Dr. Phillips graduated with honors from Dartmouth College and Dartmouth Medical School. She did her psychiatry residency at McLean Hospital/Harvard Medical School. She is currently Professor of Psychiatry, DeWitt Wallace Senior Scholar, and Residency  Research Director at Weill Cornell Medical College.

Dr. Phillips is a physician, scientist, educator, and author who has spent her career caring for patients, mentoring/teaching, and conducting groundbreaking scientific research on body dysmorphic disorder (BDD) and other psychiatric disorders. Her research studies on BDD have identified and elucidated many aspects of this common and severe disorder, and she has developed and tested treatments, both medication and therapy, for BDD. Her scientific studies on BDD were continuously funded by the National Institute of Mental Health for more than 20 years.

Dr. Phillips has received many honors and awards for her research, clinical work, and other academic contributions. Her awards include a Special Presidential Commendation from the American Psychiatric Association and the Outstanding Career Achievement Award from the International OCD Foundation for her research studies on BDD.

Dr. Phillips has more than 350 scientific publications (original scientific articles, reviews, letters, and book chapters). She has written or edited 11 books on BDD and other topics, including the first book on BDD. Dr. Phillips has given more than 600 international, national, and local presentations for professionals, including more than 130 Grand Rounds.

Dr. Phillips has served on many national boards and committees. She is an elected Fellow of the American College of Neuropsychopharmacology and a Distinguished Life Fellow of the American Psychiatric Association. She is a member of numerous editorial boards, the American College of Psychiatrists, and the Scientific Advisory Boards of the Anxiety and Depression Association of America and the International OCD Foundation. From 2002-2006 she chaired the National Institute of Mental Health's Interventions Research Review Committee (Scientific Review Group).

To disseminate information about BDD and other topics, Dr. Phillips has done more than 500 media interviews. She has been interviewed by the New York Times, London Times, Wall Street Journal, Los Angeles Times, Washington Post, Boston Globe, Time Magazine, Newsweek, CNN, the BBC, National Public Radio, and many other media outlets. She has appeared on the Oprah Winfrey Show, 20/20, Dateline NBC, the Today Show, and Good Morning America.

Dr. Phillips has been included in Marquis Who's Who in Science and Engineering, Who's Who in Medicine and Healthcare, and Who's Who of American Women. She has repeatedly been included in Who's Who in America, Who’s Who in the World, Best Doctors in America, Castle Connolly’s Exceptional Women in Medicine, and Castle Connolly's America's Top Doctors.