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In Delaware, Original Medicare is the most popular Medicare coverage option. It's the choice of 68% of all enrolled beneficiaries. The remaining 32% of enrollees depend on a Medicare Advantage plan.
Most Delaware residents become eligible for Medicare when they turn 65, although people with certain disabilities or medical conditions may qualify earlier. Your Initial Enrollment Period starts three months before the month you turn 65, includes your birthday month, and ends three months later. If you're already receiving Social Security benefits, you may be automatically enrolled in Medicare Parts A and B.
Delaware residents who continue working past age 65 may choose to delay Medicare Part B enrollment. As long as they maintain qualifying coverage through their own or their spouse's employer, they won't pay a late enrollment penalty. If you lose your employer-sponsored coverage, it activates an eight-month Special Enrollment Period to provide an opportunity to sign up for Part B.
Medicare eligibility in Delaware follows the same nationwide rules as everywhere else in the country. You qualify for Medicare as a US citizen if you meet one of these criteria:
Delaware's Medicare birthday rule enables residents who already have a Medicare Supplement (Medigap) plan to switch to another plan with the same or fewer benefits with guaranteed acceptance. The rule took effect on January 1, 2026. Each year, residents have a window around their birthday to change plans, starting 30 days before their birthday and continuing for 30 days after. During this time, insurance companies cannot deny coverage or charge higher premiums based on your health history. Residents can also choose to switch to a plan with a different insurance company.
Relocating into or out of Delaware might make you eligible for a Special Enrollment Period to adjust your Medigap, Medicare Advantage, or prescription drug plan. This window opens if your relocation moves you outside your current plan's service area or unlocks new plan options. Typically, this enrollment window spans three months starting from the month you move. Informing your insurance provider prior to moving extends this window, allowing it to begin the month before your relocation.
Standard dental, vision, and hearing care are excluded from Original Medicare benefits. However, many Medicare Advantage plans include coverage for these specialties as an extra benefit. Delaware beneficiaries should review policy terms carefully to verify covered services and potential out-of-pocket expenses.
Medicare Supplement insurance policies, commonly called Medigap plans, are offered by private companies to help cover out-of-pocket costs associated with Original Medicare. Federal regulations standardize Medigap offerings into lettered plans, where each letter signifies a specific set of benefits. The best time for people to apply for a Medigap policy is during their six-month Medigap Open Enrollment Period, which begins the first month they’re both 65 or older and have Part B. Outside of this period, without a guaranteed issue right, insurance carriers can charge them more or deny their application based on their health history.