Definitions for "Walgreens"
Walgreen Co. , d/b/a Walgreens (without an apostrophe), is a convenience store/pharmacy chain, pharmacy benefit manager (PBM), mail service pharmacy, and specialty pharmacy which operates in the continental United States and Puerto Rico. It operates more than 5,600 retail stores. Walgreens was founded in Chicago, Illinois in 1901 and has since expanded throughout the United States.