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MA Enrollment Explorer / Parent organizations / BlueCross BlueShield of South Carolina (BCBSSC)

BlueCross BlueShield of South Carolina (BCBSSC): Medicare Advantage enrollment and market share

BlueCross BlueShield of South Carolina (BCBSSC) had 49,548 Medicare Advantage members in October 2026, #58 nationally with 0.14% of all MA enrollment. It gained 14,849 members (+42.8%) since October 2025, and has enrollment in 1 state and 30 counties with 11 or more members. In the 2026 Annual Election Period (December to February) it gained 12,064 members (+34.2%). For 2027, 0 of its members are in plans that terminate and 5,325 in plans leaving their county, and it leaves 2 counties entirely.

50KMA members, October 2026
+42.8%change since October 2025 (+14,849)
0.14%national MA share, rank 58
1contracts with enrollment
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Largest states

StateMembersShare of state MA
South Carolina49,4178.2%

Largest counties

CountyMembersChange since October 2025Share of county MA
Horry County, SC12,215+3,39419.3%
Lexington County, SC5,194+83218.5%
Richland County, SC4,200+62212.1%
Beaufort County, SC3,102+1,67915.3%
Greenville County, SC3,099+7875.3%
Charleston County, SC2,839+1,2059.1%
Spartanburg County, SC1,841+5034.4%
Kershaw County, SC1,781+58721.6%
Berkeley County, SC1,727+7528.0%
Dorchester County, SC1,323+6308.9%
Georgetown County, SC1,302+45013.2%
Sumter County, SC1,244+15110.1%
Florence County, SC1,220+3858.0%
Orangeburg County, SC1,111+3938.6%
Anderson County, SC974+663.6%

Contracts

ContractPlan typeOct 2024Oct 2025Oct 2026
H8003 Blue Cross Blue Shield of South CarolinaLocal PPO25,67634,69949,548
H7165 Blue Cross Blue Shield of South CarolinaHMO/HMOPOS53n/an/a

Star ratings for these contracts are in the MA Quality Dashboard.