This module introduces Medication Therapy Management (MTM) by exploring the Medicare Modernization Act of 2003 and its significance for MTM programs. It covers the evolution MTM initiatives aimed at reducing hospital readmissions and healthcare costs, outlines CMS requirements for MTM services under Medicare Part D, and identifies target population particularly those with multiple chronic conditions or on multiple medications. The module provides a concise overview of MTM’s role in enhancing medication management and improving health outcomes.