What pharmacies are considered in-network with my BCBSIL Part D Prescription Drug Plan? Ryan Kennelly September 23, 2016 19:44 Updated Follow The major pharmacies in Illinois part of the BCBSIL Part D pharmacy network are: Albertson's (Jewel Osco) Walgreens Walmart Related articles Medicare Words and Acronyms I have BlueCross BlueShield of IL HMO BlueCare Direct. Where can I get a flu shot? How can I learn more about my Blue Cross Blue Shield Illinois benefits? Comments 0 comments Please sign in to leave a comment.