Medicare Options & Changes

Medicare provides health insurance coverage to millions of Americans, but the program has expanded far beyond its original structure. Today, you have multiple pathways to receive your benefits—each with different costs, networks, and coverage features. Understanding your options ensures you get the coverage you need without overpaying or facing unexpected gaps.

The landscape of Medicare continues to evolve. Recent years have brought changes to prescription drug costs, plan availability, and enrollment opportunities. Whether you're approaching eligibility or already enrolled, staying informed helps you make decisions that align with your health needs and financial situation.

This guide walks you through the core Medicare options, the key differences between them, and what's changing for 2026 so you can evaluate what works best for your circumstances.

The Four Parts of Medicare: Understanding Your Building Blocks

Medicare consists of four parts. Part A covers hospital-related services including inpatient hospital stays, home health care, and skilled nursing facility care. Part B covers everyday medical needs including doctor visits, medical tests, X-rays, medical supplies, and long-term preventive care. Together, Medicare Parts A and B are called Original Medicare.

Part C is also known as Medicare Advantage and is offered by private health insurance companies. When you join a Medicare Advantage plan, you still have Medicare, but the plan covers and pays for your services instead of Original Medicare, while providing the same coverage as Original Medicare.

Part D covers prescription drugs through private insurance plans only, and is usually included in a Medicare Advantage plan or available as a separate plan alongside Original Medicare. Part A and Part B of Medicare do not cover prescription drugs, dental, vision, or hearing.

Original Medicare: The Government-Run Foundation

Original Medicare is the federal government's basic program for hospital and medical coverage. Original Medicare covers inpatient hospital care, doctors' services and tests, and preventive services. It gives you broad provider choice—you can see any doctor or facility that accepts Medicare anywhere in the country without needing referrals.

However, Original Medicare has important gaps. Original Medicare covers the essentials, but there are a lot of services that aren't included—important things like prescription drug coverage, annual hearing and routine eye exams, care needed when traveling outside the United States and much more. You also remain responsible for cost-sharing: deductibles, coinsurance, and copayments. Most significantly, with Medicare, there's no limit on what you spend out of pocket.

Because of these gaps, most Original Medicare enrollees add supplemental or drug coverage. Your choice becomes whether to use a Medigap supplemental plan plus a separate Part D prescription drug plan, or switch to a Medicare Advantage plan that bundles benefits together.

Medicare Advantage: The All-in-One Private Alternative

Medicare Advantage plans are offered by private health insurance companies and cover and pay for your services instead of Original Medicare. These plans must provide the same coverage as Original Medicare, but they can also offer extra benefits. Medicare Advantage plans can offer extra benefits such as routine dental care, routine vision care, and routine hearing care.

Medicare Advantage restructures how you receive care. Medicare Advantage plans often have provider networks, meaning you may need to use doctors, hospitals, and specialists who are in the plan's network for the lowest out-of-pocket costs. You typically select a primary care doctor, and many plans require referrals to see specialists. With Medicare Advantage, you typically need to use a provider network.

The appeal is often simpler, bundled coverage. Medicare Advantage plans include Part A and Part B coverage, and some include Part D prescription drug coverage as well. If you choose Medicare Advantage, you may have low or no premiums beyond your monthly Part B premiums. Many plans offer attractive upfront costs and integrated drug coverage, making budgeting more straightforward.

Medigap: Supplemental Coverage for Original Medicare

While Medicare Advantage is an alternative way to get your Medicare benefits, Medigap is purely supplemental and its purpose is to bridge the "gaps" in your original Medicare coverage. A Medicare Supplement plan, also called Medigap, is secondary insurance—it's extra coverage you can buy to complement your Medicare Part A and Part B coverage.

Medigap is secondary insurance you can buy to complement your Medicare Part A and Part B coverage and helps pay out-of-pocket expenses Original Medicare doesn't pay, like deductibles and copays. Policies are standardized, and in most states named by letters, like Plan G or Plan K, with the benefits in each lettered plan being the same no matter which insurance company sells it.

The primary advantage of Medigap is flexibility: If you choose original Medicare, you can use any doctor and facility that accepts Medicare, but you'll have to buy separate Medigap and Part D drug coverage to fill in the gaps. You can't sign up for both Medicare Advantage and Medigap types of coverage at once. This means you must choose one path: Original Medicare with Medigap, or Medicare Advantage alone.

Prescription Drug Coverage: Part D Explained

Each Medicare Part D plan uses a list of approved drugs to decide what's covered, called a drug formulary, which may differ from plan to plan. Drug coverage isn't automatic—you must actively enroll in a Part D plan either as part of a Medicare Advantage plan or as a standalone plan alongside Original Medicare.

A significant change in drug affordability is underway. People with Part D plans can utilize an automatic prescription payment plan that spreads out drug costs over the year, and people who currently have this plan will be automatically re-enrolled for 2026 unless they opt out. This feature makes managing prescription expenses more manageable for those with ongoing medication needs.

Despite price reductions overall, some Medicare recipients could still pay more for prescription drugs, as the reduction in options and changes to covered medications could result in higher costs for consumers of certain specialty medications. Reviewing your specific medications and which plans cover them is essential during enrollment.

Key Medicare Changes for 2026

📋 Coverage and Enrollment Updates

Medicare enrollees have the opportunity to change their current health and prescription drug coverage during the Medicare OEP beginning October 15. It's particularly important for enrollees in Medicare Advantage and Prescription Drug Plans to review their coverage options each year as plans can change their cost-sharing, provider networks, and drug formularies from year to year.

The average beneficiary has 39 options in 2026, compared to 42 options in 2025, and in 35 states, DC and Puerto Rico, the average beneficiary has a choice of fewer plans on average in 2026 than in 2025. Some regions are experiencing fewer available plans, which may limit choices for certain beneficiaries.

💊 Drug Cost Supports

Automatic re-enrollment for Part D participants continues, reducing the burden of active enrollment decisions. The Medicare Prescription Payment Plan enables those with Medicare prescription drug coverage to spread the costs of their prescription drugs over the calendar year, and in 2026, those who participate will be automatically re-enrolled the following year unless they opt out.

Prescription drug negotiations are expanding as well. A list of 15 additional high-cost drugs to be negotiated will be announced by February 1, with the 15 price reductions negotiated in 2025 becoming effective January 1, 2027.

Comparing Your Options: A Quick Reference Table

How to Evaluate and Choose Your Plan

🔍 Key Considerations

• Your medications: Check whether your current prescriptions are on each plan's formulary and at what cost tier.
• Your doctors and hospitals: Verify that your preferred providers are in the Medicare Advantage network, or confirm that Original Medicare with Medigap suits your provider preferences.
• Your travel patterns: Original Medicare and Medigap provide nationwide coverage; Medicare Advantage is typically limited to its service area.
• Out-of-pocket budget: Medicare Advantage has a defined annual out-of-pocket maximum. Original Medicare with Medigap provides predictability based on your plan choice, but no federal limit exists.
• Desire for extra benefits: If dental, vision, or hearing coverage matters to you, Medicare Advantage may offer these; Medigap does not.

Enrollment Timing and Special Periods

Missing enrollment deadlines can have lasting consequences. You can make an appointment with a State Health Insurance Program counselor for free assistance, or coverage changes can be made at Medicare.gov or by calling 1-800-MEDICARE. The Centers for Medicare and Medicaid Services offers an online tool called the "Medicare Plan Finder" for comparing Medicare Advantage and Part D Prescription Drug Plan options.

An estimated 70% of Medicare recipients do not currently compare plan options, and experts say it is important for Medicare recipients to research options and study different plans during the open enrollment period to see what is best for them financially as well as which medical services are covered. Taking time to review your options could save you significantly.

Your choices during the annual open enrollment period are your best opportunity to switch plans without delay. Special enrollment periods may apply if you experience qualifying life events like moving or losing other health coverage, but those windows are typically shorter and more limited.

Moving Forward: Making an Informed Decision

Medicare's structure offers flexibility, but that flexibility requires informed decision-making. Because plans can change annually, it is a good idea to review your plan to ensure it is working well for you and make adjustments if not to ensure you are satisfied with your coverage. Your health needs, financial situation, and provider preferences may all influence which path is best.

Whether you choose the broad provider flexibility of Original Medicare with Medigap or the integrated benefits and defined costs of Medicare Advantage, the key is to actively review your options each year and select coverage that matches your current circumstances. Use the Plan Finder tool, speak with a SHIP counselor, and take time to compare—the effort you invest now can protect your health and finances throughout your retirement.