Part A hospice care coinsurance or copayment
  • Skilled nursing facility coinsurance
  • Part B copayment or coinsurance
  • First three pints of blood for medical procedures

Until you reach the out-of-pocket limit, you will have to pay half of all of the categories. For most people, 50% coverage is enough to give them the financial protection that they need, but for others, they would like to have those expenses completely coverage. This is one of the most unique traits about the Plan K, is that it only pays for half of the categories.

These are the main coverage categories for your Plan K. There are a few key areas that you won’t get any coverage at all. The two main ones are the Part B deductible (which no plans are allowed to pay for anymore) and the Part B excess charges.

When you go to the doctor or have any medical services done, there is a pre-determined amount that they are going to pay for those treatments. Legally, the doctor is allowed to charge 15% more than that pre-determined amount, and everything above that is considered excess charges. With a Plan K, you’ll be responsible for paying for all of those excess charges out-of-pocket. In most cases, these are not going to be huge bills, but depending on the treatments or services that you get, it could end up draining your bank account before you know it.

Choosing the Plan That Works Best for You

Is a Plan K right for you? Plan K is a specific Medigap plan that scares a lot of applicants away. The half coverage keeps a lot of Medicare enrollees from choosing this plan, even though they could save money by picking this plan. If you don’t think a Plan K is best for you, there are several other excellent options that you can choose from.  I know that picking a plan can be difficult, but there are several key factors that you should look at when you’re shopping for supplemental coverage.

The first thing that you should look at is your finances. The goal of your Medigap plan is to protect your savings account from being hit with thousands and thousands of dollars of medical bills, but you shouldn’t have a plan that’s going to stretch your budget every month. Before you apply for any of these plans, take a long hard look at your finances and see which one is going to fit comfortably.

The next thing that you should consider is your health. The purpose of your Medigap plan is to ensure that you’re getting the proper health care coverage without having to foot that bill yourself. If you’re in excellent health with no serious health complications, then you can consider purchasing a smaller plan, like a Plan K, which leaves more gaps in your coverage. On the other hand, if you’re in poor health and have several red flags on your medical history, then you should consider enrolling in a more encompassing plan that fills in all of the gaps left behind by Medicare.

Medigap Open Enrollment Period

Once you’ve decided which plan that you want to buy, Plan K or one of the nine others, it’s important that you take advantage of your Medigap Open Enrolment Period. This is a six-month window that starts the month that you turn 65. During this window, the insurance company can’t decline your application, regardless of your health or any pre-existing conditions that you may have. If you have some drastic health problems, this could be your only chance to get supplemental coverage.

If you apply during your Medigap Open Enrollment period, the insurance company can’t increase your premiums before of your health. If you purchase one of these plans outside of the open enrollment date, then your application will have to go through the underwriting process. That means that you could get drastically higher rates for your supplemental coverage. If you want to save money, it’s important that you apply during this time frame.

If you’ve already missed your Medigap Open Enrollment date, don’t worry, there is still a good chance that you can get affordable supplemental coverage.

Questions or Concerns?

This is the basics of Plan K coverage. If you still have questions about Plan K or supplemental coverage in general, please feel free to contact me or an experienced Medigap insurance agent today. Your health care coverage is one of the most important factors, especially as you get older.

It can be difficult keeping up with all of the changes to Medicare and supplemental coverage, but that’s why I am here to help. It’s my goal to give you the information and resources that you need.

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About the Author

Jeff Rose, CFP® is a Certified Financial Planner™, founder of Good Financial Cents, and author of the personal finance book Soldier of Finance. He was a financial planner for 16+ years having founded, Alliance Wealth Management, a SEC Registered Investment Advisory firm, before selling it to focus on his passion - educating the masses on the importance of financial freedom through this blog, his podcast, and YouTube channel.


Jeff holds a Bachelors in Science in Finance and minor in Accounting from Southern Illinois University - Carbondale. In addition to his CFP® designation, he also earned the marks of AAMS® - Accredited Asset Management Specialist - and CRPC® - Chartered Retirement Planning Counselor.

While a practicing financial advisor, Jeff was named to Investopedia's distinguished list of Top 100 advisors (as high as #6) multiple times and CNBC's Digital Advisory Council.

Jeff is an Iraqi combat veteran and served 9 years in the Army National Guard. His work is regularly featured in Forbes, Business Insider, Inc.com and Entrepreneur.

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