MA Enrollment Explorer / Parent organizations / Prisma Health
Prisma Health: Medicare Advantage enrollment and market share
Prisma Health had 464 Medicare Advantage members in October 2026, #207 nationally with 0.00% of all MA enrollment. It gained 27 members (+6.2%) since October 2025, and has enrollment in 1 state and 4 counties with 11 or more members. In the 2026 Annual Election Period (December to February) it lost 16 members (−3.6%). For 2027, none of its members are in plans that terminate or leave their county.
464MA members, October 2026
+6.2%change since October 2025 (+27)
0.00%national MA share, rank 207
2contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| South Carolina | 440 | 0.1% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Richland County, SC | 204 | −4 | 0.6% |
| Greenville County, SC | 168 | +13 | 0.3% |
| Lexington County, SC | 52 | +4 | 0.2% |
| Pickens County, SC | 16 | new | 0.1% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H4203 Prisma Health SeniorCare PACE-Midlands | National PACE | 277 | 263 | 267 |
| H4053 Prisma Health SeniorCare PACE-Upstate | National PACE | 145 | 174 | 197 |
Star ratings for these contracts are in the MA Quality Dashboard.