Centers of Excellence

A Center of Excellence (COE) designation identifies a hospital or surgical facility that has demonstrated superior outcomes, volume, and quality metrics for a specific procedure or condition — typically complex surgeries like cardiac bypass, joint replacement, bariatric surgery, or transplant. Health plans designate COEs and steer members to them in exchange for covered travel, waived deductibles, or zero out-of-pocket costs that aren't available at standard in-network facilities.

COE programs became prominent when large self-insured employers discovered a counterintuitive truth: sending employees across the country (or internationally) to a high-volume specialty center produces better outcomes at lower total cost than allowing them to use the closest in-network hospital with low volume for the procedure. Walmart's COE program — covering cardiac and spine surgery at specific medical centers with zero employee out-of-pocket — is the most cited example. Outcomes data supports the concept: high-volume surgical centers have consistently lower complication rates, shorter length of stay, and fewer readmissions for complex procedures, which lowers total episode cost even after accounting for travel expenses. The steerage mechanism is typically a combination of financial incentive (no cost share at the COE) and care navigation support (a nurse coordinator who manages logistics, pre-authorization, and post-procedure follow-up).

The takeaway: for employers with a self-funded plan and consistent high-cost procedure claims — joint replacements, cardiac surgeries, bariatric procedures — a COE program can reduce episode cost 20 to 40 percent while improving outcomes. The international equivalent of a COE is a verified preferred provider network, where JCI-accredited facilities with published outcomes data provide all-in pricing for the same procedures at a fraction of the US cost.