Dr. Zannos Grekos

A South Florida clinic that promotes controversial stem-cell treatments for a wide range of ailments is among the centers receiving a written warning that…

Dr. ZannosGrekos, a cardiologist who offered controversial office-based stem-cell treatments, developed a following among patients who had run out of…

An administrative law judge says Dr. ZannosGrekos, who is accused of improperly using stem cell treatments and is blamed for the death of a 69-year-old…