Dr. Amanda von Horn joined the Vanderbilt faculty in 2025 and serves as Division Director of Addiction Psychiatry, Associate Program Director for the Vanderbilt Addiction Psychiatry Fellowship, and Assistant Professor of Psychiatry and Behavioral Sciences. She also serves as the co-Principal Investigator for the state-funded Middle TN Opioid Addiction Treatment Hub at Vanderbilt.

Prior to joining the Vanderbilt faculty, Dr. von Horn served as the Division Director of Addiction Psychiatry for Tufts Medical Center in Boston, MA from 2021 a 2025. There, her clinical work included serving as the attending physician for the inpatient Addiction consult service. She also created and staffed the outpatient Addiction Bridge clinic to provide a continuum of care for underserved patients with substance use disorders, as well as a consultation clinic to provide collaborative SUD-focused evaluations for colleagues in Internal Medicine, Infectious Disease, Pain Medicine, and Transplant Hepatology.

Dr. von Horn is a passionate clinician-educator. While at Tufts, she led, revised and expanded the Addiction and Substance Use Disorders curriculum for the general psychiatry residency program, and lectured regularly on substance-related and addictive disorders across numerous medical education contexts, including serving as a Course Director for the Tufts University School of Medicine in 2025. She has received numerous teaching awards for her work with residents, medical students, and fellows.

Dr. von Horn’s scholarly interests include Addiction consultation and liaison models of care, medical education, and physician health programs. She has served on the Board of Directors for the Massachusetts Physician Health Program from 2021-2025.

Dr. von Horn received her MD degree from the University of Wisconsin-Madison School of Medicine and Public Health. She went on to complete her training in General Psychiatry and Addiction Psychiatry at Boston University School of Medicine. She is board-certified in General Psychiatry, Addiction Psychiatry, and Addiction Medicine.