OAKLAND, Calif., Sept. 19, 2013 /PRNewswire/ -- Kaiser Permanente Medicare plans continue to demonstrate that they are the best in the nation, ranking No. 1 in a published report by the National Committee for Quality Assurance for the third year in a row. (Logo: http://photos.prnewswire.com/prnh/20130718/SF49717LOGO) The " NCQA's Health Insurance Plan Rankings 2013–2014" report is published annually and ranks health plans — Medicare, Medicaid and Private (Commercial) — in three categories, including customer experience, prevention and treatment. For the third year in a row, a Kaiser Permanente Medicare health plan is No.1 in the nation: Kaiser Permanente Southern California, which has been the nation's top Medicare plan for two years running. In 2011, Kaiser Permanente Northern California was top-ranked. In addition, Kaiser Permanente Medicare plans hold the top five spots in the 2013-2014 rankings; Kaiser Permanente Northern California was No. 2, followed by Kaiser Permanente Northwest, Kaiser Permanente Colorado, and Kaiser Permanente Hawaii. These five regions account for 8.2 million of Kaiser Permanente's more than 9.1 million members. All eight Kaiser Permanente Medicare plans were in the top 16, which means all eight Kaiser Permanente plans are in the top 4 percent out of the 405 plans that were ranked. In the Commercial rankings, Kaiser Permanente has three plans among the top 10 nationally for the second year in a row, including the second-highest ranked plan in the U.S., Kaiser Permanente Northwest. Also in the Top 10 were Kaiser Permanente Northern California (No. 7) and Kaiser Permanente Ohio (No. 10). All eight Kaiser Permanente Commercial plans are among the top 25 plans and therefore among the top 6 percent of the 484 ranked national plans. All Kaiser Permanente plans ranked highest in both Medicare and Commercial in the regions or states they serve.