Clinical Staff


Assistant Professor of Clinical Psychiatry
Psy.D., 2019
Philadelphia College of Osteopathic Medicine 

Hillary Ammon, Psy.D., is an Assistant Professor of Psychiatry at the University of Pennsylvania’s school of medicine, and a licensed clinical psychologist at the Center for the Treatment and Study of Anxiety (CTSA). She is also a member of the consultation team at the Penn Collaborative for CBT and Implementation Science. She received her bachelor’s degree from Millersville University in 2012, a master’s degree from Rosemont College in 2014, and her doctoral degree in clinical psychology from Philadelphia College of Osteopathic Medicine in 2019. She has a strong interest and clinical background in anxiety disorders, OCD, PTSD and trauma disorders, depressive disorders, ADHD, and cognitive behavioral interventions/EBPs. She worked under Dr. Mary Anne Layden at the Center for Cognitive Therapy for two years and Dr. J. Russell Ramsay at the Adult ADHD Treatment and Research Program for one year during her graduate studies and completed her internship at Friends Hospital (Philadelphia, PA) in 2019. She completed her two-year postdoctoral fellowship at the CTSA. Dr. Ammon specializes in EX/RP, PE, HRT, and cognitive behavioral interventions for panic disorder, social anxiety disorder, specific phobias, generalized anxiety disorder, perinatal anxiety disorders, body-focused repetitive behavior disorders, and ARFID. She works with adults, adolescents, and children.  Dr. Ammon is also involved in clinical teaching, supervision, and consultation of these treatments.  

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