Pew Charitable Trusts is urging Congress' Medicare payment advisers to recommend that lawmakers allow Part D (drug) plans to lock beneficiaries into certain pharmacies or physicians to cut back on opioid abuse. Pew says that locking beneficiaries into certain pharmacies or prescribers is a pro-active way for plans to address drug abuse, and such a program can be built with enough safeguards to make sure beneficiaries' legitimate access to these medications is not at risk. Beneficiary lock-in programs, which Pew...