Express Scripts is a pharmacy benefit management company that helps manage prescription drug plans for employers, health insurers, and government programs. They work to reduce costs and improve access to medications for patients by negotiating prices with drug manufacturers and pharmacies. The company offers various services, including mail-order pharmacy, specialty pharmacy, and medication management programs. By streamlining the process of obtaining prescriptions, Express Scripts aims to enhance the overall healthcare experience for patients while ensuring they receive the medications they need in a timely manner.