Letters, Statements & Analysis July 29, 2021 AMCP Urges HHS to Extend Medicare Part D Enhanced MTM Model On July 28, AMCP signed a Medicare Part D stakeholder letter urging HHS to extend the Enhanced Medication Therapy Management (EMTM) Model which is currently set to expire on December 31, 2021. Medicare Part D, Medication Therapy Management (MTM), Payment Systems, Medicare Part D