Oregon's ACA marketplace enrollment dropped 16.5% as enhanced subsidies from the American Rescue Plan and Inflation Reduction Act began phasing out — a decline steeper than the national average and concentrated in rural and lower-income communities that overlap heavily with Oregon's Medicaid-adjacent population.

The enrollment decline creates a coverage gap that feeds directly into CCO economics. When individuals lose marketplace coverage, many cycle into Medicaid eligibility (increasing CCO enrollment and costs) or become uninsured (increasing uncompensated care at safety-net hospitals that CCOs depend on). Either pathway increases financial pressure on a system already operating at the margin.

Combined with the PacificSource exit and proposed federal Medicaid cuts of $11 billion over five years, Oregon's coverage landscape is contracting from multiple directions simultaneously. The 10.2% CCO rate increase — meaningful in isolation — cannot offset the cumulative impact of marketplace erosion, CCO financial instability, and potential federal funding reductions. For healthcare operators, the planning assumption should be that Oregon's payer mix deteriorates further in 2026-2027, with Medicaid carrying a larger share of patients and commercial coverage shrinking.

PacificSource's exit from Lane County was the most disruptive CCO transition in Oregon Medicaid history. After posting a $68.5 million loss, PacificSource withdrew from the OHP market in Lane County, forcing approximately 90,000 members to transition to Trillium Community Health Plan.

The scale of dislocation was staggering. Lane County is Oregon's fourth-largest county by population, and 90,000 members represent roughly one in four residents. Provider networks had to be rebuilt. Patients with established care relationships faced disruption. Primary care practices that had contracted with PacificSource needed new Trillium agreements — and not all providers were willing or able to accept Trillium's terms and rates.

PacificSource's loss was not an anomaly — it was the most visible symptom of structural CCO financial stress. Oregon's Medicaid managed care model depends on CCOs absorbing actuarial risk. When medical costs outpace capitation rates, CCOs bleed cash. When losses become unsustainable, they exit markets. The question now: is Trillium financially positioned to absorb 90,000 new members, or does the Lane County crisis simply shift from one CCO to another? Providence Oregon, the state's largest health system, has been losing $100 million annually for four consecutive years. The financial stress is systemic, not isolated.

The Oregon Health Authority announced a 10.2% aggregate rate increase for Coordinated Care Organizations in 2026 — the largest adjustment in recent memory. But buried in the rate-setting details was a structural change with major downstream impact: OHA eliminated dental directed payments in the transition to a new rate model.

Dental directed payments had functioned as a protected carve-out, ensuring that a defined portion of CCO capitation flowed specifically to dental benefits. Without them, CCOs have full discretion over dental spending within their global budgets — creating risk that dental reimbursement gets squeezed as medical costs escalate. For dental practices serving OHP patients, this is the single most important policy change of the year.

The 10.2% increase sounds generous, but it arrives against a backdrop of CCO financial distress that the rate adjustment alone cannot resolve. Multiple CCOs posted significant losses in 2025. The fundamental tension: OHA needs CCOs to be financially stable enough to serve 1.4 million Medicaid members, but rate increases translate directly into state budget pressure — especially with $11 billion in proposed federal Medicaid cuts threatening the matching funds that make the whole system work.