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Top 25 U.S. Health Plans Ranked by Total Medical Enrollment

See Dec. 2014 list update ranking United Healthcare, Anthem, Aetna, Cigna, & Humana as largest plans.

AIS Health has ranked the largest 25 health plans based on December 2013 medical enrollment in all models of fully insured and self-insured health plans [does not included specialty benefit enrollment]. Leading the list are:

  • UnitedHealthcare [40.3 million enrollees]
  • WellPoint [31.2 million]
  • Aetna [21.3 million ]
  • Health Care Service Corporation [13.8 million]
  • Cigna [13.1 million]

Also available for the same period are separate rankings for:

  • Top 10 Blue Cross Blue Shield Organizations by total medical enrollment
  • Top 10 health plans by commercial risk enrollment
  • Self-insured vs. full-insured medical enrollment breakdown for top 10 health plans
  • Top 10 health plans by managed Medicaid enrollment
  • Top 10 health plans by Medicare Advantage enrollment
  • Top 10 health plans by individual [non-group] commercial enrollment
  • Top 10 health plans by total group risk enrollment

The rankings are from the 2014 AIS’s Directory of Health Plans, but a later 2015 edition of the Directory is currently available for sale.

Source: Health plan business – data – enrollment. AIS Health, accessed July 15, 2015 at http://aishealth.com/health-plan-business/data/enrollment  [Free site registration required to view listings] See Dec. 2014 list update.

Related update:

Johnson C. With Anthem-Cigna deal near, the health insurance industry is headed toward a ‘big three’. Washington Post Wonk Blog, July 22, 2015. http://www.washingtonpost.com/blogs/wonkblog/wp/2015/07/22/with-anthem-cigna-deal-near-the-health-insurance-industry-is-headed-toward-a-big-three/

Keckley P. Health insurer consolidation: implications for hospitals and health systems. H&HN Daily, Aug. 3, 2015. http://www.hhnmag.com/Daily/2015/August/keckley-insurer-consolidation-effects

Posted by AHA Resource Center (312) 422-2003,rc@aha.org

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