Reimbursement change is accelerating, and traditional policy‑driven training is no longer enough. As payer management tightens earlier and account expectations continue to rise, field access teams are expected to interpret complexity, exercise judgment, and adapt in real time. This guide outlines what’s shifting in the reimbursement landscape and introduces a practical capability‑building framework to help Field Reimbursement Managers move from static knowledge to confident, applied decision‑making in an environment defined by continuous change.