A pharmacy benefit manager (PBM) is a third-party administrator of prescription drug programs for end-payers, such as private insurers. PCA Rx is a full-service PBM with a goal of reformulating what that means by emphasizing the relation ships and communication encompassed in the pharmacy world. PCA Rx practices being personal pharmacy clinical advisors (PCA) and giving our clients the ultimate comfort that they will be taken care of, and the control over their well-being.