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Open enrollment 2027 · Illinois

Medicare Advantage in Clinton County, IL, for 2027.

CMS lists 47 Medicare Advantage plans here for 2027, 6 fewer than 2026 (53). 3,308 people in the county had an individual Medicare Advantage plan in October 2026.

Sources: CMS CY2027 plan file (October 2026 release), CMS CY2026 plan file (September 2026 release), CMS enrollment by county (CPSC), October 2026, CMS 2027 Plan Crosswalk (October 1, 2026), CMS 2027 Star Ratings Data Tables (October 8, 2026). Member counts are floors because CMS hides counts of 10 or fewer.

The county in numbers

2027 plans476 fewer than 2026 (53)
$0 premium plans36of 47
Insurers7parent companies
Must pick a plan129their plan ends here
Rated 4 stars or more25of 37 rated plans

Plans that end here for 2027

3 plans with members in the county end or leave it, plus 7 with 10 or fewer members here. CMS moves 47 members to another plan, and 2,048 stay in the same plan.

PlanInsurerMembersWhy
AARP Medicare Advantage from UHC ST-2 (PPO)UnitedHealth75Plan terminated
Aetna Medicare Enhanced Extra (HMO-POS)CVS Health37Plan leaves this county
Aetna Medicare Elite (PPO)CVS Health17Plan leaves this county

Where CMS moves members

2026 plan2027 planMembers
Molina Medicare Complete Care Plus (HMO D-SNP)Molina Medicare Complete Care Plus (HMO D-SNP)47
Wellcare Simple Essential (HMO)Wellcare Simple Essential (HMO)10 or fewer

Who holds the members

  • UnitedHealth1,756
  • CVS Health967
  • Humana252
  • Lumeris Group Holdings196
  • Devoted Health90
  • Molina Healthcare47

Individual Medicare Advantage members by parent company, October 2026.

Top rated plans sold here

  • Humana Essentials Plus Giveback (HMO)Humana4.5
  • Humana Essentials Plus Giveback (HMO)Humana4.5
  • Humana Full Access (PPO)Humana4.5
  • Humana Total Complete (HMO)Humana4.5
  • Humana Total Complete (HMO)Humana4.5
  • Humana USAA Honor Giveback (PPO)Humana4.5
  • Humana Value Choice (PPO)Humana4.5
  • HumanaChoice Giveback H7617-013 (PPO)Humana4.5

2027 overall Star Rating, 4.5 or more. Each plan's measure stars are in the county lookup.

See every plan, premium and copay in the free lookup.

Sort all 47 plans, open each plan's benefits and star measures, and see what each insurer paid agents in 2026.

Open Clinton in the lookup

Working this county for AEP?

The AEP 2027 County Kit puts this county and your others in one file: the plans that end, where members land, what is still sold and a crosswalk sheet, with every number tied to its CMS file.

See the AEP 2027 County Kit

All Illinois county pages. Facts from public CMS files, prepared by Health and Tech Now. Not plan advice. Check a plan's Summary of Benefits before you enroll.