He lost a battle with leukemia overnight.
Doctor Dan worked for ABC News in the 1990s. Dan also founded American Medical Television, the Medical News Network and WebMD.
He is survived by his wife, ABC News correspondent Lisa Stark.
He lost a battle with leukemia overnight.
Doctor Dan worked for ABC News in the 1990s. Dan also founded American Medical Television, the Medical News Network and WebMD.
He is survived by his wife, ABC News correspondent Lisa Stark.