WELL, THIS IS THE 21ST CENTURY, YOU KNOW: An Uber For Doctor Housecalls. “Heal is a smartphone app similar to the on-demand car service Uber, but instead of a car, a doctor shows up at your door. Users download the app and then type in a few details such as address and the reason for the visit. After adding a credit card and a request for a family doctor or a pediatrician, the physician arrives in 20 to 60 minutes for a flat fee of $99. Heal began in Los Angeles in February, recently expanded to San Francisco and is set to roll out in another 15 major cities this year.”