"Walmart again leads the pack in preferred network participation," wrote Adam Fein, president of Pembroke Consulting and writer of the Drug Channels blog. "Walgreens has a big bet on preferred networks, while CVS and Rite Aid have been more cautious. Independent pharmacies feature prominently in many plans, which should — but probably won't — mute critics of preferred networks."
Based on online plan summary information, Drug Channels developed a table that summarizes the top seven retail pharmacy chains’ participation in major preferred networks.