Contact Information


Clinical Interests and Treatment Focus

  • Depression and Anxiety
  • Trauma
  • Existential Issues
  • Medical Psychology
  • Functional Neurological Disorders
  • Conversion and Somatoform Disorders
  • Neuropsychological and Psychological Assessment

As a psychologist, Dr. Liddell enjoys forming meaningful connections with others and helping them achieve their personal goals whenever possible. He is a licensed psychologist in Utah and Arizona. He has experience in general clinical/counseling psychology, medical psychology, neuropsychological and psychological assessment, rehabilitation psychology, and psychotherapy. He is trained in evidence-based treatments for trauma, depression, anxiety, insomnia, chronic pain, and functional neurological disorders. 

His clinical interests include the evaluation and treatment of anxiety and depression, trauma/PTSD, and insomnia. He also has a unique interest in medical psychology and enjoys working with individuals struggling with functional neurological disorders, conversion or somatoform issues, tic disorders/Tourettes, or psychological adjustment to medical conditions or injury. His ideal patient is someone who is brave enough to be vulnerable and look inward. He finds that therapy works best when both parties are unafraid to be fully honest, both with themselves and with each other, even if it is uncomfortable or scary. 

Beyond that, he loves it when a person is ready to put in some work outside of sessions. He is most proud professionally when he can sit in the same space with a patient and both parties can acknowledge that the patient is achieving their goals, feeling better, and experiencing positive growth.


  • B.S. - Brigham Young University, Provo, Utah
  • M.A. - Boston College, Chestnut Hill, Massachusetts
  • Ph.D. - Arizona State University, Tempe, Arizona


  • Clinical Psychology Predoctoral Internship - George A. Wahlen VA Medical Center, Salt Lake City, Utah
  • Clinical Psychology Postdoctoral Fellowship - Edith Nourse Rogers VA Medical Center, Bedford, Massachusetts