Medicare Advantage in Marion County, SC, for 2027.
CMS lists 64 Medicare Advantage plans here for 2027, 11 more than 2026 (53). 4,615 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
Plans that end here for 2027
No plan with members here ends for 2027.
Who holds the members
- UnitedHealth2,336
- Humana1,074
- CVS Health494
- Centene309
- BlueCross BlueShield of South Carolina (BCBSSC)309
- Molina Healthcare54
Individual Medicare Advantage members by parent company, October 2026.
Top rated plans sold here
- Clover Health LiveHealthy (PPO)Clover Health5.0
- Clover Health Valor (PPO)Clover Health5.0
- AARP Medicare Advantage Patriot No Rx SC-MA2 (PPO)UnitedHealth4.5
- AARP Medicare Advantage from UHC SC-0004 (PPO)UnitedHealth4.5
- DEVOTED C-SNP CHOICE 004 SC (PPO C-SNP)Devoted Health4.5
- DEVOTED C-SNP CHOICE ENHANCED 005 SC (PPO C-SNP)Devoted Health4.5
- DEVOTED C-SNP CHOICE GIVEBACK EXTRAS 045 SC (PPO C-SNP)Devoted Health4.5
- DEVOTED C-SNP CHOICE PLUS 006 SC (PPO C-SNP)Devoted Health4.5
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 64 plans, open each plan's benefits and star measures, and see what each insurer paid agents in 2026.
Open Marion in the lookupWorking 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 KitAll South Carolina 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.