Ask five people what they “know” about Medicare, and you’ll probably get five different answers, and at least a couple of them will be wrong. Medicare misinformation spreads fast, passed down from well-meaning parents, repeated in Facebook comment sections, and occasionally reinforced by outdated blog posts. The trouble is, believing the wrong thing about Medicare can lead to real financial consequences: missed deadlines, unexpected bills, or coverage gaps nobody saw coming.
If you’re getting close to 65, or helping a parent get there, it’s worth separating fact from folklore. Here are five of the most common Medicare myths still making the rounds.

Myth 1: “Medicare Is Free”
This is probably the most persistent myth out there, and it’s easy to see why. Many people paid Medicare taxes for decades through their paychecks, so it feels like the coverage should simply arrive at no cost when they turn 65.
In reality, Medicare has real costs attached. Part A is usually premium-free if you or a spouse paid Medicare taxes long enough, but Part B carries a monthly premium, along with deductibles and coinsurance. On top of that, most people add drug coverage and either a Supplement or Advantage plan, each with its own premium. Medicare significantly reduces healthcare costs, but “free” isn’t the right word for it.
Myth 2: “I Can Sign Up Whenever I Get Around to It”
This myth causes more financial pain than almost any other. Some people assume Medicare enrollment works like other government programs, apply whenever it’s convenient. It doesn’t.
Turning 65 starts a strict seven-month Initial Enrollment Period. Miss it without qualifying employer coverage, and you’re looking at a Part B late enrollment penalty that gets added to your premium for as long as you have Medicare, along with a potential gap in coverage until the next enrollment period opens. There’s no “getting around to it later” without a cost attached.
Myth 3: “All Medicare Advantage Plans Are Basically the Same”
Because Medicare Advantage plans are often advertised with similar-sounding perks, low or $0 premiums, dental, vision, gym memberships, it’s easy to assume one plan is as good as another. It’s not.
Every Medicare Advantage Plan has its own network of doctors and hospitals, its own drug formulary, and its own out-of-pocket costs for specific services. Two plans with nearly identical premiums can differ wildly in what they actually cover and which providers accept them. Comparing plans based on your specific doctors, prescriptions, and expected medical needs matters far more than comparing headline features.
Myth 4: “I Don’t Need Drug Coverage Because I Don’t Take Medication”
This myth feels logical on the surface, why pay for coverage you’re not using? But Medicare doesn’t see it that way.
Going without a Medicare Prescription Drug Plan or other creditable drug coverage can trigger a late enrollment penalty if you decide to add coverage later. That penalty is calculated based on how long you went without coverage and gets tacked onto your premium indefinitely. Health needs change, often quickly, and having at least a low-cost drug plan in place protects you from paying more down the road.
Myth 5: “A Medicare Supplement Plan Is Only Worth It If You’re Sick”
Some people wait to consider a Supplement plan until after a health scare, assuming it’s not worth the premium while they’re still feeling healthy. This thinking can backfire.
Medicare Supplement plans come with the best rates and guaranteed acceptance during your six-month Medigap Open Enrollment Period, which starts the month you’re both 65 and enrolled in Part B. Wait past that window, and insurers can use medical underwriting to charge more or deny coverage based on health conditions. In other words, the best time to consider a Supplement plan is often before you think you need it, not after.
The Bottom Line
Medicare myths tend to spread because they sound reasonable, until they cost someone real money. Before your parents, or you, make any decisions based on something overheard at a family dinner or read in an online comment section, it’s worth double-checking the facts with a source that actually knows the current rules.
If you want clear, accurate answers instead of secondhand advice, reaching out to a local, licensed Medicare specialist is one of the simplest ways to separate myth from reality.
Need help? Call Health Plans in Oregon: 503-928-6918. Our assistance is at no cost to you.
