Summary
Project Abstract Enrollment in Medicare Advantage (MA), the privatized segment of the Medicare program, has rapidly increased with roughly 50% of Medicare beneficiaries enrolling in an MA plan. Under the MA program, private plans are paid risk-adjusted capitated payments to deliver the Medicare benefit. These plans have discretion to implement utilization management tools and narrow provider networks to control costs. Beneficiaries enrolled in MA receive benefits not available in traditional Medicare (TM) including out-of-pocket maximums and supplemental benefits (e.g., vision and dental cove