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Medicare Supplement Plan F Cost 2027: Premiums, Who Can Buy It and Is It Worth It

Reviewed by Russell Noga, Licensed Medicare Insurance Broker (all 50 states) — Last updated October 25, 2026

Key Takeaway

Plan F covers the most of any Medicare Supplement plan, but it is closed to anyone new to Medicare since 2020, and its premiums keep climbing. For most people who have it, Plan G now costs less for the year, even after paying the Part B deductible.

Plan F was the most popular Medicare Supplement plan for years because it covers nearly everything. Today, the cost of Plan F Medicare Supplement coverage is one of the most common questions we hear, especially from people whose premium keeps going up. Here is what Plan F costs in 2027, who can still buy it and whether it is still worth it.

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How Much Does Plan F Cost in 2027?

Plan F premiums depend on where you live, your age and the company. Because only people eligible for Medicare before 2020 can buy it, most Plan F policyholders are now in their 70s or older, and premiums reflect that.

For people in their 70s, Plan F often runs about $200 to $350 a month or more. In high-cost states and for older ages, it can go higher. Most companies announce 2027 rate changes on your policy anniversary or a date they set each year.

Good to know: Plan F benefits are the same with every company by law. If your Plan F premium is high, another company may charge less for the exact same coverage.

Who Can Still Buy Plan F

Who can buy Medicare Supplement Plan F: eligible for Medicare before January 1, 2020 can buy Plan F, eligible 2020 or later can buy Plan G or Plan N
✔
You were eligible for Medicare before January 1, 2020, even if you did not enroll then
✔
You are under 65 and were on Medicare because of a disability before 2020
✔
You already have Plan F and want to switch to Plan F with a different company
✔
You can pass health questions if you are outside your open enrollment period

If you first became eligible for Medicare on or after January 1, 2020, Plan F is not an option. Plan G is the closest plan you can buy, and it covers everything Plan F does except the Part B deductible.

Plan F vs Plan G Cost

Cost for the year Plan F Plan G High-Deductible Plan F
Example monthly premium $260 $210 $70
Yearly premium $3,120 $2,520 $840
Part B deductible (2026) $0 $283 Counts toward deductible
Plan deductible None None $3,050 in 2027
Total if you see the doctor a few times $3,120 $2,803 $840 plus your costs up to $3,050

Example premiums for illustration only, not quotes. Actual premiums vary by state, company, age, gender and tobacco use. The 2026 Part B deductible is $283; CMS has not announced the 2027 amount yet.

In this example, Plan G saves about $317 a year compared with Plan F, even after paying the Part B deductible. That gap is common, and it tends to grow over time.

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Why Plan F Premiums Keep Rising

Why Medicare Supplement Plan F cost rises faster: closed Plan F premiums grow faster than open Plan G premiums over time

Plan F has been closed to new people turning 65 since 2020. That means the group of people who have Plan F only gets older. Older groups file more claims, and more claims lead to bigger rate increases.

1
No new members. Younger, healthier people turning 65 can’t join Plan F.
2
Aging policyholders. The average Plan F member gets older every year.
3
Higher claims. Older members use more care, so the company pays more.
4
Bigger increases. Rates rise faster than on plans still open to new members.

Rate increases hit every company, not just Plan F. For one example, see the latest Aetna Medicare Supplement rate increase history.

Cost Example: Keeping Plan F vs Switching to Plan G

Say you are 74, pay $260 a month for Plan F, and another company offers Plan G for $210 a month.

Keep Plan F

✔$260 a month
✔$3,120 a year
✔$0 Part B deductible

Switch to Plan G

✔$210 a month
✔$2,520 a year plus $283 deductible
✔Total about $2,803

Your Savings

✔About $317 a year
✔About $1,585 over 5 years
✔Same coverage except one deductible

Example only, based on the 2026 Part B deductible. Savings depend on actual premiums and future rate increases.

High-Deductible Plan F Cost

High-Deductible Plan F has the same benefits as Plan F, but you pay a deductible before it starts paying. The deductible is $3,050 in 2027. In exchange, the premium is much lower, often well under $100 a month.

It can make sense if you are healthy, rarely see the doctor and have savings to cover the deductible in a bad year. Like regular Plan F, it is only available if you were eligible for Medicare before 2020.

Watch the math: In a year with a hospital stay, you could pay up to the full deductible. Compare that worst case with the premium you save before you choose.

What Affects Your Plan F Price

1
Your age. Most companies use attained-age pricing, so Plan F costs more as you get older.
2
Your ZIP code. Rates vary a lot from one area to the next.
3
Gender and tobacco use. Women and non-smokers usually pay less.
4
The company. Plan F is identical everywhere, but prices are not.
5
Discounts. A household discount can lower your premium if you apply with your spouse.

Should You Keep Plan F or Switch?

Keep Plan F or switch to Plan G: if Plan F costs $40 or more a month than Plan G, compare and apply for Plan G

Keep Plan F if you can’t pass health questions, or if your Plan F premium is close to what Plan G would cost. Switching only helps if you get approved and the savings are real.

Consider switching if your Plan F premium is $40 or more a month higher than Plan G for your age and ZIP code. That gap covers the Part B deductible with money to spare. See how costs compare across every plan in our guide to Medicare Supplement plans cost.

Never cancel first: Apply for the new plan and wait for approval before you cancel Plan F. If you are turned down, you keep your current coverage.

The Bottom Line

Plan F still offers the most coverage, but you pay for it, and premiums keep rising as the group gets older. If you can pass health questions, compare Plan G every year, and a licensed insurance agent can show you the numbers for your ZIP code at no cost.

See if Plan G can save you money

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Keep Reading

Medicare Supplement Household Discount: who qualifies and how much a household discount can save you each year.

Medicare Supplement Plan F Cost 2027 — Frequently Asked Questions

➤ How much does Medicare Supplement Plan F cost?

Plan F premiums vary a lot by state, age and company. For people in their 70s, Plan F often runs about $200 to $350 a month or more. Your exact price depends on your ZIP code, age, gender, tobacco use and discounts.

➤ Who can still buy Plan F?

Only people who were eligible for Medicare before January 1, 2020 can buy Plan F. If you turned 65 or first qualified for Medicare on or after that date, you cannot buy Plan F, but you can buy Plan G.

➤ Is Plan F more expensive than Plan G?

Usually, yes. Plan F covers the Part B deductible and Plan G does not, but Plan F premiums are often higher by more than the deductible, so Plan G frequently costs less for the year.

➤ Why are Plan F premiums going up so fast?

No new people turning 65 can join Plan F, so the group of Plan F policyholders gets older every year and files more claims. That pushes Plan F rate increases higher than many other plans.

➤ What is the High-Deductible Plan F deductible?

The High-Deductible Plan F deductible is $3,050 in 2027. You pay covered costs up to that amount before the plan starts paying.

➤ Should I switch from Plan F to Plan G?

If you can pass health questions, switching from Plan F to Plan G often saves money because the premium difference is bigger than the Part B deductible. Keep Plan F until the new policy is approved.

➤ Does Plan F cover prescription drugs?

No. Plan F does not cover prescription drugs. You need a separate Medicare Part D plan for drug coverage.

➤ Can a licensed agent compare Plan F and Plan G prices for me?

Yes. A licensed insurance agent can compare Plan F and Plan G prices from several companies in your ZIP code and show you which costs less for the year, at no cost to you.

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