David Drew Pinsky , best known as Dr. Drew, is an American board-certified internist, addiction medicine specialist, and radio and television personality. He has hosted the nationally syndicated radio talk show Loveline since the show's inception in 1984. On television, he hosts the talk show Dr. Drew on HLN, as well as the daytime series Lifechangers on the The CW. In addition, he serves as producer and stars in the VH1 show Celebrity Rehab with Dr. Drew, and its spinoffs Sex Rehab with Dr. Drew and Celebrity Rehab Presents Sober House.