Your Rates Went Up Because Medigap Pricing Was Never Meant to Stay Still
That letter in the mail with the new premium number is frustrating, especially when you thought you’d locked in a good rate. You didn’t do anything wrong. But there are some specific reasons this happens, and once you understand them, you can actually do something about it instead of just absorbing the increase.
Medicare supplement premiums are not fixed for life. They never were. And honestly, most people are sold these plans without a clear explanation of how the pricing works over time. I’ve seen this play out hundreds of times: someone buys a Plan G at 65, loves it for two or three years, then calls me confused and a little angry when the premium jumps. So let’s break down exactly what’s happening.
The Three Ways Medigap Insurers Are Allowed to Raise Your Rates
There are three pricing methods insurers use for Medigap, and which one you’re on determines a lot about how your rates behave over time.
Community-rated plans charge everyone the same premium regardless of age. Your rates still go up over time, but the increases are driven by overall claims costs in your area, not how old you’re getting. These tend to start higher but stay more predictable.
Issue-age-rated plans lock your premium to the age you were when you enrolled. They don’t go up just because you’re aging, but they do go up with inflation and claims trends.
Attained-age-rated plans are the most common, and they’re also the most dangerous for your wallet long-term. Your premium increases every year partly because you’re a year older, and partly because of general cost trends. So you get hit twice. At 65, the premium looks great. At 78, you might be paying 60% or more than you started at.
Most people in most states are enrolled in attained-age-rated plans, often without realizing it. If you don’t know which pricing method your plan uses, look at your policy documents or call your insurer and ask directly. That single piece of information tells you a lot about what to expect going forward.
| Pricing Method | What Drives Increases | Starting Premium | Long-Term Cost Risk |
|---|---|---|---|
| Community-rated | Area-wide claims costs | Higher | Lower |
| Issue-age-rated | Inflation, claims trends | Moderate | Moderate |
| Attained-age-rated | Age + inflation + claims | Lower | Highest |
Inflation and Claims Costs Are Doing Real Damage Right Now
Even if you had a community-rated or issue-age plan, your rates would still be going up. Healthcare inflation hasn’t been kind in recent years, and Medicare supplement insurers pass those costs directly to policyholders.
Here’s what’s actually driving the increases across the board right now. Hospital costs are up. Outpatient procedure costs are up. More people are using their coverage post-COVID because they deferred care for two or three years, and now the claims are flooding in. When an insurer’s pool of members files more claims, everyone in that pool pays more. That’s how insurance math works.
The Part A deductible per benefit period in 2026 is $1,676. Plan G covers that deductible entirely after you meet the 2026 Part B deductible of $257. As those underlying Medicare cost-sharing amounts go up each year, insurers have to recalculate their exposure. Even small increases in Part A and Part B cost-sharing ripple through into your premiums.
What people often miss is that your insurer doesn’t just look at your claims. They look at the entire block of policyholders in your plan. If you’re on an older block of business with a lot of long-term enrollees, that block tends to be sicker and more expensive. Insurers sometimes close blocks and stop enrolling new people, which means the pool gets older and costlier every year, and your rates accelerate faster. This is one of the less-discussed but very real reasons rates can spike unpredictably.
The Misconception That’s Costing People Real Money
This is the one I see most often, and it genuinely bothers me: people assume they can’t switch plans because they have a health condition, so they just keep paying the higher premium forever.
That’s not always true, and the assumption costs some people thousands of dollars over time.
Yes, outside of your initial enrollment period, most states require you to pass medical underwriting to switch Medigap plans. That means a heart condition, diabetes, COPD, or even some medications can get you declined. This is a real barrier, and I don’t want to minimize it.
But here’s what a lot of people don’t know: some states have protections that let you switch without underwriting in certain situations. Missouri, California, Oregon, and a handful of others have guaranteed issue rights that go beyond the federal minimums. If you live in one of those states, you may be able to move to a lower-cost carrier offering the same plan even with health issues.
Also, if your health is actually good, you should absolutely be shopping. A 68-year-old in Ohio on Plan G might be paying $195 a month with one carrier and could get identical coverage from another carrier for $148. That’s $564 a year in savings for the exact same benefits. I’ve seen people stay loyal to their original insurer for years out of habit or mild confusion about whether switching is really possible. It is. And it’s worth doing.
The mistake people make is waiting. The longer you wait, the older you are, and the more likely a new health condition shows up and closes the door on switching. If you’re healthy and your rates have gone up, shop now.
How to Find Out If You’re Overpaying and What to Do Next
Step one is getting a current rate comparison from an independent broker who works with multiple carriers. Not a captive agent who only sells one company’s plans. An independent broker can pull quotes from six, eight, sometimes twelve different insurers for the same plan letter in your area.
When you compare quotes, make sure you’re comparing the same plan letter. Plan G from Company A and Plan G from Company B cover exactly the same things. The only real differences are the premium, the insurer’s financial stability rating, and their history of rate increases. That last one matters a lot. Some carriers have a track record of smaller, more predictable increases. Others hit you with 12-15% jumps in a single year. Ask any broker you work with to show you rate history for the carriers they’re recommending.
If you do decide to switch, there’s a process. You apply with the new carrier, go through underwriting if your state requires it, and if approved, you cancel the old policy. Don’t cancel until you have the new one approved and in hand. That’s a common error that can leave you briefly uninsured or locked out if the new application doesn’t go through.
If you’re not eligible to switch due to health, your options are more limited but not zero. You can ask your insurer to move you to a plan with different cost-sharing, like going from Plan G to Plan N, which has a small copay structure but lower premiums. A 72-year-old who rarely sees specialists might save $40 to $60 a month doing this, with minimal real-world impact on their out-of-pocket costs.
Bottom Line
Your Medicare supplement rate went up because of a combination of your age, overall healthcare inflation, and how your insurer is managing their risk pool. For most people, the smartest move is to get a current rate comparison while you’re still healthy enough to qualify for a new plan. If you’re in good health and your premium has jumped more than 10% in the past year or two, there’s a very good chance you can find the same coverage for less money somewhere else.
Frequently Asked Questions
How much can Medicare supplement rates go up in a year?
There’s no federal cap on annual increases, and state caps vary. A 5-8% annual increase is common, but some carriers have raised rates 12-15% in a single year. If yours jumped more than that without explanation, it may be worth filing a complaint with your state insurance commissioner and definitely worth shopping for alternatives.
Can my Medicare supplement insurer cancel my policy if I make a lot of claims?
No. As long as you pay your premium on time, they cannot cancel your Medigap policy or refuse to renew it based on your health or claims history. This is federal law. They can raise your rates, but they can’t single you out for rate increases or drop you individually.
Is it worth switching plans to save $30 or $40 a month?
Usually yes, especially if you’re in your late 60s or early 70s and still healthy. Over five years, $40 a month is $2,400, and that assumes the current carrier doesn’t raise rates again. Since both plans cover the same things, the only risk in switching is the underwriting process, which is why doing it while you’re healthy gives you the most options.
Does it help to call my insurer and ask them to lower my rate?
Honestly, no. Unlike some types of insurance, Medigap rates are filed with your state and applied uniformly. An insurer can’t just cut you a deal. Your real leverage is being willing to leave, and if they know that’s not a realistic threat because of your health, they have very little incentive to work with you. The market itself is your only negotiating tool.
