Humana will mail termination notices in September 2026 covering roughly 600,000 MA members — about 8% of its MA book — as rising utilization costs force exits alongside UnitedHealth. KFF's new federal PA data shows denial rates ranging 5–25% across MA, Medicaid, and ACA plans, exposing the cost-management tool plans are leaning on as its savings shrink.
PA savings shrinking even as authorization volume holds
Managed Healthcare Executive reports that prior-authorization savings are declining even as utilization of the process remains high, pressuring plans to rethink their cost-management strategy.
KFF: PA denial rates vary 5–25% across insurers
KFF analyzed new federal prior-authorization data and found denial rates ranging from 5% to 25% across MA, Medicaid, and ACA insurers.
KFF: New PA metrics reveal insurer practices but gaps remain
KFF published analysis noting that while new federal PA metrics offer insight into insurer practices, data gaps limit full accountability.
Payers ranked by prior-authorization denial rates
Becker's published a ranking of health insurance plans by their prior-authorization denial rates using newly available comparative federal data.
Humana exits 600K MA members; letters arrive September
Humana will terminate MA plans covering roughly 600,000 members — about 8% of its base — with formal notices mailing in September 2026.
Humana and UnitedHealth trim MA on rising costs
Yahoo Finance reported that Humana and UnitedHealth are dropping hundreds of thousands of MA members to protect profit margins as utilization costs rise.
Seniors scramble as insurers dump MA plans
MarketWatch reported that insurer MA exits are leaving older adults — especially in rural markets with fewer options — at risk of losing coverage.
⊕ +1 from PriorAuth
Alignment Health secures $200M credit line for MA acquisitions
Alignment Health secured a $200 million credit facility to fund acquisitions of other MA health plans.
Oscar reports up to 300K ACA disenrollments from CMS fraud crackdown
Oscar Health disclosed that up to 300,000 ACA members may be disenrolled due to a CMS fraud investigation and enforcement action.
⊕ +1 from Margin
Prior authorisation moves from payer discretion to regulated process.
Overturned by: twelve months with no federal rule advancing and penalties staying nominal and unnamed
Watching: Watch whether CMS or a state AG cites the KFF denial-rate rankings in a formal enforcement action by end of Q4 2026
Last call: ● TESTING
Margin discipline is structural and permanent, not a cycle to wait out.
Overturned by: realised MA enrolment growing at or above market for the carriers who announced contraction, through two consecutive AEPs
Watching: Watch September termination-letter complaint volume at CMS and state insurance commissioners as a proxy for regulatory backlash severity by October 15, 2026
Last call: ● TESTING
Penetration keeps rising. Who captures the growth is unresolved.
Watching: Watch whether Alignment closes an MA plan acquisition before year-end 2026, and whether Oscar's ACA disenrollment stabilizes below 300K by December 31, 2026
Last call: ● TESTING
Risk adjustment is a cost of participation, not a source of advantage.
Overturned by: any carrier attributing a margin beat to coding or risk-score improvement under V28, in two consecutive quarters
The cost of margin recovery is passed through. Where it lands is unresolved.
Overturned by: margin recovery achieved through genuine cost reduction rather than transfer
Star ratings will be restructured, not merely disputed.
Overturned by: a full cycle published, unchallenged, with stable cut points
The independent distribution channel consolidates under financial stress.
Overturned by: a new entrant scaling profitably, or commissions holding through an AEP