Humana’s shift from fee-for-service medicine to value-based payments for physicians continues to reduce costs and improve quality of care for seniors enrolled in Medicare Advantage plans, the insurer says, citing a new internal study. Medical costs were nearly 16% lower for seniors enrolled in Humana Medicare Advantage plans that paid physicians via value-based models in 2017 compared to costs of those in traditional fee-for service Medicare, the Louisville-based insurer’s study, released Tuesday showed. Medicare Advantage plans contract with the federal government to provide extra benefits and services to seniors, such as disease management and nurse help hotlines, with some even providing vision and dental care and wellness programs.