Don’t Pick a Medicare Plan Without Watching This First
Don’t Pick a Medicare Plan Without Watching This First
The decision between Medicare Supplement and Medicare Advantage is one most people make without fully understanding what they’re choosing
When you enroll in Medicare Parts A and B, you’re not done. You still have a significant decision in front of you: how are you going to fill the gaps? Original Medicare alone leaves you with a 20% coinsurance on Part B with no out-of-pocket maximum and no prescription drug coverage. The question is what to add — and that choice has real long-term consequences.
The Two Main Paths
You broadly have two ways to build your coverage. The first is Medicare Supplement (Medigap) — you keep Original Medicare, add a standardized supplement plan, and add a standalone Part D drug plan. The second is Medicare Advantage (Part C) — you replace Original Medicare with a private insurance plan that bundles everything together.
“$0 premium is a monthly cash flow number. It is not a total cost number. The difference matters enormously if you actually get sick.”
The Network Problem With Medicare Advantage
Medicare Advantage plans operate within networks. Your doctors, specialists, and hospitals must be in the plan’s network for in-network rates. Networks change year to year, and if you travel or spend part of the year in a different state, your in-network options may be very limited. Original Medicare with a Medigap plan has none of these limitations.
The Switching Problem Nobody Warns You About
When you first enroll in Medicare at 65, you have a six-month Medigap Open Enrollment Period. During this window, you can buy any Medigap plan with no medical underwriting. This window exists once and does not repeat. After it closes, switching from Advantage back to Medigap requires medical underwriting in most states.
The Decision That Can Lock You In
- Your Medigap Open Enrollment Period is 6 months starting when you turn 65 and enroll in Part B — it happens once
- During this window you cannot be denied or charged more based on health history
- After this window, switching from Advantage to Medigap requires medical underwriting in most states
- A serious diagnosis after enrollment in Advantage may make switching to Medigap impossible or unaffordable
Before You Choose — Ask These Questions
Before You Choose — Ask These Questions
- Are my current doctors and specialists in the Advantage plan’s network — and will they stay there?
- Do I travel or spend time in another state where in-network access would be limited?
- What is the plan’s annual out-of-pocket maximum, and could I absorb that in a bad year?
- Am I in my initial enrollment window? If so, can I lock in Medigap before that window closes?
- Have I compared total annual costs — not just monthly premiums — under both options?
Let’s Make Sure You Get This Right
Sean Matteson · Licensed Insurance Agent · Medicare SpecialistThis content is for educational purposes only and is not individualized insurance or financial advice. Medicare plan availability, costs, and rules vary by location and change annually. Visit medicare.gov for current information.