Minnesota also prohibits Medigap insurers from basing premiums on an enrollee’s age. Premiums for Medigap plans in Minnesota only vary based on tobacco use and where the enrollee lives. These rating rules also apply to people who are eligible for Medicare before the age of 65, which is somewhat unusual; most of the states that have guaranteed access to Medigap for under-65 enrollees do allow the insurers to charge those enrollees higher premiums.
Minnesota law prevents Medigap insurers from imposing pre-existing condition waiting periods if the enrollee signs up during their initial six-month open enrollment window. For those who apply after that, Medigap insurers are not allowed to impose pre-existing condition waiting periods if the enrollee wasn’t diagnosed or treated for the condition in the 90 days prior to enrolling in the Medigap plan.
The state was the first to participate in a demonstration program to pilot Medicare Cost plans in the 1970s, and the plans have remained popular over the decades. They didn’t catch on in many other states, however, and Medicare + Choice came on the national scene in the 1990s, replaced by Medicare Advantage in 2003 (there are still Medicare Cost plans in Arizona, California, Colorado, District of Columbia, Florida, Iowa, Maryland, North Dakota, Nebraska, New York, South Dakota, Texas, Virginia, and Wisconsin, but their total enrollment was only about a third of the 625,072 people who had Medicare Cost plans in 2018 — the other two-thirds were in Minnesota).
Original Medicare does not limit out-of-pocket costs, so most enrollees maintain some form of supplemental coverage. Nationwide, more than half of Original Medicare beneficiaries get their supplemental coverage through an employer-sponsored plan or Medicaid. But for those who don’t, Medigap plans (also known as Medicare supplement plans, or MedSupp) will pay some or all of the out-of-pocket costs they would otherwise have to pay if they had only Original Medicare.

People who aren’t yet 65 can enroll in Medicare if they’re disabled and have been receiving disability benefits for at least two years, and 13 percent of Minnesota Medicare beneficiaries are under age 65. Federal rules do not guarantee access to Medigap plans for people who are under 65, but the majority of the states — including Minnesota — have implemented rules to ensure that disabled Medicare beneficiaries have at least some access to Medigap plans. Minnesota law grants a six-month open enrollment period to anyone who enrolls in Medicare Part B, regardless of age (federal rules only grant this window to people who enroll in Part B and are also at least 65 years old).


As an alternative to obtaining Original Medicare coverage directly from the government, you may want to consider Medicare Advantage (sometimes referred to as Medicare Part C) in Minnesota. Medicare Advantage plans are offered by private insurance companies that contract with CMS to provide all Original Medicare benefits except hospice care, which is paid by Medicare Part A. Many Medicare Advantage plans also include extra benefits such as routine dental and vision care.
Minnesota also prohibits Medigap insurers from basing premiums on an enrollee’s age. Premiums for Medigap plans in Minnesota only vary based on tobacco use and where the enrollee lives. These rating rules also apply to people who are eligible for Medicare before the age of 65, which is somewhat unusual; most of the states that have guaranteed access to Medigap for under-65 enrollees do allow the insurers to charge those enrollees higher premiums.
A “Welcome to Medicare” packet is mailed out a few months before you turn 65. If you are not yet 65 but receive disability benefits from the Social Security Administration, or receive certain disability benefits from the Railroad Retirement Board, then you become eligible for Medicare as soon as you enter into the 25th straight month of receiving those benefits.
You’re eligible for Medicare if you’re age 65 or older, receiving disability benefits, or have certain conditions, like end-stage renal disease or amyotrophic lateral sclerosis (Lou Gehrig’s disease). You must be either a United States citizen or a legal permanent resident of at least five years. In some instances, you may not have to take any action in order to enroll. This may happen if you’re turning 65 and already receive Social Security benefits or Railroad Retirement Board benefits.
Minnesota is one of just three states in the country (Massachusetts and Wisconsin are the others) that offers its own version of Medicare Supplement insurance. Minnesota has two plans available: the Minnesota Basic Plan and the Minnesota Extended Basic Plan. In  most other states, up to 10 types of standardized plans are available. Medicare Supplement plans are also known as Medigap policies and may help pay Original Medicare out-of-pocket costs, such as copayments and deductibles.

Most Americans become eligible for Medicare when they turn 65. But younger Americans gain Medicare eligibility after they have been receiving disability benefits for 24 months, or have ALS or end-stage renal disease. Thirteen percent of Minnesota’s Medicare beneficiaries were under age 65 as of 2017, versus 16 percent nationwide. On the high and low ends of the spectrum, 23 percent of Medicare beneficiaries in Alabama, Kentucky, and Mississippi are under 65, while just 9 percent of Hawaii’s Medicare beneficiaries are eligible due to disability. 
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