Reviewed by Scotty Lewis, CSA, RSSA, licensed independent insurance agent
When Your Medicare Advantage Plan Disappears Mid-Enrollment
If you’re one of the roughly 600,000 people whose Humana Medicare Advantage plan just got a non-renewal notice, you’re not imagining the chaos. You’re living through one of the more consequential shifts in this industry right now, and it’s happening at the worst possible time: right in the middle of open enrollment.
Humana confirmed it’s exiting Medicare Advantage plans covering about 600,000 members for the 2027 plan year, with non-renewal letters landing this fall. That’s a big number, but Humana isn’t alone. Blue Cross Blue Shield of Minnesota cut most of its Medicare Advantage offerings after absorbing a $500 million loss on the business, and several other carriers have quietly pulled back in markets where the financials stopped working. Brokers across the country are describing a scramble, with only a few weeks to get affected members into new Medicare Advantage or Medicare Supplement coverage before the enrollment window closes.
What’s Actually Driving This
Here’s what I think is getting lost in the coverage. This isn’t a story about one insurer tightening its belt. The economics of Medicare Advantage are catching up to a decade of aggressive growth. Margins have been squeezed from multiple directions at once: higher-than-expected medical costs, tighter risk-adjustment rules from CMS, and star-ratings penalties that quietly cut into the bonus payments plans had come to count on.
For years, the playbook was to expand into as many counties as possible and worry about profitability later. That playbook is now being reversed. County by county. Plan by plan.
What This Means if You Got a Letter
For the people actually affected, none of that context softens the disruption. Getting a letter that your Medicare Advantage plan won’t exist next year means re-shopping during the most confusing six weeks of the calendar. You’re trying to figure out whether your doctors are still in network, whether your prescriptions will be covered, and what your out-of-pocket costs will look like under a completely different plan structure. It’s a forced decision nobody asked for, dropped into an already overwhelming process.
If you’re in Tennessee, your options may still include several Medicare Advantage plans depending on your county. You may also want to compare Original Medicare paired with a Medicare Supplement (Medigap) policy and a standalone Part D drug plan. That combination works differently than Medicare Advantage, but for some people, especially those whose MA plan just disappeared, it can offer more predictability.
A local agent who works with Medicare year-round can pull up what’s available in your zip code and walk through the differences side by side. That’s what we do here.
Is This the Start of Something Bigger?
What I’ll be watching is whether this becomes a broader consolidation phase for Medicare Advantage rather than a one-off correction. If more carriers decide the unit economics in certain markets don’t work anymore, we could see a shrinking, higher-friction MA landscape heading into 2028. Fewer Medicare Advantage plan choices, but potentially more financially sustainable ones.
That shift would affect rural counties hardest, where carriers already operate on thin margins and provider networks are smaller. Tennessee has plenty of those counties.
If you or someone you know got one of these non-renewal notices, the real message is simple: don’t wait until the last week of the Medicare enrollment period to act. The options are still there, but the runway to compare them carefully is shorter than it looks. Pick up the phone, talk to someone who knows the local plan landscape, and make your decision with enough time to get it right.
