Dr. Sierra Ferguson, M.D., M.Sc., is a Board Certified Psychiatrist in both General Psychiatry and Addiction Psychiatry. She is a Clinical Assistant Professor of Psychiatry at the Icahn School of Medicine at Mount Sinai Hospital in New York City, NY. She completed her residency training at the Icahn School of Medicine at Mount Sinai Hospital and addiction psychiatry fellowship training at the NYU Langone Medical Center. She maintains a private practice in Manhattan and Upper Grandview, NY. She has expertise in general psychiatry and addiction psychiatry. She treats a range of conditions including mood and anxiety disorders.