Impending Insurer Withdrawals in Medicare Advantage Affecting Millions

A recent study by Johns Hopkins Bloomberg School of Public Health, published in JAMA, indicates a potential wave of insurer withdrawals from the Medicare Advantage (MA) market that could lead to the involuntary disenrollment of approximately 2.9 million beneficiaries by 2026. This projected figure, accounting for about 10% of enrollees, marks a pronounced increase from previous years, with the disenrollment rate climbing significantly from 6.9% in 2025.

Geographically, the impact on Medicare Advantage enrollees will be unevenly distributed. Notably, Vermont could witness as many as 92.2% of its MA members losing coverage. Similarly, states like Idaho, Wyoming, North Dakota, South Dakota, New Hampshire, and Maryland are expected to experience high disenrollment rates, affecting at least 40% of participants. Smaller insurers, PPOs, and plans operating in rural areas with lower star ratings are particularly vulnerable to provider exits. Despite availability of alternative Advantage plans for most disenrolled members, significant decisions lie ahead for those impacted.

Medicare regulations mandate a six-month Medigap Open Enrollment Period for beneficiaries aged 65 or older, during which insurers cannot use medical underwriting to deny policy issuance or impose waiting periods for pre-existing conditions. After this period, most states permit underwriting, potentially limiting coverage options for those with changed health statuses. Individuals facing plan termination can utilize guaranteed-issue rights to purchase select Medigap policies without underwriting barriers. States such as New York, Connecticut, Massachusetts, and Maine offer additional consumer protections beyond federal standards, underscoring the need for beneficiaries to consult their state insurance departments or SHIPs before making coverage decisions.

In financial terms, the monthly Part B premium is projected to rise to $202.90 in 2026, up from $185.00 in 2025. Plan G supplements typically add between $150 and $250 per month depending on age and location. When coupled with standalone Part D prescription coverage, a healthy 70-year-old's total monthly expenses could range from $400 to $500. Although zero-premium Advantage plans may seem cost-effective, they might obscure significant expenses, particularly regarding out-of-network services and drug costs compared to Original Medicare with a Medigap Plan G.

External economic factors further compound the situation. A 2.8% Social Security Cost-of-Living Adjustment and persistent inflation exacerbate household budget constraints, emphasizing the importance of informed plan selection. Beneficiaries must consider both immediate cost implications and long-term care coverage when evaluating their options.

This evolving Medicare landscape demands increased awareness from stakeholders regarding available options and compliance requirements during these transitional phases. Ensuring beneficiaries are well-informed empowers them to make effective decisions and navigate their choices with confidence.