UnitedHealth in Tennessee: 210,499 Medicare Advantage members, 28.1% share, 2nd of 12.
UnitedHealth Group, Inc., shown as UnitedHealth, lost 13,228 members (−5.9%) from Nov 2025 to Oct 2026 and stepped −7.2% at the 2026 election period against the market's +0.7%. It sells in 95 of Tennessee’s 95 counties with visible members and leads 28; BlueCross BlueShield of Tennessee sits just ahead at 28.1%, Humana just behind at 25.2%.
UnitedHealth's twelve months in Tennessee
Visible members each month, Nov 2025 to Oct 2026. The December-to-January step is the election period. The market line for the state is on the Tennessee page.
Where UnitedHealth's Tennessee members are
The carrier’s five largest counties by visible members, with its share of each county’s visible Medicare Advantage members. It sells in 95 counties and leads 28 of them.
| County | UnitedHealth members | Share of county | County visible members | County leader |
|---|---|---|---|---|
| Shelby | 20,886 | 27.3% | 76,417 | Humana |
| Knox | 11,616 | 22.8% | 50,982 | Humana |
| Davidson | 10,917 | 22.1% | 49,434 | Health Care Service Corporation |
| Sullivan | 9,829 | 32.9% | 29,839 | BlueCross BlueShield of Tennessee |
| Washington | 9,711 | 48.3% | 20,118 | UnitedHealth |
UnitedHealth against the Tennessee market
The carrier’s figures beside the state’s, each weighted by members. A difference is a difference, not a grade: a higher maximum or a lower rating is a design and a result, read in context.
top three hold 81.4%
market 3.74, −0.09, 2nd of 5 rated
market 95%, +2 points
market $6,500, +$650
| # | Carrier | Members | Share | Twelve months | Election step | Counties led | Rating | $0 premium |
|---|---|---|---|---|---|---|---|---|
| 1 | BlueCross BlueShield of Tennessee | 211,033 | 28.1% | +7.3% | +3.9% | 44 of 95 | 3.43 | 93% |
| 2 | UnitedHealth | 210,499 | 28.1% | −5.9% | −7.2% | 28 of 95 | 3.65 | 98% |
| 3 | Humana | 189,183 | 25.2% | +9.0% | +7.2% | 15 of 95 | 4.45 | 97% |
| 4 | Health Care Service Corporation | 80,906 | 10.8% | +3.4% | +0.2% | 8 of 81 | 3.49 | 100% |
| 5 | Elevance | 26,638 | 3.5% | −8.7% | −5.3% | 0 of 94 | 3.00 | 84% |
What 2027 does to UnitedHealth's plans in Tennessee
The fate assigned to each of the carrier’s plans for 2027, joined to the members in it today.
32,385 members move with 1 plan consolidated into another of the carrier’s plans. In all, 15% of UnitedHealth’s Tennessee members are in a plan whose service area or status changes.
The read on UnitedHealth in Tennessee is in Carrier Command.
Risk and rebate against the market, the five-test read on coding versus selection, Stars levers and next year's cut points, the election-period forecast and the county-by-county standing, written as a monthly page.
UnitedHealth elsewhere, and the rest of Tennessee
How these numbers are made
- Members are visible members: CMS suppresses any plan-county cell of ten or fewer, so small counties undercount. Market share excludes employer group plans.
- Enrollment is Oct 2026; the twelve months run Nov 2025 to Oct 2026; the election step compares December 2025 with January 2026.
- UnitedHealth is the parent organization UnitedHealth Group, Inc.; its 14 plans in Tennessee may sell under other brand names. The rating is the 2027 overall Star Rating of its contracts weighted by members in Tennessee; $0 premium and the in-network maximum are the 2027 filings weighted by members today.
- Plan fates are the ones assigned for contract year 2027.
- Every figure comes from public CMS data as Livmor reads it, and the page is rebuilt when a new month posts. Livmor Carrier Command, public CMS data.