roberta greenspan is founder of specialdocs consultants, a healthcare consulting firm. why don't you just define that term for us, first of all? what is concierge care? > > "concierge care" is a much more personalized approach to medical care where the physician goes back to practicing the kind of medicine he always wanted to and has an interpersonal relationship with the patient that allows him to be accessible on a personal level 24/7. > what are the barriers now that prevent the marcus welby kind of model for healthcare from being delivered from the doctor to the patient? > > the barriers today are multiple: i think one of the primary barriers today is that the physician who has increasing overhead and decreasing reimbursements is finding it very difficult to maintain a viable practice. period. > so all the paperwork they have to do and the bureaucracy, the regulation that seems to get in the way. how has this expanded? is this now available across the country? and it's through primary care physicians - they join groups to provide this kind of care. > > actually it i