Dr. Dianne DeKeyser offers wide and varied experiences in outpatient and inpatient psychiatry, including treatment for depression, anxiety, and substance abuse among others, with clinical experience at Banner, Mercy and Avera Hospital systems. She joined Serenity Mental Health Centers after completing her residency at New York Medical College and practicing in the Midwest for nearly fifteen years.  Dr. DeKeyser has a passion for supporting everyday people in achieving their full potential, fulfilling personal dreams and experiencing a better quality of life. For this reason, she is excited to join Serenity and participate in treating patients with highly effective alternative therapies such as TMS and Ketamine.