Fact Based List:

Drug Channels: Top 4 Retail Pharmacy Chain Participation in 2018 Part D Preferred Pharmacy Networks

  1. Walmart: preferred pharmacy for 11.5 million enrollees
  2. Walgreens: preferred pharmacy for 8.7 million enrollees
  3. CVS: preferred pharmacy for 8.5 million enrollees
  4. Rite Aid: preferred pharmacy for 500,000 enrollees

Source: Drug Channels, January 23, 2018
Source URL: http://www.drugchannels.net/2018/01/new-part-d-data-cvs-wins...