flex spending account. reporter: yummy mummy is an approved provider for several major insurer, and that s the key because most plans will only pay for your pump if it s from an in-network medical equipment provider, not a retail store. that s why across town at the upper breast side, business isn t exactly gushing. i do know there s a decrease in breast pump sales. reporter: and try to help customers get their insurance to pay for pumps is not easy. it is absolute chaos. you can t get a straight answer. the people that you re calling don t have answers for you. and it was just frustrating. at one point i told the lady, i just want to pump milk for my baby. you know, help me. reporter: the new benefit has also created a supply crunch. medela, one of the biggest pump makers, says it s added 50% more capacity to meet the increase in demand. who knew there would be a rush on breast pumps? right. you could sort of forecast it, you know, they re free all of a sudden. repor
simplified billing collection practice is very attractive. a lot of us hunger for a simpler structure to our practices where it could just be about the care we give to our patients. reporter: but in this rural community, dr. clark felt he simply couldn t turn away his many senior patients who are reliant on medicare. and some experts say other groups would also be vulnerable. there are not that many patients who would be able to put up with this. some very rich patients, of course, they could do this. but a lot of low-income people couldn t afford the fees. reporter: but with endless bureaucracy and costs that often seem out of control, some doctors are trying different tactics to stay in business. these cash-only practices are still quite rare, but they are on the rise. a survey from medscape finds only 6% of physicians don t take insurance. but that s up a little bit. it s up from 4% last year. coming up, yummy mummy is