Medicare Part D is optional prescription drug coverage. If you have Original Medicare, you can get this coverage through a Medicare Prescription Drug Plan, offered through private Medicare-approved insurance companies. These plans offer stand-alone prescription drug coverage that work alongside Original Medicare, Part A and Part B. A Medicare Advantage Prescription Drug plan also provides the Medicare Part D benefit, covering all Medicare benefits under a single plan.
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.
On September 12, 2013, the Centers for Medicare & Medicaid Services (CMS) announced a new partnership with the State of Minnesota to test new ways of improving care for Medicare-Medicaid enrollees. Building on the state's Minnesota Senior Health Options (MSHO) program, CMS and Minnesota will work together to improve the beneficiary experience in health plans that maintain contracts with both CMS as Medicare Advantage Special Needs Plans and with the state to deliver Medicaid services.   
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.

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.
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).
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.
A Medicare Part D Prescription Drug Plan (PDP) can help pay your prescription drug costs. Designed to work alongside Original Medicare coverage, Medicare Prescription Drug Plans are available from private insurance companies approved by Medicare and doing business in Minnesota. You can also enroll in a Medicare Prescription Drug Plan if you enroll in a Medicare Advantage plan that does not include Part D prescription drug coverage in its benefits.
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