Best Medicare Supplement Plans for Seniors Over 70 in 2026
⏱ 12 min read · 2,422 words
If you're over 70 and trying to figure out which Medicare Supplement plan gives you the most protection, you're dealing with a decision that gets surprisingly little clear guidance. Most articles either assume you already know how Medigap works or steer you toward whichever plan pays the writer the highest commission.
Here's what actually matters: Plan F covers every single out-of-pocket cost that Original Medicare leaves behind. Plan G covers almost everything except the Part B deductible. And Plan N asks you to pay small copays at the doctor's office in exchange for a lower monthly premium.
Those three plans dominate the market for seniors over 70 because they offer predictable costs and genuine protection against large medical bills. This article breaks down how they compare, what each one costs in real terms, and when the supposedly "best" plan is not actually the right choice for your situation.
Why This Decision Gets Harder After 70
Most people buy their first Medigap plan during the six-month window that starts when they turn 65 and enroll in Part B. During that window, insurance companies cannot turn you down or charge you more because of your health history.
After that window closes, you can still switch plans but now insurers can ask about your medical conditions and either deny you coverage or raise your premiums. That's why choosing the right plan the first time matters so much. And if you're over 70 and thinking about switching, you need to weigh the savings from a cheaper plan against the real possibility that you won't be able to switch back if your health changes.
The other reason this gets confusing: generic advice online treats all seniors as if they have the same budget and the same health risks. A 72-year-old managing diabetes and high blood pressure has different priorities than a 72-year-old who hikes three times a week and takes no prescription drugs. One-size-fits-all recommendations miss that entirely.
The Best Medicare Supplement Plans for Seniors Over 70
There are ten standardized Medigap plans, labeled A through N. But three plans account for the vast majority of policies sold to people over 70: Plan F, Plan G, and Plan N. Here's what each one actually does.
Plan F: Complete Coverage, Zero Surprises
Plan F covers all of the gaps that Original Medicare leaves behind. Part A deductible. Part B deductible. Part B excess charges. The 20% coinsurance on doctor visits and outpatient procedures. All of it.
When I finally understood how Plan F worked after years of explaining it to other people, the simplicity hit me hard: you pay your monthly premium, and then you have no out-of-pocket costs for any Medicare-covered service. No surprise bills. No mental math at the pharmacy counter trying to figure out whether you can afford the test your doctor just ordered.
The catch: Plan F is no longer available to anyone who became eligible for Medicare on or after January 1, 2020. If you turned 65 in 2020 or later, you cannot buy Plan F. But if you already have it, you can keep it. And if you turned 65 before 2020 but didn't buy Plan F at the time, you can still enroll now though you'll likely face medical underwriting unless you qualify for a guaranteed issue right.
For seniors over 70 who already have Plan F, the question is whether to keep it or switch to Plan G to save on premiums. That depends entirely on how much your Plan F premium has increased and whether the savings from Plan G outweigh the cost of paying the Part B deductible yourself.
Plan G: Nearly Complete Coverage
Plan G covers everything Plan F covers except the Part B deductible. In 2026, the Part B deductible is $257. Once you pay that $257 out of pocket at the beginning of the year, Plan G covers 100% of your Medicare-approved costs for the rest of the year.
For most people who became Medicare-eligible in 2020 or later, Plan G is the highest level of coverage available. And for many seniors over 70, it's the smarter financial choice even if Plan F is still an option. Plan G premiums tend to run $20 to $40 per month lower than Plan F premiums in most states. That's $240 to $480 per year in savings. Since the Part B deductible is only $257, you come out ahead as long as the premium difference is at least $22 per month.
Plan G also tends to have more stable premiums over time. Because it's now the most popular Medigap plan, it attracts a larger and more balanced risk pool. Plan F, by contrast, is a closed pool that skews older every year and insurers often raise Plan F premiums faster to account for that.
Plan N: Lower Premiums, Small Copays
Plan N covers most of what Plan G covers, but it asks you to share a small amount of cost at the point of service. You pay up to $20 per doctor visit and up to $50 per emergency room visit that doesn't result in admission. You also pay the Part B deductible and any Part B excess charges (though fewer than 1% of doctors charge excess fees).
Plan N premiums typically run $30 to $60 per month lower than Plan G premiums. For someone who sees the doctor four times a year, those copays add up to maybe $80 annually. The Part B deductible adds another $257. So your total out-of-pocket cost with Plan N might be $340 to $400 per year, compared to $257 with Plan G.
Plan N makes sense if you're healthy, rarely go to the doctor, and want the lowest possible monthly premium. It does not make sense if you have multiple chronic conditions and see specialists frequently. Take someone who worked 35 years as a postal carrier, retired at 67, and now manages heart disease and arthritis. That person might have ten or twelve doctor visits a year. The copays alone would eat up most of the premium savings, and the unpredictability of those costs defeats the whole purpose of buying supplemental coverage.
Medicare Supplement Plan G vs Plan N Comparison
The choice between Plan G and Plan N comes down to how much you value predictability versus lower monthly costs. Plan G gives you zero surprises after you pay the Part B deductible. Plan N saves you money every month but adds small costs every time you use healthcare.
Here's a realistic scenario: You're 73, reasonably healthy, and you see your primary care doctor three times a year and a cardiologist twice a year. With Plan G, you pay the $257 deductible in January and then nothing for the rest of the year. With Plan N, you pay the $257 deductible plus five copays at $20 each, for a total of $357 out of pocket. If Plan N costs $40 less per month than Plan G, you save $480 in premiums but spend $100 more in copays. Net savings: $380 per year.
Now imagine you develop a new health issue that requires monthly visits to a specialist. Suddenly you're paying $20 per visit, twelve times a year. That's $240 in copays plus the $257 deductible, for a total of $497 out of pocket. Your premium savings still exist, but the gap narrows. And if your health deteriorates further, you might want to switch to Plan G but by then, you'll face medical underwriting and possibly a denial or a higher premium.
Most people assume the lower premium automatically means Plan N is the better deal. That's only true if your health stays stable and you don't need frequent medical care. For seniors over 70, that's a bigger gamble than it was at 65.
What About Medicare Advantage?
Some people ask whether a Medicare Advantage plan might offer better value than a Medigap plan. Medicare Advantage plans often have low or zero monthly premiums and include extra benefits like dental, vision, and hearing coverage that Original Medicare doesn't provide.
The tradeoff: Medicare Advantage plans use provider networks. You typically need a referral to see a specialist. And if you travel or spend winters in another state, you might find yourself out of network when you need care. Most Advantage plans also have annual out-of-pocket maximums that range from $3,000 to $8,000. If you have a serious illness or injury, you could hit that cap.
For seniors over 70 who travel frequently, have complicated medical needs, or simply want the freedom to see any doctor who accepts Medicare without worrying about networks, Original Medicare plus a Medigap plan usually delivers more peace of mind. That peace of mind costs more per month, but it eliminates the risk of a $6,000 surprise bill after a hospitalization.
Does Medicare Pay for Hearing Aids for Seniors in 2026?
Original Medicare does not cover hearing aids or routine hearing exams. Some Medicare Advantage plans include hearing aid coverage, typically with annual limits around $500 to $2,500 depending on the plan. Medigap plans also do not cover hearing aids because they only pay for services that Medicare covers but doesn't pay in full.
If you need hearing aids and you're on Original Medicare with a Medigap plan, you'll pay out of pocket unless you have separate insurance or qualify for assistance through your state. This is one area where Medicare Advantage plans sometimes offer a real advantage, especially if your hearing loss is progressing and you know you'll need new devices every few years.
How to Choose the Right Plan for Your Situation
Start by comparing premiums for Plan F (if you're eligible), Plan G, and Plan N from at least three different insurance companies. Premiums for the same plan can vary by $50 or more per month depending on the insurer, even though the coverage is identical.
Then calculate your likely out-of-pocket costs under each plan based on how often you see doctors now. If you have multiple chronic conditions, Plan G almost always makes more sense than Plan N. If you're healthy and rarely need medical care, Plan N might save you $300 to $500 per year.
One thing most people get wrong: they focus only on the premium and ignore what happens if their health changes. Once you're over 70, switching plans usually requires medical underwriting. If you develop a serious condition, you might not be able to switch from Plan N to Plan G even if you're willing to pay the higher premium. That's why many benefits advisors recommend Plan G as the default choice for seniors over 70 the slightly higher premium buys you protection against both medical costs and future regret.
Also worth knowing: some states require insurers to offer at least one annual open enrollment period for Medigap plans, during which you can switch without medical underwriting. California, Oregon, and Missouri have versions of this rule. If you live in one of those states, you have more flexibility to start with Plan N and switch to Plan G later if your health changes.
What to Do Next
If you're over 70 and happy with your current Medigap plan, the most important thing you can do is review your premium notice every year when it arrives. If your premium increases by more than 10% or 15%, call your insurance company and ask why. Then get quotes from other companies for the same plan. You might save $40 or $50 per month just by switching carriers, and in most cases you can do that without medical underwriting if you're moving to the same plan letter with a different company.
If you're choosing a plan for the first time or reconsidering your current coverage, focus on Plan G unless you have a strong reason to choose Plan F (if eligible) or Plan N. Plan G delivers the most predictable costs for the broadest range of health situations. It's not always the cheapest option, but it's almost always the safest one.
And if you're spending time comparing plans online, keep in mind that the best plan on paper is not always the best plan in practice. A plan that covers everything but costs $250 per month might sound better than a plan with small copays that costs $180 per month. But if that extra $70 per month makes you skip other things you need like fresh groceries or your gym membership the cheaper plan might actually keep you healthier in the long run. Choose the plan you can afford to keep, not the one that looks best on a spreadsheet.
Frequently Asked Questions
Q: Can I switch from Plan F to Plan G if I'm over 70?
A: Yes, but in most states you'll need to go through medical underwriting unless you qualify for a guaranteed issue right. If you're in good health, you'll likely be approved. If you have serious health conditions, the insurance company might deny you or charge a higher premium. The premium savings from switching to Plan G typically range from $20 to $40 per month, which can add up to $480 per year.
Q: What happens to my Medigap plan if I move to another state?
A: Your Medigap plan stays active, but premiums for the same plan can vary significantly by state. You'll want to shop for a new policy in your new state. Some states guarantee you the right to switch Medigap plans without medical underwriting if you move there, but most do not. Plan ahead and get quotes before you relocate if possible.
Q: Does Plan G cover prescription drugs?
A: No. No Medigap plan covers prescription drugs. You need a separate Part D plan for drug coverage. In 2026, Part D has an out-of-pocket cap of $2,000 per year, which means once you spend $2,000 on drugs, your plan covers 100% of costs for the rest of the year.
Q: If I have Plan G, will I ever get a surprise medical bill?
A: Not for any Medicare-covered service. Once you pay the $257 Part B deductible, Plan G covers 100% of your coinsurance and copays. The only bills you might see are for services Medicare doesn't cover at all, like routine dental care, eyeglasses, or hearing aids.
Q: Is Plan N a good choice if I only see the doctor twice a year?
A: Plan N can save you money if you're healthy and rarely need medical care. The copays are small up to $20 per visit and the lower monthly premium usually offsets those costs. But keep in mind that if your health changes and you need to see doctors more frequently, switching to Plan G later might require medical underwriting. If you have any chronic conditions or a family history of serious illness, Plan G is usually the safer long-term choice.
Disclaimer: This article is for informational purposes only and does not constitute financial, legal, or medical advice. Medicare rules, tax laws, and Social Security benefit amounts change annually. Always consult a licensed financial advisor, Medicare specialist, or Social Security Administration representative before making decisions about your benefits, retirement income, or estate planning.
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