AARP Medicare Supplement Plan F: Costs, Eligibility, and Coverage

If you have ever shopped for Medigap coverage, you have probably encountered the phrase aarp medicare supplement plan f. It is one of the most recognized names in the supplemental insurance market, and for decades it was the gold standard for people who wanted predictable health care costs. But the rules changed in 2020, and many beneficiaries are confused about whether Plan F is still available, who can buy it, and whether it makes financial sense compared with newer options such as Plan G. This guide breaks down exactly what the plan covers, who can still enroll, how premiums work, and how to compare quotes in your ZIP code without pressure or guesswork.

What AARP Medicare Supplement Plan F Covers

Plan F is the most comprehensive Medigap policy standardized by federal law. When you buy a Plan F policy, the insurance carrier pays the gaps left behind by Original Medicare, which means you face almost no out-of-pocket costs for covered services. Specifically, Plan F pays the Part A hospital deductible, the Part A coinsurance for hospital stays, the Part B deductible, the Part B coinsurance and copayments, the Part B excess charges, foreign travel emergency coverage, and the first three pints of blood each year. In practical terms, if you visit a doctor who accepts Medicare assignment or a hospital that bills Medicare, you typically pay nothing at the point of service.

That level of protection is why Plan F became so popular among beneficiaries who wanted budget certainty. You pay a monthly premium, and in exchange you avoid surprise bills for Medicare-covered services. The tradeoff is that Plan F premiums are generally higher than those for plans with more cost sharing, such as Plan G or Plan N. For people with frequent medical visits or ongoing specialist care, the higher premium can be offset by lower out-of-pocket spending. For healthier beneficiaries, the math often favors a lower-premium plan.

It is important to understand that Plan F is a Medigap policy, not a replacement for Original Medicare. You must remain enrolled in Medicare Part A and Part B to keep a Medigap policy active, and you must continue paying the Part B premium. Plan F does not cover prescription drugs, dental, vision, hearing aids, or long-term care. If you want drug coverage, you will need a separate Part D plan. The AARP name on the policy means the plan is endorsed by AARP and underwritten by a specific insurance carrier, but it is not a government plan and it is not affiliated with Medicare.

Why Plan F Is Closed to Newly Eligible Beneficiaries

Starting January 1, 2020, federal law changed the rules for Medigap plans that cover the Part B deductible. Plan F and Plan C both pay that deductible, so Congress decided that newly eligible Medicare beneficiaries could no longer buy those plans. The goal was to reduce overutilization of health care services by removing first-dollar coverage for new enrollees. If you turned 65 on or after January 1, 2020, you generally cannot buy Plan F, even if you have a qualifying health condition or want to pay a higher premium.

The restriction applies based on when you first became eligible for Medicare, not your current age. Someone who turned 65 in 2019 can still apply for Plan F today, while someone who turned 65 in 2021 cannot. There is no waiver for good health, and carriers cannot sell Plan F to newly eligible beneficiaries even if they wanted to. This rule applies to all Medigap carriers, including the AARP-endorsed plans, so the AARP Medicare Supplement Plan F is only available to people who were eligible for Medicare before January 1, 2020.

If you are unsure about your eligibility date, check your Medicare card or your Initial Enrollment Period notices. Your eligibility date is typically the first day of the month you turn 65, or the 25th month of disability benefits for people under 65. If you were already enrolled in Medicare before 2020 and later dropped your Plan F policy, you may still be able to reapply, but you may face medical underwriting in most states. That means the carrier can ask health questions and charge you more or decline coverage based on your medical history.

Who Can Still Enroll in AARP-Endorsed Plan F

The AARP Medicare Supplement Plan F is available to beneficiaries who were eligible for Medicare before January 1, 2020 and who meet the carrier's enrollment rules. In most states, if you are past your Medigap Open Enrollment Period, you will need to answer medical questions and go through underwriting. Some states have guaranteed issue rights that require carriers to sell you a Medigap policy regardless of health, but those rights are limited to specific situations such as losing employer coverage or moving out of a plan's service area.

There are a few exceptions worth knowing. If you have a guaranteed issue right under federal or state law, you may be able to buy Plan F even after the open enrollment window closes. Examples include losing group health coverage, your Medicare Advantage plan leaving the area, or your Medigap carrier going bankrupt. In those cases, you have a limited window (usually 63 days) to apply for a new policy without underwriting. You should confirm your specific rights with your state insurance department or a licensed agent before you apply.

Another exception applies to people who already have Plan F and want to switch carriers. You can usually apply for a new Plan F policy with a different carrier, but you will likely face medical underwriting unless you live in a state with continuous guaranteed issue rules. A handful of states, including Connecticut, Massachusetts, Maine, and New York, have more generous rules that allow residents to switch Medigap plans without answering health questions. If you live in one of those states, you may have more flexibility to shop for a lower premium.

Plan F vs. Plan G: Premiums and Out-of-Pocket Costs

Plan G has become the go-to alternative for people who are newly eligible for Medicare, and it is worth comparing directly with Plan F. The coverage is nearly identical, with one key difference: Plan G does not pay the Part B deductible. In 2026, the Part B deductible is $283 per year. That means with Plan G, you pay the first $283 of Medicare Part B covered services each year, and then the plan pays the rest. With Plan F, the plan pays that deductible for you.

The premium difference between Plan F and Plan G is often larger than the deductible itself. In many markets, Plan F premiums run 15 to 30 percent higher than Plan G premiums for the same applicant. If the annual premium difference is more than $283, you would save money with Plan G even after paying the deductible out of pocket. For example, if Plan F costs $200 per month and Plan G costs $150 per month, you would save $600 per year with Plan G, minus the $283 deductible, for a net savings of $317.

That math explains why most new Medigap shoppers choose Plan G. But Plan F can still make sense for people who already have it and value the simplicity of first-dollar coverage, or for people with high health care needs who prefer predictable costs. The right choice depends on your premium, your health, and your tolerance for paying small bills. A licensed agent can run a side-by-side comparison using your ZIP code and health profile, which is often the fastest way to see the real numbers.

Carrier Rate History and Premium Variability

One of the most common misconceptions about the AARP Medicare Supplement Plan F is that the AARP name guarantees a low rate. In reality, the AARP endorsement is a marketing partnership, and the actual insurance is provided by a private carrier, typically UnitedHealthcare. Premiums vary significantly by ZIP code, age, tobacco use, and household discount eligibility. Two neighbors on the same street can pay very different rates for the same Plan F coverage depending on when they enrolled and which discount programs they qualify for.

Rate history also matters. Medigap premiums tend to increase over time, and Plan F pools are closed to new, younger enrollees. That means the risk pool is aging, which can put upward pressure on premiums. Some carriers have requested larger rate increases on Plan F than on Plan G in recent years, though the pattern varies by state and carrier. If you are considering Plan F, ask the agent for the carrier's rate increase history over the past five to ten years so you can budget for future increases.

Household discounts are another factor. Many carriers offer a discount of 5 to 10 percent when two people in the same household enroll in a Medigap policy. Some carriers also offer discounts for paying annually, setting up automatic payments, or enrolling during your open enrollment period. These discounts can add up, but they are not always advertised. A licensed agent can tell you which discounts apply to your situation and how they affect the total premium.

For a broader look at how Medigap rules and rates are shifting, see our guide on Medicare Supplement updates for 2026, which covers changes that may affect your plan choice.

How to Get a No-Commitment Quote on Medigap Options

Comparing Medigap options does not have to be complicated, but it does require accurate information. The first step is to confirm your Medicare eligibility date and your Medigap Open Enrollment Period. Your open enrollment window lasts six months, starting the month you are 65 or older and enrolled in Part B. During that window, you have guaranteed issue rights, which means you can buy any Medigap policy without answering health questions. If you miss that window, you may face underwriting, so timing matters.

Once you know your eligibility, gather your basic information: your ZIP code, date of birth, tobacco use, and the names of any prescriptions you take. Then request quotes from multiple carriers. You can do this through a licensed agent or an online comparison tool. The goal is to compare the same plan letter across carriers, since Plan F benefits are standardized by law. The only differences are premium, carrier reputation, and customer service.

Here is a simple process to follow:

1. Confirm your Medicare eligibility date and whether you can still buy Plan F.
2. Decide whether Plan F or Plan G fits your budget and health needs better.
3. Request quotes from at least three carriers in your ZIP code.
4. Ask about household discounts, rate increase history, and renewal rules.
5. Review the policy outline of coverage before you apply.

After you have quotes in hand, read the outline of coverage carefully. It explains what the plan pays, what it does not pay, and how the carrier handles claims. If you have questions, ask the agent to walk you through a sample scenario, such as a hospital stay or a specialist visit. That conversation can reveal differences in service quality that are not obvious from the premium alone.

For additional tools and educational resources on comparing policies, you can visit InsuranceShopping, which offers guides and comparison resources for consumers shopping for health and Medicare coverage.

Common Mistakes to Avoid

One common mistake is assuming that the AARP name means the plan is government-sponsored. It is not. AARP Medicare Supplement Plan F is a private insurance product endorsed by AARP and underwritten by a private carrier. Another mistake is buying Plan F without checking whether you are eligible. If you turned 65 after January 1, 2020, you cannot buy Plan F, and no agent can change that rule. Applying anyway will waste time and may create confusion about your coverage.

A third mistake is choosing a plan based only on the premium. The lowest premium is not always the best value if the carrier has a history of large rate increases or poor customer service. Check the carrier's financial strength rating and complaint history through your state insurance department. You should also confirm that the plan is guaranteed renewable, which means the carrier cannot cancel your policy as long as you pay your premiums. All standardized Medigap plans are guaranteed renewable, but it is still worth verifying.

Finally, do not overlook the interaction between Medigap and Part D. Plan F does not cover prescription drugs, so you will need a separate Part D plan. If you skip Part D and later enroll, you may face a late enrollment penalty. Coordinate your Medigap and Part D choices so you have complete coverage without paying for overlapping benefits. A licensed agent can help you map out the total cost of coverage, not just the Medigap premium.

Understanding the aarp medicare supplement plan f is easier when you separate the marketing from the mechanics. The plan offers excellent coverage for people who can still buy it, but it is closed to newly eligible beneficiaries and often costs more than Plan G. If you are eligible, compare premiums carefully and ask about rate history. If you are not eligible, focus on Plan G or other Medigap options that fit your budget. Either way, getting a no-commitment quote is a low-risk way to see what is available in your area and make an informed decision.