Dr. Cynthia Diefenbeck


Cynthia A. Diefenbeck, PsyD, APRN, BC is an Assistant Professor in the University of Delaware School of Nursing. Dr. Diefenbeck holds a Doctor of Psychology in Clinical psychology from Philadelphia College of Osteopathic Medicine, a Master of Science in Nursing specializing in adult mental health from University of Pennsylvania, and a Bachelor of Science in Nursing from University of Delaware. Dr. Diefenbeck is an advanced practice nurse with prescriptive authority and a licensed clinical psychologist. Dr. Diefenbeck has worked in a variety of inpatient and outpatient settings caring for individuals with a wide variety of psychiatric conditions. She currently maintains a caseload in the psychiatric service in the University of Delaware Counseling Center.



  • Newark, DE

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