BILLING NEWS

The Health Insurer With the Largest Individual Market Share in Each State

In at least 37 of 50 states plus the District of Columbia, the three biggest health insurers held 80 percent of the individual exchange market from 2015-17, according to a Government Accountability Office analysis.

The GAO used enrollment data from 2015-17 that health insurers reported to CMS and compared the data to 2011-14 enrollment figures. Some data sets also included other state and federal numbers.
Here are the health insurers with the largest market share in each state's individual health insurance exchange in 2017:

  • Alabama — Blue Cross and Blue Shield of Alabama (100 percent)
  • Alaska — Premera Blue Cross (100 percent)
  • Arizona — Centene Corp. (72.6 percent)
  • Arkansas — Arkansas Blue Cross Blue Shield (68.7 percent)
  • California — Kaiser Foundation (28.3 percent)
  • Colorado — Kaiser Foundation (42.4 percent)
  • Connecticut — EmblemHealth (63.4 percent)
  • Delaware — Highmark (54.7 percent)
  • District of Columbia — CareFirst (83 percent)
  • Florida — Blue Cross and Blue Shield of Florida (58.9 percent)
  • Georgia — WellPoint (48.1 percent)
  • Hawaii — Hawaii Medical Service Association (52.8 percent)
  • Idaho —  IHC (36.1 percent)
  • Illinois — Health Care Service Corp. (66 percent)
  • Indiana — Centene Corp. (35.6 percent)
  • Iowa — Aetna (67 percent)
  • Kansas — Blue Cross and Blue Shield of Kansas (61.3 percent)
  • Kentucky — WellPoint (59.8 percent)
  • Louisiana — Blue Cross and Blue Shield of Louisiana (68.2 percent)
  • Maine — Maine Community Health Options (42.4 percent)
  • Maryland — CareFirst (65.4 percent)
  • Massachusetts — Tufts Health Plan (47.1 percent)
  • Michigan — Blue Cross Blue Shield of Michigan (49.5 percent)
  • Minnesota — HealthPartners (26 percent)
  • Mississippi — Centene Corp. (90.4 percent)
  • Missouri — WellPoint (44.7 percent)
  • Montana — Health Care Service Corp. (43.5 percent)
  • Nebraska — Aetna (56 percent)
  • Nevada — UnitedHealth Group (56.6 percent)
  • New Hampshire — Minuteman Health (43.5 percent)
  • New Jersey — Horizon Blue Cross Blue Shield of New Jersey (68.3 percent)
  • New Mexico — Molina Healthcare (62 percent)
  • New York — New York State Catholic Health Plan (32.9 percent)
  • North Carolina — Blue Cross and Blue Shield of North Carolina (95.6 percent)
  • North Dakota — Noridian Mutual Insurance (71.1 percent)
  • Ohio — CareSource (31.7 percent)
  • Oklahoma — Health Care Service Corp. (100 percent)
  • Oregon — Providence Health Plan (50.4 percent)
  • Pennsylvania — Independence Blue Cross (39.4 percent)
  • Rhode Island — Neighborhood Health Plan of Rhode Island (54.5 percent)
  • South Carolina — BlueCross and BlueShield of South Carolina (100 percent)
  • South Dakota — Avera Health Plans (75.5 percent)
  • Tennessee — BlueCross BlueShield of Tennessee (35.2 percent)
  • Texas — Health Care Service Corp. (27.8 percent)
  • Utah — IHC (55.2 percent)
  • Vermont — Blue Cross and Blue Shield of Vermont (80.7 percent)
  • Virginia — WellPoint (43.6 percent)
  • Washington — Molina Healthcare (23.4 percent)
  • West Virginia — Highmark (79.4 percent)
  • Wisconsin — Molina Healthcare (31 percent)
  • Wyoming — Blue Cross Blue Shield of Wyoming (100 percent)

INDUSTRY NEWS TAGS: Payor


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