Medicare decisions are easier when you separate the roles of each option. Original Medicare, Part A for hospital care and Part B for outpatient services, sets the foundation.
From there, people typically choose either a Medicare Advantage plan or Original Medicare paired with a Medigap supplement plan and, often, a standalone Part D prescription drug plan. These paths can look similar on a mailer, but they handle provider access, costs, and coverage very differently.
- Medicare Select: A Medigap policy with hospital network requirements for full non-emergency inpatient benefits.
- Medicare Advantage: Private plans that bundle Part A and Part B, often with drug coverage and provider networks.
- Part D: Prescription drug coverage that requires a close look at formularies, pharmacies, premiums, and deductibles.
Medicare Select is a type of Medigap policy, not a Medicare Advantage plan. It helps pay certain out-of-pocket costs left by Original Medicare, such as deductibles and coinsurance. Its tradeoff is a network requirement for non-emergency inpatient hospital services: to receive full benefits, you generally use the Select plan’s participating hospitals.
You can still see any doctor or other providers who accept Medicare, and emergency care is covered regardless of network location. For someone who values Original Medicare’s broad physician access but is comfortable using designated local hospitals, Select may offer a lower-premium supplement plan option.
Medicare Advantage plans bundle Part A and Part B coverage through private insurers approved by the federal government. Many plans include Part D drug coverage and may add dental, vision, hearing, or fitness benefits.
In exchange, they commonly use provider networks, prior authorization rules, copays, and annual plan-specific limits. Before enrolling, verify that your doctors, preferred hospital system, pharmacies, and medications are included, not just this year, but in a way that fits your likely care needs.
Part D deserves its own review whether you choose Medicare Advantage or a Medigap policy. Formularies, pharmacy networks, deductibles, and monthly premiums vary widely.
The official Medicare.gov plan finder is a useful starting point, but a careful comparison of your actual prescriptions and local pharmacies is where the practical differences emerge. The best choice is rarely the plan with the lowest advertised premium; it is the one whose coverage rules and costs match how you receive care.