McDermott Will & Emery has produced a detailed guide to recent updates, changes, and proposals with regard to how Medicare will pay for, or could pay for, digital health in the coming year.
See the article here, posted on JDSUPRA open access (email registration might be required). The article tallies about 4000 words and 11 pages as a Word document. Authors are posted as Marshall Jackson Jr, Lisa Schmitz Mazur, Michael Ryan, and Dale Van Demark.
See some additional links to Dhealth/Telehealth changes at CMS in my link to the new PFS proposed rule here, one particularly good essay by Foley Lardner here.