Effective March 31, 2026 — and the reason why should make every MA enrollee pay attention.
In late March 2026, the Centers for Medicare & Medicaid Services (CMS) took the rare and serious step of halting new enrollments in Elevance Health Medicare Advantage plans.
This isn’t a routine administrative hiccup. It’s a signal — and if you’re on a Medicare Advantage plan, or considering one, you need to understand what it means.
What happened: CMS ordered a freeze on new Elevance Health (formerly Anthem) Medicare Advantage enrollments effective March 31, 2026, citing the insurer’s failure to provide required data to federal regulators.
Why Did CMS Freeze Elevance Enrollments?
The short answer: Elevance wasn’t handing over the data CMS needs to oversee the program.
Federal law requires Medicare Advantage insurers to submit detailed encounter data — records of every service a patient receives. This data is how CMS monitors whether MA plans are actually providing the coverage they promise.
When insurers don’t submit complete encounter data, regulators can’t see what’s happening to beneficiaries. They can’t identify patterns of care denial, they can’t verify payments, and they can’t catch plans that are gaming the risk-adjustment system.
What Is Encounter Data — And Why Does It Matter?
Encounter data is the record of every medical service you receive under a Medicare Advantage plan. CMS uses it to:
- Calculate risk adjustment payments — CMS pays MA plans based on how sick their members are; encounter data is how those payments are verified
- Detect fraud and overbilling — incomplete data is one of the primary ways insurers inflate risk scores and collect overpayments
- Monitor quality of care — regulators track whether plans are actually delivering the services they are paid to provide
- Enforce plan compliance — encounter data is the paper trail CMS uses when auditing whether a plan is meeting its contractual obligations
- Ensure accurate capitation payments — CMS pays a fixed monthly amount per enrollee; encounter data confirms those payments reflect real services rendered
Without complete encounter data, oversight is essentially blind.
What Are They Hiding?
That’s the question regulators are implicitly asking. A company that withholds data from its federal overseer is a company that doesn’t want its numbers scrutinized.
The most charitable explanation is administrative incompetence. A less charitable one: the data reveals something they’d rather CMS not see.
Medicare Advantage plans have faced years of scrutiny over inflated risk scores — a practice where insurers code patients as sicker than they are to collect higher payments from CMS. A 2022 HHS inspector general report found that MA overpayments due to unsupported diagnoses exceeded $6.7 billion in a single year. Encounter data is one of the primary tools used to audit these practices.
What This Means If You’re Already on an Elevance MA Plan
The enrollment freeze only affects new enrollments. If you’re already enrolled in an Elevance Health Medicare Advantage plan, your coverage is not immediately disrupted.
However, this situation should prompt you to ask serious questions:
- Is my plan financially stable? A company under federal scrutiny for withholding required data is not a company operating from a position of strength.
- Should I consider switching during the next OEP? The Medicare Advantage Open Enrollment Period (January 1 – March 31) lets you switch to a different MA plan or return to Original Medicare once per year. If you’re in an Elevance plan, this is worth a conversation with a broker.
- What are my rights if my plan changes mid-year? If CMS takes further action against Elevance — including contract termination — enrollees would have a Special Enrollment Period to move to a new plan without waiting for open enrollment.
- Am I being denied care I should be receiving? Plans that resist regulatory oversight tend to also resist claims. If you’ve had prior authorization denials or unexpected bills, that pattern matters.
This isn’t panic territory — but it is pay attention territory. Plans that withhold data from regulators have a track record of not prioritizing member interests.
Where Does Elevance Health Offer Medicare Advantage Plans?
Elevance Health (formerly Anthem) is one of the largest Medicare Advantage carriers in the country, operating under brand names including Anthem, Empire BlueCross, Healthy Blue, and others depending on the state.
As of 2026, Elevance offers Medicare Advantage plans in the following states:
- California, Colorado, Connecticut, Georgia, Indiana, Kentucky, Maine, Maryland, Missouri, Nevada, New Hampshire, New York, Ohio, Virginia, Wisconsin
If you or someone you know is enrolled in a Medicare Advantage plan through any of those Elevance-affiliated brands, the enrollment freeze and its underlying compliance issues are directly relevant to you.
Availability varies by county. If you’re unsure whether your specific plan is Elevance-administered, check your plan’s Evidence of Coverage or call the member services number on your insurance card.
My Take: Why I Watch Companies Like Elevance Closely
I’m an independent broker — I work for you, not for any insurance company. That means I have no financial incentive to steer you toward one carrier over another. And it means I pay close attention to how carriers behave when regulators come knocking.
Medicare Advantage plans can be an excellent fit — especially for people who can’t afford a Medicare Supplement premium or who want the convenience of bundled benefits like dental, vision, and drug coverage under one plan.
Original Medicare plus a Supplement is often the better long-term value for people who can afford it and whose health situation makes predictable costs a priority. There is no universal right answer. It depends entirely on you — your budget, your health, your doctors, your priorities.
What I do have strong opinions about is which companies deserve your trust. A carrier that resists CMS oversight, withholds required data, and has a track record of claim denials is not a carrier I’m going to recommend — regardless of how attractive the plan looks on paper.
That’s the real takeaway from the Elevance situation. This isn’t a reason to write off Medicare Advantage as a category. It’s a reason to be selective about which company you’re trusting with your health coverage — and to have an independent broker in your corner who can tell the difference.
Here’s something people often don’t realize: Medicare Advantage is a pay-as-you-go structure. You may not pay a large monthly premium — but you have copays, coinsurances, and an in-network out-of-pocket maximum that can reach $9,350 in 2026.
Original Medicare, combined with a Medicare Supplement (Medigap) plan, flips that model: you pay a predictable monthly premium and Medicare plus your supplement cover the rest.
One important note — you cannot have both a Medicare Advantage plan and a Medigap supplement at the same time. That combination is not allowed, and any agent who sells you both is doing you harm. You have to choose one path or the other. I help you figure out which path makes sense for your specific situation.
Not Sure Which Medicare Path Is Right for You?
I’ll walk you through the honest comparison — MA vs. Original Medicare + Supplement — with no pressure and no carrier bias. My service is free to you.
We are not affiliated with or endorsed by Medicare.gov or the federal government. Marc Anthony is a licensed, independent insurance broker specializing in Medicare, life insurance, and retirement planning. This content is for informational purposes only. Plan availability varies by location. Contact us for specific plan information in your area.