Dr. Ernest O. is a double board–certified psychiatrist based in Palo Alto, California, with advanced subspecialty expertise in psychopharmacology, psychosomatic (consultation-liaison) psychiatry, and integrative psychiatry. He completed fellowship training in Consultation-Liaison Psychiatry at Stanford Health Care following his psychiatry residency at St. John’s Episcopal Hospital. His clinical background reflects a strong focus on the interface between complex medical illness and psychiatric care. Dr. Ernest O. currently serves as an Attending Psychiatrist at Comprehensive Psychiatric Services and has previously practiced in high-acuity academic and community settings, including Los Angeles General Medical Center and St. John’s Episcopal Hospital. His clinical work emphasizes the thoughtful management of medically complex patients, neuropsychiatric conditions, and treatment-resistant presentations. In addition to his clinical practice, he has contributed to psychiatric literature with peer-reviewed publications on topics such as delirium and myoclonus in liver transplant recipients and pneumocephalus associated with neurocognitive decline, underscoring his academic and research-oriented approach to patient care. Dr. Ernest O. brings a balanced, evidence-based, and integrative perspective to psychiatry, combining rigorous psychopharmacology with attention to medical, psychological, and holistic factors. He values collaborative practice and is committed to supporting interdisciplinary teams in delivering safe, effective, and patient-centered psychiatric care. Areas of Expertise • General Adult Psychiatry • Psychopharmacology • Consultation-Liaison (Psychosomatic) Psychiatry • Medically Complex and Neuropsychiatric Conditions • Delirium and Cognitive Disorders • Integrated and Integrative Psychiatry Approaches • Inpatient and Outpatient Psychiatric Care • Academic Psychiatry and Clinical Research • Diagnostic Evaluation and Complex Case Management • Evidence-Based Medication Management Philosophy of Collaboration: Dr. Ernest O. believes that high-quality psychiatric care is best achieved through respectful, collaborative partnerships that leverage the strengths of each member of the care team. He values clear communication, shared clinical reasoning, and structured support that promotes both patient safety and professional growth. In collaborative relationships, he emphasizes clinical rigor, mutual respect, and openness to integrative perspectives, fostering an environment where advanced practice clinicians can practice confidently and effectively while maintaining high standards of care.

Board Certifications

American Board of Psychiatry and Neurology, American Board of Consultation - Liaison Psychiatry