Medicare Advantage in Harrison County, MS, for 2027.
CMS lists 75 Medicare Advantage plans here for 2027, 5 more than 2026 (70). 23,579 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
3 plans with members in the county end or leave it, plus 77 with 10 or fewer members here. CMS moves 907 members to another plan, and 20,335 stay in the same plan.
| Plan | Insurer | Members | Why |
|---|---|---|---|
| Blue Advantage Plus (PPO) | BlueCross BlueShield of Alabama | 711 | Plan terminated |
| Aetna Medicare Value Plus (PPO) | CVS Health | 134 | Plan leaves this county |
| Wellcare Patriot Giveback (HMO-POS) | Centene | 33 | Plan terminated |
Where CMS moves members
| 2026 plan | 2027 plan | Members |
|---|---|---|
| UHC Dual Complete MS-S001 (PPO D-SNP) | UHC Dual Complete MS-Q1 (PPO D-SNP) | 445 |
| UHC Dual Complete MS-S3 (PPO D-SNP) | UHC Dual Complete MS-S3 (PPO D-SNP) | 325 |
| Wellcare Dual Access (HMO-POS D-SNP) | Wellcare Magnolia Health Dual Liberty (HMO-POS D-SNP) | 137 |
Who holds the members
- Humana13,644
- UnitedHealth3,109
- Devoted Health2,192
- CVS Health1,933
- Centene726
- BlueCross BlueShield of Alabama711
Individual Medicare Advantage members by parent company, October 2026.
Top rated plans sold here
- Humana Dual QMB Only (HMO D-SNP)Humana4.5
- Humana Dual QMB Only (PPO D-SNP)Humana4.5
- Humana Dual Select H1036-329 (HMO D-SNP)Humana4.5
- Humana Dual Select H7617-083 (PPO D-SNP)Humana4.5
- Humana Gold Plus Chronic Kidney Disease (HMO C-SNP)Humana4.5
- Humana Gold Plus SNP-DE H1036-328 (HMO D-SNP)Humana4.5
- Humana Total Complete (HMO)Humana4.5
- Humana USAA Honor Giveback (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 75 plans, open each plan's benefits and star measures, and see what each insurer paid agents in 2026.
Open Harrison 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 Mississippi 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.