Fact Based List:

Mark Farrah: Top Medicare Part D organizations, by market share

  1. CVS Caremark - 24.0%
  2. United Health - 21.2%
  3. Humana - 19.3%
  4. Express Scripts - 9.7%
  5. Aetna - 8.5%
  6. WellCare - 4.3%
  7. Cigna - 3.1%
  8. Envision INS Co - 2.0%
  9. HCSC - 1.4%

Source: Mark Farrah, Medicare PDP Membership up 400,000 Year-over-year
Source URL: http://www.markfarrah.com/healthcare-business-strategy/
Notes: For organizations with more than 300,000 members