It starts with a call. A sore knee, a lingering cough, a changing mole - nothing urgent - but not quite ignorable. The receptionist is polite, but the first available appointment is three weeks away.For millions of Americans, health care begins with a wait. For many, walk-in clinics have replaced family medicine.“People have started to accept that,” Dr. Dorothy Serna, a primary care physician who left traditional practice for a concierge model, told The Epoch Times. “They think, ‘I can’t get my doctor, so I won’t even try. I’ll just go to urgent care. I’ll wait. I’ll Google it.’”Such scenarios...