This document discusses the collaboration between Johns Hopkins Medicine and DMD to develop an effective physician email marketing program aimed at enhancing awareness of new services, improving referrals, and fostering relationships with physicians. It outlines best practices in email marketing, the importance of data privacy, and the significant roles metrics play in evaluating campaign performance, including open and click rates. The report emphasizes the necessity of innovative strategies in digital marketing and the establishment of reliable digital identification for optimizing outreach efforts.