An Act relative to pharmacy benefit managers reimbursements to pharmacies in the Commonwealth

This bill requires pharmacy benefit managers (PBMs) in Massachusetts to follow specific rules when setting reimbursement rates for pharmacies. PBMs must ensure drugs on their cost lists are therapeutically equivalent, widely available from wholesalers, and not obsolete. Pharmacies can appeal underpayments through a formal process, with PBMs required to respond within 7 business days and adjust rates if appeals are upheld. The law directly affects pharmacies and PBMs, preventing PBMs from reimbursing pharmacies less than what they pay their own affiliated pharmacies for identical services.