Dr. Mark Ou, MD is a board‑certified Family Medicine physician serving patients in Chino, California. He graduated from the University of California, Irvine School of Medicine and has been practicing for more than 20 years.
He is affiliated with Pomona Valley Hospital Medical Center and San Antonio Regional Hospital, where he collaborates with specialists to provide comprehensive care. Known for his approachable style, Dr. Ou emphasizes preventive medicine, chronic disease management, and patient education, ensuring families receive care that is both compassionate and thorough.
Philosophy of Care
Dr. Ou believes in family‑centered, preventive care. He treats patients of all ages, focusing on wellness, continuity of care, and long‑term relationships built on trust. His practice emphasizes clear communication, preventive screenings, and proactive management of chronic conditions.