When Dr. Paul Heberle was arrested last April, dozens of chronic pain patients were left in agony. One of Heberle's patients called no fewer than 37 doctors seeking care—all of whom refused to see him once he revealed the name of his prior provider. Finally, Robert Holmes, a 40-year-old man who suffers from a lung injury and requires supplemental oxygen to breathe, resorted to visiting a methadone clinic for drug addicts. He was turned away there, too. More than twenty others reported similar experiences at a meeting of patients affected by the arrest. Six would later attempt suicide. For many...