Dr. Ko is a licensed Internal Medicine in CA. Graduated in 1997. Medical degree obtained from New York Medical College. Completed residency training at Kaiser Permanente. Currently practices at Kaiser Permanente (Kaiser Permanente), located at 3801 Howe St, Oakland, CA 94611. Dr. Ko specializes in internal medicine and primary care.. In addition to English, Dr. Ko speaks Cantonese and accepts new patients.