MA Enrollment Explorer / Parent organizations / BlueCross BlueShield of Tennessee
BlueCross BlueShield of Tennessee: Medicare Advantage enrollment and market share
BlueCross BlueShield of Tennessee had 220,412 Medicare Advantage members in October 2026, #22 nationally with 0.61% of all MA enrollment. It gained 10,544 members (+5.0%) since October 2025, and has enrollment in 5 states and 101 counties with 11 or more members, leading the market in 39 of them. In the 2026 Annual Election Period (December to February) it gained 6,523 members (+3.1%). For 2027, 4,015 of its members are in plans that terminate and 4,101 in plans leaving their county. Among members who stay, 0 lose a Part B giveback and 160,606 an OTC allowance.
220KMA members, October 2026
+5.0%change since October 2025 (+10,544)
0.61%national MA share, rank 22
2contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| Tennessee | 215,210 | 26.2% |
| Georgia | 4,772 | 0.4% |
| Virginia | 43 | 0.0% |
| Mississippi | 28 | 0.0% |
| Alabama | 16 | 0.0% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Hamilton County, TN | 23,266 | +1,339 | 49.6% |
| Shelby County, TN | 13,263 | +491 | 16.3% |
| Sullivan County, TN | 12,611 | +993 | 40.7% |
| Davidson County, TN | 10,822 | +566 | 18.3% |
| Knox County, TN | 8,140 | +557 | 15.2% |
| Rutherford County, TN | 7,934 | +632 | 28.6% |
| Hawkins County, TN | 6,100 | +255 | 48.7% |
| Bradley County, TN | 6,077 | +613 | 40.2% |
| Washington County, TN | 5,833 | +1,270 | 27.7% |
| Cumberland County, TN | 5,813 | +365 | 43.3% |
| Sumner County, TN | 5,431 | +375 | 23.6% |
| Williamson County, TN | 3,835 | +214 | 20.0% |
| Wilson County, TN | 3,638 | +126 | 21.7% |
| Putnam County, TN | 3,577 | +176 | 40.0% |
| Madison County, TN | 3,296 | +132 | 30.9% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H7917 BlueCross BlueShield of Tennessee | Local PPO | 160,702 | 176,217 | 189,059 |
| H3259 BlueCare Plus Tennessee | HMO/HMOPOS | 29,990 | 28,594 | 31,353 |
| H2096 Shared Health Dual Freedom | Local PPO | n/a | 0 | n/a |
| H3015 Shared Health Dual Plus - DE H3015-001 (HMO D-SNP) | HMO/HMOPOS | 5,275 | 4,230 | n/a |
| H9946 Shared Health Dual Freedom - DE H9946-001 (PPO D-SNP) | Local PPO | 554 | 827 | n/a |
Star ratings for these contracts are in the MA Quality Dashboard.