By Beth Braverman
Several start-ups around the country are now promising to deliver a doctor to your door within an hour or two. Apps like Heal in California, Curbside Care in Philadelphia, and Mend in Dallas are all aiming to bring back the old-fashioned house call. Silicon Valley isn’t the only one who sees value in bringing care to the patient. Since 2012, Medicare has been testing a home-based primary care program to see whether it can improve quality of care and stave off the need for a patient to move to a nursing home.