Since Trump announced that he is taking Hydroxychloroquine and seems to have obliquely mentioned a "Westchester" doctor who has been successfull treating patients with it, It can be assumed that he was listening to Dr. Zelenko without mentioning him by name.
Media talking heads have exploded as soon as he made the announcement denouncing him as being reckless and endangering the lives of Americans.
Trumps physician and Navy Commander,
Doctor Sean P. Conley, released this statement explaining why he prescribed it to Trump: