CIGNA just announced that it will buy pharmacy benefit manager (PBM) Express Scripts for $67 billion. In December, CVS said it would buy Aetna for $69 billion.
Already, UnitedHealth, through its Optum data technology
and OptumRx pharmacy benefit manager subsidiaries, has detailed health care utilization information on over 115
million consumers, four out of five hospitals, 67,000 pharmacies,