Diana Hearst Ikeda. Her primary practice is as a Psychologist: Cognitive & Behavioral, also practicing as a Psychologist: Addiction (Substance Use Disorder), a Psychologist: Clinical, a Psychologist: Family, a Counselor: Addiction (Substance Use Disorder), a Counselor: Mental Health, a Psychologist, a Psychologist: Adult Development & Aging, a Psychologist: Counseling, and a Psychologist: Clinical Child & Adolescent.