Real questions from real calls : and the reasoning behind the answers.
“Prior authorization” isn’t usually the phrase someone opens with. What they bring up is the fear underneath it — the idea that a plan could say no to something a doctor already decided you need. Then, somewhere in the call, the actual question comes out: what Medicare plans require prior authorization, and could this happen to me?
The plain shape of the answer is that prior authorization is real, it applies to some plan types and not others, and it’s one of the most consequential trade-offs in the whole Medicare decision — more consequential, most weeks, than the premium people fixate on first.
One man described a fight from years back that he still remembered in detail, down to how often it had to be renewed:
with my Crohn’s, I had to be on Humira. This was in 2008… my gastro wanted me on it every week because my Crohn’s was very bad, and he had to fight with them to make it every week.
That’s what prior authorization looks like from the inside. Not a form. A doctor spending time and effort convincing an insurer to keep doing what he already knew was right.
Grab a time and I will tell you straight which path fits : and which does not.
Use the ZIP-code plan search. Availability changes by county, not by article.
What do I ask before I can tell you which way to go?
When someone calls me worried about prior authorization, I don’t start by explaining Medicare Advantage versus Original Medicare in the abstract. I start by asking about them, because whether any of this actually affects you depends entirely on what “this” would be used for.
- What are you being treated for right now, and what’s likely coming next? Not a diagnosis to write down — just the shape of it. A surgery already scheduled changes my answer completely from someone who hasn’t seen a doctor in three years.
- What prescriptions are you on, and are any of them specialty or biologic drugs? Most generic pills move through a plan’s drug list without friction. It’s the infused or self-injected specialty medications that tend to draw the most authorization paperwork, on any plan type.
- Are you attached to one specialist, or are you flexible on doctors? Prior authorization and network rules travel together. Someone with a single cardiologist they trust and won’t see anyone else is a different conversation than someone who’s indifferent.
- Is there anything scheduled, or likely, in the next year or two? A procedure someone is trying to put off, a biologic a specialist wants to start, a test that’s already been ordered — this is the single biggest factor in which direction I lean, and I’ll get to why.
- How much fight do you have in you if something gets denied the first time? Some people want to know their doctor can make one phone call and it gets handled. Others don’t want to think about paperwork at all, ever, and that’s a completely legitimate thing to want.
That last question matters more than people expect. One woman put it about as plainly as I’ve heard anyone put it:
That’s the thing I want. I don’t want headaches. I can’t. I don’t need headaches. I don’t like stress, so I don’t want to be stressing over if this is good, if I have to have this or not have that, or if they’re going to pay or if they’re not going to pay.
That single answer told me more about which plan type fit her than her health history did.
Which Medicare plans actually require prior authorization?
Here’s the direct answer, because it deserves one. Original Medicare, on its own, essentially never requires prior authorization for the kind of care most people picture — a specialist visit, a scan, a hospital stay your doctor ordered. Medicare Advantage plans use prior authorization routinely, as one of the tools they use to manage cost and steer care through a network. A standalone Part D drug plan uses a related idea — step therapy — which can require trying a lower-cost drug first before the plan approves a pricier one.
In practice, the calls I have about this settle into two paths.
Path one — a Medicare Advantage plan. Part A, Part B, and usually drug coverage bundled together, often at a low or zero premium, frequently with dental, vision, hearing, and other extras layered in. The trade is that the plan manages your care: a defined network, and for a real slice of services — imaging, certain procedures, some medications — the plan’s sign-off before it happens. Most requests get approved. The ones that don’t are the ones people remember for years, the way the man above still remembers 2008.
Path two — Original Medicare plus a Supplement. A monthly premium on top of Part B, and in exchange, something close to a blank check on which providers you can see anywhere in the country that accepts Medicare, with no prior authorization standing between your doctor’s decision and your care, for the services Medicare covers.
Neither path is the “safe” one and neither is the “risky” one. They’re two different ways of handling the same underlying uncertainty — one bundles the cost into a monthly premium and hands you flexibility, the other keeps the premium lower and asks you to accept a network and, sometimes, a wait for a yes.
- 1What are you treated for now?Shapes whether prior auth is even likely to come up
- 2Specialty or biologic drugs?These draw the most authorization requests
- 3Attached to one specialist?Prior auth and network rules travel together
- 4Anything scheduled next year?The single biggest factor in which way I lean
- 5How much fight do you have?Some never want to think about paperwork again
Why do I lean toward avoiding prior authorization when I can?
If someone is genuinely undecided, I lean toward Original Medicare plus a Supplement, and I want to explain the reasoning rather than just hand over the recommendation.
Prior authorization isn’t inherently unfair. Most requests, most of the time, get approved without drama. What it changes is the shape of a bad day. On a Supplement, if your doctor orders something, it happens. On a plan that requires prior authorization, it happens after the plan agrees — and that agreement can take time you don’t have, or come back as a denial that has to be appealed. For routine care, that difference rarely shows up. For a serious diagnosis, it can show up at exactly the moment you have the least patience for it.
That’s what the Humira fight from earlier was really about. It wasn’t a lifestyle inconvenience — it was what a specialist believed a patient needed, on a weekly basis, and it took real, repeated effort to keep that approved. That’s not a rare event. That’s what “managed care” means when the thing being managed is you.
There’s a second piece to this, and it’s about the gaps hiding inside a decision that looks settled. One client put it well when thinking through her own coverage:
you’ve got to make sure you select the right set of benefits because you don’t want to be overlooking things like selecting part D or whatever else it is or supplemental because there are some gaps there
The cost of being wrong runs in one direction more than the other. Pick a Supplement and stay healthy, and you’ve paid a premium for peace of mind you didn’t end up using — a bounded, known cost. Pick a plan with prior authorization and end up needing more care than expected, and the paperwork lands during the stretch when you have the least room for it.
See where you land. If you would rather just talk it through with someone who does this every day, Most people can sort the direction quickly once the doctors, drugs, budget, and timing are on the table.
When would I actually tell you to pick a plan with prior authorization?
I’d be doing this piece a disservice if I only argued one direction. Here’s where I’d point someone toward a Medicare Advantage plan without hesitating — prior authorization included.
When the Supplement premium genuinely doesn’t fit the budget. That premium is real money every month, on top of Part B. If paying it means going without something else that matters, a zero-premium Advantage plan isn’t a compromise — it’s the right call. Coverage you can actually afford beats coverage you can’t.
When you’re healthy, a low utilizer of care, and not attached to specific specialists. If you see a doctor once a year, take a short and stable list of medications, and you’re genuinely flexible on who you see, the odds that prior authorization ever touches your care in a given year are low. A Medicare Advantage plan with dental, vision, hearing, and other extras built in starts to look like the smarter use of your money.
When you qualify for both Medicare and Medicaid. That changes the math in ways a simple cost comparison doesn’t capture, and it deserves its own conversation rather than a blanket rule here.
When your specialists are already inside the network you’d be joining. The biggest objection to an Advantage plan evaporates if the people you already see and trust are already in it and you have no plans to move.
None of those are edge cases. Put together, they probably describe more people reading this than the Supplement path does. The point was never that one plan type beats the other — it’s that the right answer depends on what I ask you first, not on which one I happen to prefer in the abstract.
What surprises people about denials and appeals?
The thing that surprises people most isn’t that prior authorization exists — by the time they call me, most expect that. It’s what happens on the other side of a denial.
A denial is not usually the end of the conversation. Plans are required to have a documented appeals process, and denials do get reversed on appeal, especially when a doctor’s office is willing to submit more records or push back directly. The paperwork is real. The wait can be real. But “denied” and “final” are not the same word, and I try to make sure people understand that difference before they assume the worst.
The second surprise is how much of this shows up in the drug plan rather than the medical side. People picture prior authorization attached to a hospital stay or a surgery. Just as often, it shows up at the pharmacy counter — a specialty or biologic drug that isn’t on a plan’s preferred list, or a step therapy rule that asks you to try something cheaper first. That’s worth checking against your actual prescriptions before you enroll, not after.
The third surprise, and the one I think matters most, is that coverage for the expensive event nobody plans for depends heavily on a choice made long before anyone knew it would matter. One man asked me directly what would happen to him under a Medicare Advantage plan if he were diagnosed with something serious:
if I were to come down with cancer, I wouldn’t want to go around here to this place. They don’t have what it takes. I think I’d be bound by it, wouldn’t I?
The direct answer is that under most Advantage plans, yes — he’d be working within that plan’s network and its authorization rules for that treatment. Under a Supplement, he wouldn’t be. That’s not a reason to avoid Advantage plans; plenty of people do very well on them. It’s a reason to have this conversation before the diagnosis, not after.
Even inside a single serious event, there can be gaps most people don’t expect. One person, describing what they’d learned about an add-on cancer benefit, put it this way:
you’re going to take care of the chemo and everything for you. But it won’t pay for experimental, and it wouldn’t pay for travel expenses or time off work
That’s true of certain supplemental riders regardless of which base plan sits underneath them — worth knowing before you’re relying on one, not while you’re relying on one.
What should you do about this before you enroll?
None of this is a reason to be afraid of Medicare Advantage, and none of it is a reason to assume a Supplement is automatically the right call. It’s a reason to have this conversation before you enroll, instead of after a denial teaches it to you.
On a call, I’ll ask about your doctors, your medications, what’s realistically coming in the next year or two, and how much you want to think about any of this again once you’ve signed up. From there I can tell you plainly which plans in your area handle prior authorization well, which drug plans actually cover what you’re taking, and which path fits how you actually want to live with this decision.
Book a free call or call (270) 721-5069. No cost, no obligation — and I’ll tell you plainly if prior authorization is something you need to worry about at all.
Which side of that line are you on?
That is exactly the question a short Medicare conversation settles. You get me, not a call center.
Ready to find out where you actually stand?
I am an independent broker. I work with multiple carriers, which means I do not have a plan I need to sell you. What I have is a set of questions, and about fifteen minutes to find out which path fits.
Schedule a Medicare call
Pick a time. Bring your medications and doctors. That is the homework.
Read the 64+ Medicare guide
A calmer way to understand the moving pieces before you choose.
Call or text me directly at (270) 721-5069.
Questions people ask me about this
What Medicare plans require prior authorization?
Original Medicare rarely requires prior authorization for the routine care your doctor orders. Medicare Advantage plans use prior authorization regularly, as one of the tools they use to manage a network and control cost. A standalone Part D plan uses a related idea called step therapy, which can require trying a lower-cost drug before a pricier one is approved.
Does a Medicare Supplement require prior authorization?
For the services Original Medicare covers, no. A Supplement pays after Medicare without adding its own network or authorization step, which is one of the main reasons people choose it over a Medicare Advantage plan when they want fewer surprises.
What happens if my plan denies a prior authorization request?
You have the right to appeal, and plans are required to have a documented appeals process. Denials are regularly reversed on appeal, especially when a doctor’s office submits additional records or requests a review, so a denial is a step in the process, not automatically the end of it.
Do Part D drug plans use prior authorization too?
Yes, in a related form. A drug plan’s formulary can require prior authorization or step therapy for certain higher-cost or specialty medications, which is worth checking against your actual prescription list before you enroll rather than after.
If I’m healthy, does prior authorization matter to me?
It matters less right now, which is part of why a zero-premium Medicare Advantage plan is a reasonable choice for someone healthy who isn’t attached to specific specialists. It tends to matter more the moment your health changes, which is worth thinking through before you’re the one testing it.
Can I switch from a Medicare Advantage plan to a Supplement later if prior authorization becomes a problem?
You generally can switch, but outside your first enrollment window you may be asked health questions to qualify for a Supplement, and the answers can affect approval. That’s different from your initial window, when a Supplement is usually available without health questions, which is why the timing of this choice matters.
Keep reading
Start with the basics
- Medicare Questions Answered
- Part D prescription drug coverage
- 64+ : the free book
- How to enroll in Medicare, step by step
More questions I get asked
- Can I Switch From Regular Medicare to an Advantage Plan?
- Does Medicare pay for durable medical equipment when you’ve got a chronic condition?
- Does Medicare Pay for an Annual Wellness Visit? (And the Doctor Question Hiding Underneath It)
- Recovery Care and Home Health Care With Medicare: The Part People Usually Assume Wrong
- Should You Choose Medicare Advantage or a Medicare Supplement Plan?
- Still Working at 65? Here’s Whether Medicare Is Required Right Now
Find Medicare plans in your area
There are two different things here. First, if you want to see plan availability for your own ZIP code, use the plan lookup. That works by county, because Medicare Advantage and Part D availability changes at county lines. Second, the local county guides are an SEO/content library we are expanding to all 50 states, then down into county-level pages. Kentucky is the first live state layer, not the whole national structure.
Find plans by ZIP code Ask Michael to check it
State and county guide examples while the 50-state database expands:
What clients say
Written by Michael Smith, licensed insurance broker and founder of Guardian Health & Wealth in Bowling Green, Kentucky. I help people across the country make sense of Medicare : and I will tell you when the popular answer is not your answer.
Drawn from real conversations over the years. I never share anyone’s personal information : just the thinking, so you can see how a decision like this gets made.