Dr. Timothy Johnson

Dr. Timothy Johnson is a Senior Medical Contributor for ABC News and one of the nation's leading medical communicators of healthcare information. Previously, Dr. Johnson was the Chief Medical Editor for ABC providing on-air medical analysis for "World News," "Nightline" and "20/20." He has provided commentary on medical problems and answers for viewers of ABC News' "Good Morning America" since the program's debut in 1975. Dr. Johnson has helped spearhead several division-wide reporting efforts...Full Story
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