In our series of opinion pieces on questions that companies should be asking their carrier at all times, one of the most important one is related to non-optimized pharmacy spend and variability in drug costs. Everyone claims to be offering a transparent PBM. The question is, if it really is transparent or not? We have seen drug prices such as $498 and $166 for the same drug in the same region at retail stores depending on the PBM the employer is on. The difference is around $222 to up to $332 per drug. We are talking about savings of anywhere between 1 to 5% on overall healthcare costs.