Dr. Catherine Marshall is a clinical psychologist practicing in Glendora, California. She offers services to individuals across various age groups, including toddlers (1 to 3), children (5 to 10), preteens (10 to 13), teenagers (13 to 18), and adults (18 to 65). Dr. Marshall addresses a range of concerns such as addiction, alcohol and drug use, anxiety, depression, family stress, general well-being and mental health concerns, parenting, trauma and post-traumatic stress disorder (PTSD), sleeping well, and student life. She provides support through individual, family, and group modalities. Her therapeutic approaches include Cognitive Behavioral Therapy (CBT), Family and Marital Therapy, Family Systems Therapy, Multicultural Therapy, Play Therapy, Art Therapy, and Sandplay Therapy. Dr. Marshall offers services in English (US).