MA Enrollment Explorer / Parent organizations / BMC Health System, Inc.
BMC Health System, Inc.: Medicare Advantage enrollment and market share
BMC Health System, Inc. had 5,119 Medicare Advantage members in October 2026, #122 nationally with 0.01% of all MA enrollment. It lost 6,158 members (−54.6%) since October 2025, and has enrollment in 1 state and 10 counties with 11 or more members, leading the market in 1 of them. In the 2026 Annual Election Period (December to February) it lost 5,983 members (−54.9%). For 2027, 5,095 of its members are in plans that terminate and 0 in plans leaving their county, and it leaves 10 counties entirely.
5,119MA members, October 2026
−54.6%change since October 2025 (−6,158)
0.01%national MA share, rank 122
2contracts with enrollment
Largest states
| State | Members | Share of state MA |
|---|---|---|
| New Hampshire | 5,100 | 4.6% |
Largest counties
| County | Members | Change since October 2025 | Share of county MA |
|---|---|---|---|
| Hillsborough County, NH | 2,034 | +172 | 6.2% |
| Carroll County, NH | 937 | +79 | 41.1% |
| Grafton County, NH | 498 | −1,107 | 9.0% |
| Cheshire County, NH | 479 | −335 | 8.7% |
| Sullivan County, NH | 407 | +113 | 18.8% |
| Coos County, NH | 184 | −806 | 5.2% |
| Merrimack County, NH | 179 | −1,037 | 1.2% |
| Belknap County, NH | 149 | −814 | 2.1% |
| Strafford County, NH | 118 | −651 | 1.1% |
| Rockingham County, NH | 115 | −822 | 0.4% |
| Bristol County, MA | 0 | −97 | 0.0% |
| Suffolk County, MA | 0 | −713 | 0.0% |
| Barnstable County, MA | 0 | −11 | 0.0% |
| Hampden County, MA | 0 | −18 | 0.0% |
| Plymouth County, MA | 0 | −89 | 0.0% |
Contracts
| Contract | Plan type | Oct 2024 | Oct 2025 | Oct 2026 |
|---|---|---|---|---|
| H6851 WellSense Health Plan | HMO/HMOPOS | 1,457 | 4,300 | 4,240 |
| H7980 WellSense Health Plan | Local PPO | n/a | 6,025 | 879 |
| H9585 WellSense Health Plan | HMO/HMOPOS | 1,890 | 952 | n/a |
Star ratings for these contracts are in the MA Quality Dashboard.