Why Do CVS And Express Scripts Rely on Secretive Private Companies to Run Their Copay Maximizer Programs?

The two largest PBMs—CVS Health’s Caremark and Cigna’s Express Scripts—have each partnered with secretive and independent private companies to operate specialty drug maximizer programs for their plan sponsor clients. What’s more, at least one of these private companies earns fees equal to 25% of the manufacturer’s copay support program.