Eight health plans earned the highest 5.0 rating from the National Committee for Quality Assurance (NCQA) for 2019. Five of the plans are operated by Kaiser Permanente. In 2018, 14 plans earned the top 5.0 rating, and nine were operated by Kaiser Permanente. For the 2019 ratings, NCQA studied more than 1,300 health plans and rated 1,131: 438 private (commercial), 475 Medicare Advantage, and 218 Medicaid managed care organization (MCO) plans. The ratings are based on consumer satisfaction with the plan, the plan’s provision of preventive services, and how well the plan’s network professionals . . .