Therapist in Temecula, California Andrew M. O'Neill, Therapist

Andrew M. O’Neill, LCSW, helps adults build practical skills to manage mental health challenges and improve daily functioning through evidence-based, compassionate care. Serving individuals across California, he provides individual therapy tailored to each person’s goals, whether they are navigating anxiety, mood instability, or major life transitions. His approach is grounded in helping clients better understand their thoughts, emotions, and behaviors while developing tools that promote long-term resilience and well-being. Andrew specializes in treating anxiety, depression, and bipolar disorder, with additional experience supporting concerns such as ADHD, sleep disturbances, and adjustment to life changes. His clinical style emphasizes collaboration and empowerment, helping clients make meaningful, sustainable changes in their mental health. He incorporates proven therapeutic interventions such as Cognitive Behavioral Therapy (CBT), Acceptance and Commitment Therapy (ACT), and mindfulness-based techniques. These approaches support clients in building awareness, improving coping strategies, and aligning their actions with personal values. Andrew has experience working with diverse populations, including members of the LGBTQ+ community, first responders, and military veterans, and he remains attentive to the unique stressors and strengths everyone brings to therapy. Outside of his clinical work, Andrew enjoys reading, cooking, traveling, spending time outdoors, and being with family.