William D. Pierce, PhD

Clinical Psychologist

Dr. William D. Pierce is a Clinical Psychologist in Yankton, SD with special training and skill in identifying and managing psychological disorders. As a Clinical Psychologist, William D. Pierce, PhD performs psychological evaluations and creates treatment protocols. Clinical Psychology is the diagnosis and treatment of mental, emotional, and behavioral dysfunctions. Significant diseases and conditions treated by Clinical Psychologists include phobias, depression, obsessive-compulsive disorder, eating disorders, bipolar disorders, post-traumatic stress disorder, and schizophrenia. Medical tests, procedures and therapies provided by Clinical Psychologists include diagnostic observations and cognitive-behavioral therapy.

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.