Dr. Karen I Sun specializes in pediatric medicine in San Francisco area. Dr. Karen I Sun, MD has a medical practice at 505 Parnassus Avenue, Ucsf, 505 Parnassus Ave, San Francisco CA, and has over 21 years of experience in the field of medicine. She graduated from Case Western Reserve University School Of Medicine with her medical degree in 1996. Dr. Sun is accepting new patients at her medical office and practice location in San Francisco, California. She is available for appointments, preventative care, medical care as well as ongoing patient care.