Dr. Chern is a licensed General Surgery in CA. Graduated in 2002. Medical degree obtained from Rutgers New Jersey Medical School. Completed residency training at Brown University and fellowship training at UMDNJ. Currently practices at UCSF Health (UCSF Health), located at 550 16th St, San Francisco, CA 94158. Dr. Chern specializes in Anal cancer, Colon cancer, Constipation, Crohn's disease, Incontinence, Pelvic floor disorders, Rectal cancer, Ulcerative colitis.. In addition to English, Dr. Chern speaks Mandarin and Cantonese.