Definition: A Pharmacy benefit manager (PBM) is a company that administers, or handles, the drug benefit program for your employer or health plan.
PBMs process and pay prescription drug claims and are responsible for creating and updating your health plans drug formulary.
Since these companies can buy medications in large quantities directly from the drug companies, they are able to offer you discounts mail order medications.
Also Known As: PBMs
Examples: The largest PBMs in the country are
Medco,
Caremark, and
Express Scripts. These companies provide mail-order drugs to more than 100 million people.