Footnotes
- “Best Health Insurance Companies of 2026,” Insure.com, January 27, 2026. Continue at 1
- Washington Health Alliance 2008–2026 Community Checkup reports, https://wahealthalliance.org/alliance-reports-websites/community-checkup/. The 2017–2026 year rankings apply to Kaiser Permanente Washington’s medical group, Washington Permanente Medical Group, P.C. Rankings for years prior to 2017 apply to the then-named Group Health Cooperative's medical group, formerly named Group Health Permanente, P.C., and now named Washington Permanente Medical Group, P.C. Continue at 2