By Marc Gilman
📞 Call (800) 927-9326 or (603) 493-1394 | ✉️
If you’ve been diagnosed with diabetes, heart disease, or another qualifying chronic condition, you may have noticed more marketing lately for Chronic Condition Special Needs Plans, or C-SNPs. That’s not your imagination. C-SNP enrollment has more than tripled nationally since 2023, and it’s now one of the fastest-growing corners of Medicare Advantage. Here’s what’s actually behind that growth, and what it means if you’re deciding whether a C-SNP is right for you.
Key Takeaways
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C-SNP enrollment grew 45% between 2025 and 2026 alone, reaching roughly 1.7 million people nationwide.
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Growth is driven by a mix of factors: how Medicare pays insurers for chronic-condition members, the recent end of a federal benefits program called VBID, and genuine demand from beneficiaries seeking more targeted care.
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Nearly all C-SNP enrollment nationally is concentrated in plans covering diabetes, chronic heart failure, and cardiovascular conditions — even though CMS allows 24 different qualifying conditions.
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C-SNPs must include prescription drug coverage and often provide extra benefits like help with food, utilities, and transportation that traditional Medicare doesn’t cover.
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New Hampshire is the one state in the country where C-SNP enrollment outweighs D-SNP enrollment among special needs plans, since NH has no D-SNPs at all.
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If you have a qualifying chronic condition, you can switch into a C-SNP any time of year through a Special Enrollment Period — you don’t have to wait for Open Enrollment.
What is a C-SNP, and who qualifies?
A Chronic Condition Special Needs Plan is a type of Medicare Advantage plan built specifically around one or more serious chronic conditions. Unlike standard Medicare Advantage plans, which are open to any Medicare beneficiary, C-SNPs restrict enrollment to people who have been diagnosed with a qualifying condition.
CMS recognizes 24 different chronic conditions that can qualify someone for a C-SNP, ranging from diabetes and chronic heart failure to cancer, HIV/AIDS, dementia, and severe autoimmune disorders. In practice, though, the vast majority of C-SNPs on the market target just one combination: diabetes, chronic heart failure, and cardiovascular disease. Nationally, close to 97% of all C-SNP enrollees are in a plan covering that specific grouping. Other qualifying conditions exist on paper but have little to no plan presence in most markets, in part because insurers have found it harder to build a large enough enrollee base around rarer diagnoses.
Like all Medicare Advantage plans, C-SNPs must cover everything Original Medicare covers. Unlike general Medicare Advantage plans, every C-SNP is required to include Medicare Part D prescription drug coverage.
How much has the C-SNP market actually grown?
Quite a bit, and quite recently. Nationally, C-SNP enrollment grew from roughly 458,000 people in 2023 to more than 1.6 million by 2026 — nearly quadrupling in three years. The pace has been accelerating each year, with the number of available C-SNP plans jumping 44% and enrollment growing 45% in just the last year alone.
That growth isn’t evenly spread across the industry. A handful of carriers are responsible for most of the expansion — one insurer alone accounted for well over half of the newly added plans in the most recent year, while several other companies actually reduced their C-SNP offerings during the same period. In other words, this is a story about a handful of insurers making an aggressive strategic bet, not the entire industry moving in lockstep.
Why are insurers pushing into the C-SNP market?
A few different forces are converging at once, and it’s worth understanding each honestly.
Medicare pays insurers more to cover people with documented chronic conditions. Medicare Advantage plans are paid a fixed monthly amount per member, adjusted up or down based on each member’s expected health care costs — a system called risk adjustment. Someone with a serious, well-documented chronic condition generates a meaningfully higher payment to their plan than someone in good health, because the plan is expected to spend more on their care. Because every C-SNP member already carries a verified qualifying diagnosis at enrollment, insurers can price these members accurately from day one, without needing to identify and document conditions after the fact the way they often do in general Medicare Advantage plans.
A federal benefits program that used to support similar goals recently ended. For several years, a CMS demonstration called the Value-Based Insurance Design (VBID) model let Medicare Advantage plans offer extra benefits — things like food assistance, help with utility bills, and non-medical transportation — to a broader group of enrollees, including many dual-eligible members. CMS ended VBID in 2025, citing the program’s high cost to the federal government. C-SNPs have picked up much of that slack: they can offer many of those same kinds of benefits directly to members with qualifying chronic conditions through a program called Special Supplemental Benefits for the Chronically Ill, or SSBCI, which isn’t going anywhere.
Standard Medicare Advantage growth has slowed, so insurers are looking for new avenues. Overall Medicare Advantage enrollment grew only about 3% in the most recent year — a much slower pace than a decade of prior growth. Special needs plans of all kinds, including C-SNPs, accounted for the large majority of whatever growth did happen. Insurers that want to keep growing are increasingly doing it through more specialized plan types rather than general-enrollment plans.
Some of the growth reflects genuine consumer demand, not just insurer strategy. Industry analysts have also pointed to a simpler explanation: Medicare beneficiaries have become more sophisticated shoppers, and many are actively looking for a plan built around the specific health conditions they’re managing, rather than a generic one-size-fits-all Medicare Advantage plan. For someone managing diabetes or heart failure, a plan explicitly designed around that condition — with matching pharmacy benefits and care coordination — can be a genuinely better fit than a general plan.
What does a C-SNP actually offer that a standard plan doesn’t?
For members with a qualifying condition, C-SNPs are built to include some features general Medicare Advantage plans typically don’t offer:
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Condition-specific drug pricing. Most C-SNP prescription drug plans include a formulary tier specifically for medications tied to the plan’s target condition, which can lower out-of-pocket costs on the drugs members are most likely to need.
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SSBCI supplemental benefits. These commonly include help with food and groceries, general living support (such as rent or utility assistance), and non-medical transportation. The average annual value of these combined benefits is a little over $2,000, though it varies significantly by plan.
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Zero-dollar premiums, most of the time. About two-thirds of C-SNPs nationally charge no monthly premium, similar to standard Medicare Advantage plans.
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More coordinated, higher-touch care management. Because C-SNP populations share a defined condition, plans can build care coordination programs — case managers, more frequent check-ins, disease-specific education — around that population more effectively than in a general-enrollment plan with a much broader mix of members.
It’s worth being clear-eyed about the trade-off too: this kind of specialized, high-touch model only works well when a plan has invested in the right provider relationships and care infrastructure to support it. Industry leaders have cautioned that insurers chasing C-SNP enrollment growth without those pieces in place risk real gaps in care down the road. That’s a good reason to evaluate a specific plan’s network and reputation, not just its benefit list, before enrolling.
What does this mean if you live in New Hampshire?
One detail worth knowing if you’re a NH Medicare beneficiary: New Hampshire has no Dual Eligible Special Needs Plans (D-SNPs) at all, and it’s the only state in the country where C-SNP enrollment outweighs D-SNP enrollment among the relatively small number of NH residents enrolled in any special needs plan. That doesn’t mean C-SNPs are a bigger deal here than elsewhere in absolute terms — special needs plan enrollment overall is a small share of NH’s Medicare Advantage market — but if you’re comparing plan types locally, C-SNPs are the more established special needs option in our state.
What To Do Next
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Check whether you already qualify. If you’ve been diagnosed with diabetes, chronic heart failure, or a cardiovascular condition, you likely qualify for a C-SNP available in your area, even if you’re currently in a standard Medicare Advantage plan.
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Don’t wait for Open Enrollment if you have a new diagnosis. A qualifying chronic condition diagnosis triggers a Special Enrollment Period, meaning you can switch into a C-SNP any time of year, not just between October 15 and December 7.
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Compare the whole benefit package, not just the headline. Look at the plan’s provider network, drug formulary tier for your specific medications, and the real dollar value of its SSBCI benefits before switching.
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Call before you enroll. We can help you confirm whether your specific diagnosis qualifies, verify your doctors are in-network, and compare what’s actually available to you in New Hampshire.
📞 Call (800) 927-9326 or (603) 493-1394, or email — we’re happy to walk through whether a C-SNP makes sense for your situation.
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