She is medical director of Stanford Addiction Medicine, program director for the Stanford Addiction Medicine Fellowship, and chief of the Stanford Addiction Medicine Dual Diagnosis Clinic. She is a diplomate of the American Board of Psychiatry and Neurology, and of the American Board of Addiction Medicine. She chaired the Planning Committee for the California Society of Addiction Medicine (CSAM) Annual Addiction Medicine Conference and is the former president of the Addiction Medicine Fellowship Directors Association (AMFDA). She has published over 50 peer-reviewed articles, chapters, and commentaries, and is author of the bestselling book, Drug Dealer, MD: How Doctors Were Duped, Patients Got Hooked, and Why It's So Hard to Stop.