Dr. Nicole M. Karst is a licensed clinical psychologist in California who provides high-quality, confidential therapy for adults seeking specialized treatment for substance use disorders, addictions, and traumatic stress. She offers individualized, concierge-level psychological services for high-achieving professionals, executives, and adults who require a discreet and highly skilled clinician.

As a Doctor of Psychology of Clinical Forensic Psychology, Dr. Karst has extensive expertise in evidence-based addiction treatment, trauma-informed therapy, and the assessment of complex co-occurring disorders. She has worked across premier treatment environments—including residential programs, partial hospitalization programs, intensive outpatient settings, and private practice—giving her a comprehensive perspective on the full spectrum of substance use treatment.

Her clinical work is deeply informed by over twenty years of combined experience in psychology, behavioral health leadership, and military service as a Fleet Marine Force Corpsman. This background uniquely positions her to support adults dealing with chronic trauma exposure, PTSD symptoms, high-pressure occupational stress, anxiety, depression, and executive burnout. Clients who work with Dr. Karst value her calm presence, clinical precision, and ability to understand the unique emotional demands faced by individuals in leadership, entrepreneurial, or public-facing roles.

In addition to her private practice, Dr. Karst taught advanced ethics, clinical supervision, and chemical dependency treatment at the California School of Professional Psychology. She also served in leadership roles within the San Diego Psychological Association, including President and Committee Chair. She frequently delivers trainings on behavioral ethics, Written Exposure Therapy, and evidence-based approaches for addictive and eating disorders.

Dr. Karst’s therapeutic style is collaborative, strategic, and highly personalized. She integrates research-supported interventions with a warm, grounded therapeutic relationship. She maintains a limited caseload to ensure exceptional privacy, accessibility, and depth of care for her clients.

Adults seeking a psychologist in San Diego, La Jolla, or greater California for addiction therapy, trauma therapy, individual psychotherapy, or high-end mental health support will find Dr. Karst’s approach to be both effective and discreet. Her work is well-suited for clients who view therapy as an investment in long-term resilience, emotional clarity, and high performance.