At the Greenbrier resort in West Virginia, the poking and prodding of an annual physical is but a hazy memory after a massage and sauna at the five-star spa. In Boston, doctors Jordan Busch and Steven Flier dispense their cell phone numbers to the select few with $4,000 to spare. And at the Cleveland Clinic, the good life is symbolized by a simple golf shirt: Wearers never wait in line for an X-ray, EKG or blood work-up......