Blue Cross and Blue Shield of Texas leaves Medicare Advantage as UnitedHealthcare splits with Florida health systems
Blue Cross and Blue Shield of Texas will stop offering Medicare Advantage plans after 2026, affecting 227 counties. UnitedHealthcare and Humana are also exiting multiple counties. UnitedHealthcare is leaving 228 counties, Humana 62, and HCSC 498. UnitedHealthcare's Bobby Hunter cited higher operating costs. Florida health systems Lee Health, Sarasota Memorial, and AdventHealth are ending contracts with UnitedHealthcare. Open enrollment for 2027 runs through Dec. 7.
How this was made
The 30-second read
Why it matters
For MA insurers, the key trading variable is disruption risk: member discontinuations, provider out-of-network status, and disputed or underpaid claims that can affect retention, medical costs, and administrative burden into 2027.
Market read
MA insurer county exits plus provider-network splits are likely to influence near-term sentiment and risk models for 2027 membership and cost trends.
What to watch
The article focuses on exits and disputes, but does not quantify how quickly members re-enroll into remaining plans or how much cost savings offset churn and disputed-claims exposure.
Background
The article compiles KFF federal plan data and Becker’s payer/provider trackers to describe which insurers are leaving Medicare Advantage counties for 2027 and where provider contracts are ending.
Ticker impact
UnitedHealth Group is leaving 228 counties nationally and is splitting with Florida health systems, including Lee Health and AdventHealth.
Likely downward pressure as markets price higher disruption risk from provider terminations and member discontinuations.
The piece cites member counts in discontinued plans and describes contract terminations tied to MA prior authorization and disputed claims, which can affect retention and costs.
Humana is leaving 62 counties and has announced cuts affecting about 600,000 MA enrollees, alongside multiple provider out-of-network breaks.
Likely negative bias as the market anticipates churn and higher administrative friction from network exits.
The article provides county exit counts and an enrollee impact figure, but does not give Humana-specific financial guidance or a single decisive event beyond the discontinuations.
Market effects
Medicare Advantage network instability and prior authorization disputes appear to be driving insurer exits and provider contract terminations, potentially raising industry churn and administrative cost expectations.
Florida and Texas are highlighted as hotspots for MA network splits, which can concentrate near-term membership disruption risk.
Primarily US healthcare payer risk, with limited direct global spillover beyond sentiment toward managed-care earnings durability.
Counterpoint
County exits may be a rational rebalancing toward more profitable PPO/PPO-mix or lower-cost provider arrangements, limiting long-run earnings damage.
Key entities
- insurerBlue Cross and Blue Shield of Texas
Exits Medicare Advantage and related MA products for 2027; parent HCSC keeps HealthSpring MA in a smaller county set.
- insurerUnitedHealthcare (UnitedHealth Group)
Leaving 228 counties nationally and facing multiple Florida provider contract terminations tied to MA denials and claims disputes.
- insurerHumana
Leaving 62 counties and cutting affecting about 600,000 enrollees, amid additional provider-network breaks.
- insurerCentene
Leaving 359 counties and entering 15 for MA with drug coverage for 2027.
