Doctor On Demand, one of the growing number of companies offering physician consultations via mobile video chat, has raised $21 million. Venrock led the Series A round, with participation from Shasta Ventures and Virgin Group Chairman Sir Richard Branson. On top of the financing news, Doctor On Demand said that Venrock partner Bryan Roberts joined the company’s board; the $40-per-visit service is now available on desktop computers; and Comcast* will offer it to U.S. employees.
* Comcast owns NBCUniversal, which is a minority investor in Re/code.
This article originally appeared on Recode.net.