Medscape

In August, research by Parks Associates specifically focused on the growth of videoconferencing for physician/patient visits. It predicted that virtual visits are about to triple -- from 5.7 million in 2014 to over 16 million in 2015 -- and will skyrocket to over 130 million in 2018.[4]

In California alone, the firm discovered, nearly 50% households with an broadband Internet connection already use an online health service from a doctor (the national average is 42%).

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That same month, research by Parks Associates forecast that patient visits via videoconferencing alone, the fastest-growing mode of telehealth, are about to triple -- from 5.7 million in 2014 to over 16 million in 2015, and will skyrocket to over 130 million in 2018.[2] Other surveys also forecast dramatic growth.

From the article "Should You Join a Virtual Physician Network?" by Neil Chesanow.