Who are the big 3 PBMs?
Who are the big 3 PBMs?
For 2022, the three largest pharmacy benefit managers (PBMs)—Caremark (CVS Health), Express Scripts (Cigna), and OptumRx (United Health Group)— increased the number of drugs they excluded from their standard formularies. Each exclusion list contains 400 to 500 products. Jan 19, 2022
