Donna Billingsley Ph D. Her primary practice is as a Psychologist, also practicing as a Psychologist: Addiction (Substance Use Disorder), a Psychologist: Cognitive & Behavioral, a Psychologist: Clinical, a Psychologist: Family, a Psychologist: Counseling, a Psychologist: Clinical Child & Adolescent, a Psychologist: Exercise & Sports, a Psychologist: Health, a Psychologist: Health Service, a Psychologist: Psychoanalysis, a Psychologist: Group Psychotherapy, and a Marriage & Family Therapist.