Dr. David William Zerrien, MD is a seasoned psychiatrist with over 30 years of experience, practicing in Oshkosh, Wisconsin. He graduated from the Medical College of Wisconsin and completed a fellowship in Psychosomatic Medicine at the University of South Florida. Dr. Zerrien specializes in a wide array of mental health conditions including Attention Deficit Disorder (ADD), bipolar disorder, psychotic disorders, anxiety disorders, and major depressive disorders....