A new study is raising red flags about the composition of market power among pharmacy benefit managers, powerful middlemen in the drug supply chain that are facing heavy scrutiny for their alleged role in increasing U.S. drug costs. Just three PBMs — Caremark, owned by CVS Health; Express Scripts, owned by Cigna; and Optum Rx, owned by UnitedHealth — monopolize pharmacy services, together controlling about 80% of all prescriptions in the country. Yet each appear to be targeting different payer markets, according to the new research, a finding that could prove useful for lawmakers and regulators looking to better understand concentration in the PBM industry.
Read the full article: Major PBMs Could Be Zeroing in on Specific Payer Markets for Dominance, Study Suggests //
Source: https://www.healthcaredive.com/news/pbm-market-share-medicare-medicaid-commercial-caremark-optum-rx-express-scripts/726687