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When Your Medicare Advantage Plan Exits the County: Managing the Member Transition Surge

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Medicare Advantage Plan Termination Member Support

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When a carrier pulls a Medicare Advantage plan from a county, thousands of seniors open a mailbox. Instead of routine mail, they find a termination notice and a deadline. Health plans then get a narrow window to deliver real medicare advantage plan termination member support. Miss it, and members panic, switch carriers, or simply give up searching. Nearly 2.9 million MA enrollees are projected to lose their current plan for 2026 coverage. That marks a tenfold jump from historical norms. The figure comes from a Johns Hopkins Bloomberg School of Public Health study in JAMA.

Medicare Advantage county exits are no longer rare events. They have become an annual line item for payers and their support partners. When a plan terminates or fails to renew its county contract, CMS grants members a Special Enrollment Period. The health plan must then staff for a compressed, high-stakes communication window. This article explains why exits are accelerating and who absorbs the operational strain. It shows how payers can build lasting ma plan termination support. Readers get root causes, cross-functional impacts, and a practical framework for scaling an ma plan non-renewal call center. Real 2026 data, a documented case study, and a readiness checklist follow. The short version: prepare before CMS mails the notice, not after.

Why Medicare Advantage County Exits Matter Right Now

The Medicare Advantage market spent two decades in steady growth. That era ended abruptly. UnitedHealthcare is exiting 225 counties in 2026 while entering only 14. Humana is exiting 198 counties while entering just five, per KFF’s 2026 plan landscape analysis. Each carrier now covers roughly 80% of U.S. counties, down from nearly 90% a year earlier. Meanwhile, the forced disenrollment rate averaged just 1% between 2018 and 2024. It jumped to 6.9% in 2025 and reached 10% heading into 2026. Regulators, brokers, and beneficiaries are all recalibrating expectations at once. CMS reimbursement corrections and rising utilization are pushing carriers toward exits instead of renewals. For plans that stay, the upside is real: absorbed members often mean absorbed premium revenue. However, that upside only materializes if the contact center converts the surge into enrolled members.

A Sudden Surge Nobody Budgeted For

Member Transition Timeline During a Medicare Advantage County Exit

1

CMS Notice

Members receive official notification that their current Medicare Advantage plan is ending.

2

Call Volume Surge

Questions about providers, prescriptions, benefits, and enrollment increase rapidly.

3

SEP Opens

Eligible members compare plans and begin selecting new Medicare Advantage coverage.

4

Enrollment Complete

Successful transition depends on timely support, accurate guidance, and compliant communications.

Here is what happens on the ground. A carrier notifies CMS of a non-renewal or mid-year termination. CMS then mails a formal notice to every affected household. Members get a Special Enrollment Period that opens one month before termination. It runs two months after the plan actually ends. Rural beneficiaries get hit hardest; they made up 23% of everyone who lost coverage in 2025. Yet they represent just 14% of individual MA enrollment overall. Seniors facing county exits are often least equipped to compare plans alone. Many manage chronic conditions and fixed incomes at the exact moment they must act fast. The problem worsens each cycle because exits often compound. A member who churns out of one terminated plan sometimes lands in a second one. That plan can exit again next year.

Root Causes Behind the Medicare Advantage Exodus

These exits are not random business decisions. They trace back to a specific set of pressures. Federal funding corrections have reduced benchmark rates for years running. Those rates have not kept pace with medical inflation. Bobby Hunter runs UnitedHealth’s government programs, and he described the 2026 pullback plainly. Government funding, he noted, will drop roughly 20% versus 2023 levels. Meanwhile, member utilization has climbed faster than premium revenue almost everywhere. That gap squeezes margins county by county. Smaller regional carriers and lower-rated plans are disproportionately exiting. They simply lack the scale to absorb short-term losses. Rural markets suffer more because thin provider networks reduce profitability. Together, these forces turned a predictable renewal cycle into a volatile annual event.

Operational Impact of Medicare Advantage Termination Support Gaps

How One County Exit Cascades Across Health Plan Operations

County Exit
Member Confusion
Call Volume Spike
Retention & Compliance Risk

Operations and Staffing

Contact centers built for steady-state volume cannot flex fast enough for a surge. Call volume can spike within days of the CMS notice mailing. Undersized teams then create hold times that push anxious seniors toward competitors.

Compliance and Regulatory Exposure

Every termination call touches CMS marketing and communication rules directly. Agents need Medicare-specific training to stay compliant under pressure. A single misstatement about Special Enrollment Period timing can trigger a formal complaint.

Financial and Revenue Consequences

Health plans that respond slowly watch that revenue walk toward a competitor instead. Every retained member protects premium revenue for the coming plan year. Every lost member becomes acquisition cost for someone else’s sales team.

Customer Experience and Star Ratings

CAHPS and member experience scores respond directly to how termination communication feels. A confusing, rushed transition depresses satisfaction scores for a full measurement year.

What the Data (and the People Behind It) Really Say

Mark Meiselbach, PhD, led the Johns Hopkins JAMA disenrollment study. He frames the shift bluntly. Enrollees, he notes, have rarely faced this kind of disruption before. He calls 2026 “a substantial and sudden reversal of that pattern” (publichealth.jhu.edu). His research also found that rural and lower-rated-plan enrollees face nearly double the risk. From an operations seat, this looks less like a policy footnote. It looks more like a staffing emergency with a 60-day fuse. As Ameridial’s Director of Healthcare Payer Solutions puts it: “Every county exit is basically a mini open enrollment period. Except the members never chose to be there, and neither did your forecast.” That gap between planned and actual volume is where medicare advantage county exit member communication wins or loses trust.

Building a Solution Framework for MA Plan Termination Support

Health Plan County Exit Readiness Scorecard

CapabilityPriority
Predictive staffing model★★★★★
Licensed Medicare-trained agents★★★★★
Real-time quality monitoring★★★★☆
Multi-channel outreach★★★★☆
Enrollment warm transfers★★★★★

Effective transition support starts well before the CMS notice goes out. First, health plans need predictive staffing models using rate filings and prior-year signals. Next, outreach should combine proactive calls, mailed notices, and digital nudges. A single channel simply cannot reach every affected household in time. Licensed, Medicare-trained agents then need real-time access to accurate comparison tools. Throughout the surge, quality teams should audit calls continuously instead of sampling later. Compliance risk runs highest during the busiest weeks of the window. Finally, warm transfers to enrollment specialists convert curiosity into completed applications. Together, these steps turn a chaotic surge into a structured, trackable process.

Metrics That Matter

Executives evaluating transition readiness should track outcomes, not just call counts. The table below compares a reactive approach against a proactive ma plan non-renewal call center model.

MetricReactive ApproachProactive Support Model
Average speed to answer8–12 minutesUnder 60 seconds
Member retention within same carrier family35–45%65–75%
SEP-to-enrollment conversion rate20–30%50–60%
CMS complaint rate during transition windowElevatedMaterially reduced
CAHPS satisfaction impactMeasurable declineStable or improved

Real-World Example: Samaritan Health Plans’ Oregon Exit

Samaritan Health Plans is the insurance arm of Corvallis, Oregon-based Samaritan Health Services. In 2025, it announced an exit from the standalone Medicare Advantage market. The decision affected nearly 14,000 members across Lincoln, Benton, and Linn counties. Almost 5,000 of those members lived in Lincoln County alone (samhealth.org). Member utilization had steadily outpaced premium revenue for years. CMS reimbursement never closed that widening gap. CEO Bruce Butler acknowledged the difficulty directly: “This was not made lightly, and it is disheartening, to say the least.” Samaritan preserved its D-SNP offering for dual-eligible members through the transition. It also gave beneficiaries a defined runway before October’s open enrollment window opened. The company communicated early and pointed members toward CMS’s Plan Finder tool. It kept its provider network transparent throughout the entire wind-down process. The result was a transition members could plan around, not scramble through (beckerspayer.com).

Is Your Team Prepared for MA Plan Termination Support?

County Exit Readiness Decision Tree

County Exit Announced
Can Current Team Handle 2–3× Call Volume?
YES
Continue proactive member outreach, monitor QA daily, and support enrollment.
NO
Activate surge staffing, licensed Medicare agents, overflow routing, and retention support.

Before the next county exit notice lands, ask a few honest questions. Does your contact center have documented surge capacity for a 200% volume spike? Are agents cross-trained on Special Enrollment Period rules before AEP season begins? Can the team route calls by county to reach the right specialists? Is quality assurance monitoring compliance daily during the surge, not weekly afterward? Finally, does leadership see real-time retention data, or only a report weeks later? A confident yes across all five is rare. Most plans discover the gaps only during the surge itself.

Turning Disruption Into Retained Trust

County exits are not going away, and 2027 may bring another wave. The real business problem is not the exit itself. It is the 60-day window where trust gets won or lost. Plans that treat that window as a compliance chore keep losing members to sharper competitors. Plans that treat it as a retention opportunity can convert disruption into loyalty. The opportunity belongs to whoever answers the phone first, clearly, and correctly.

Ready to Handle Your Next Medicare Advantage Plan Termination Member Support Surge?

Ameridial helps health plans scale licensed, HIPAA-trained agents for exactly this scenario. Our approach draws on the playbook in our guide to open enrollment support for health plans. It also reflects lessons from our breakdown of post-AEP Medicare call center outsourcing. Whether you need staffing for one county exit or ongoing medicare advantage plan termination member support, we can help. Our healthcare payer solutions team can model capacity before CMS mails the first notice. Talk to Ameridial today, and turn your next transition surge into your strongest retention story.

Joanna Walter
Joanna Walter
LinkedIn

Vice President – Healthcare, Ameridial

Drives the organization’s healthcare vertical, shaping strategy, client partnerships, and delivery across member and patient engagement services. With over 20 years of experience in healthcare operations, she blends operational excellence with a people-first mindset. Joanna is passionate about building strong client relationships and helping healthcare organizations elevate service quality, improve member satisfaction, and navigate complex, regulated environments with confidence.

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