sarah mueller is a nurse who makes those housecalls and andrew komer. >> i'm the executive vice president much is the patient pay? >> the patient pays in that sense, the patient just pays for the actual visit so they may pay $100 for physical or $200 for the actual outcome. john: most of the cases you saw without having anybody do a house call 60% conversation via tax. >> you press a button and within seconds you can chat with their nurse and there in there are couple of routes. not every case we can solve for so we want to make sure we get you on the best path as quickly as possible so you sometimes people need to go to the er but in the cases we can solve 60% of the time we will solve that over the phone. it could be in a video, could be over the phone and 40% of the time we believe that it's best served by coming to the house. john: so sarah you go to the house. what mostly do you do? >> as a nurse for pager i delivered flu shots into electric screenings, we call them house chats. john: when you show up u-haul to send? >> i have a backpack here that i take with me. someone can request