Medicare eligibility, enrollment & coverage in Wisconsin

Turning 65, working past 65 and reviewing a Medicare plan each involve different deadlines. Start with your situation, then compare how each option handles your doctors, prescriptions and costs.

Who is eligible for Medicare?

Most people first qualify at 65 if they meet citizenship or residency requirements. Some qualify earlier through disability, ALS or end-stage renal disease. The timing varies by circumstance. Social Security can confirm your eligibility and start date.

If you already receive Social Security benefits, check your Medicare notice for automatic enrollment. If you have delayed retirement benefits, you may need to apply. Find your enrollment steps on Medicare.gov.

What do Parts A, B, C and D cover?

Part A helps pay for inpatient care. It includes hospital admissions and qualifying skilled nursing, hospice and home health care.

Part B helps pay for medical and outpatient care. Think doctor visits, outpatient procedures, certain preventive services and equipment such as walkers. Part B generally has a monthly premium. With Original Medicare, many services also have a deductible and then 20% coinsurance on the Medicare-approved amount.

Part C is Medicare Advantage. You need Parts A and B to join. A Medicare-approved private plan delivers those benefits and usually includes drug coverage. Check its network, prior authorization rules and annual limit for covered medical costs.

Part D helps pay for prescriptions. With Original Medicare you can choose a separate drug plan. Compare each medication, dose and pharmacy against the plan’s covered drug list. Check current Medicare premiums and deductibles.

Which enrollment deadline applies to me?

Turning 65: Your initial enrollment window generally includes the three months before your birthday month, your birthday month and the next three months. For example, an August 18 birthday generally means May 1 through November 30. First-of-the-month birthdays have different timing. Apply early if you want Part B in place when you first qualify.

Reviewing a health or drug plan: October 15 through December 7 is the annual window for Medicare Advantage and Part D changes, generally effective January 1.

Already in Medicare Advantage: January 1 through March 31 generally allows one switch to another Advantage plan or a return to Original Medicare with the option to join a drug plan.

Missed Part B enrollment: First check for a Special Enrollment Period. Otherwise, general enrollment runs January 1 through March 31. Coverage generally starts the next month, and a late penalty may apply. Check your Part B timing.

Original Medicare, Wisconsin supplements and Medicare Advantage

If you want to keep seeing a specialist in another city, start by asking whether they accept Original Medicare and whether they participate in each Advantage plan you are considering. A familiar insurer name alone cannot answer that question.

With Original Medicare, you may buy a Medicare supplement (Medigap) to help with your share of medical bills and a separate Part D plan for prescriptions. Wisconsin has its own supplement structure, including a basic policy with optional riders. With Medicare Advantage, compare the specific plan’s provider network, drug coverage and medical out-of-pocket limit.

Read Wisconsin’s Guide to Health Insurance for People with Medicare (PDF).

Common Medicare questions

Ask the employer benefits office which coverage pays first and whether coverage through your or your spouse’s current employment qualifies you to delay Part B. Employer size and coverage type matter. If you qualify for the job-based special enrollment period, you generally have eight months after employment or coverage ends, whichever happens first, to enroll. Arrange your start date before the employer plan ends if you need uninterrupted coverage.

COBRA does not restart the eight-month period tied to current employment. Before electing COBRA or relying on retiree coverage, confirm the dates with Social Security and ask the benefits office how claims will be paid.

Your federal six-month Medigap open enrollment period begins the first month you are both 65 or older and enrolled in Part B. Later applications can be subject to health questions unless you have a guaranteed-issue right. Check those rights before leaving existing coverage.

Give the plan the exact clinic location and your doctor’s name, then confirm participation with the clinic. For prescriptions, compare the exact drug, dose and quantity at your chosen pharmacy. Keep a copy of the plan’s answer and the date you checked.

Fall open enrollment is for health and drug plan choices. For first-time Part B enrollment, check your initial or special enrollment period with Social Security. If neither applies, ask about general enrollment.

Prepare for your Medicare review

Bring your Medicare start dates if known, the end date of any job-based coverage, your doctors’ names, and your medications with doses and preferred pharmacy. We can use those details to compare options available where you live.

Compare plans on Medicare.gov.