Walgreens is a pharmacy chain throughout North America . Walgreens provides access to consumer goods and services and pharmacy , health and wellness services in America through its retail drugstores , Walgreens Health Services division and Walgreens Health and Wellness division . Walgreens Health Services offers pharmacy patients and prescription drug and medical plans through Walgreens Health Initiatives Inc. ( a pharmacy benefit manager ) , Walgreens Mail Service Inc. , Walgreens Home Care Inc. , Walgreens Specialty Pharmacy LLC and SeniorMed LLC ( a pharmacy provider to long-term care facilities ) .