Dr. Jennifer Youngeun O'neill-cha specializes in internal medicine in San Jose area. Dr. Jennifer Youngeun O'neill-cha has a medical practice at 751 South Bascom Avenue, San Jose CA, and has over 5 years of experience in the field of medicine. She graduated from Loma Linda University School Of Medicine with her medical degree in 2012. She is affiliated with numerous hospitals, including Alta Bates Summit Medical Center (CA) and more. Dr. O'neill-cha is accepting new patients at her medical office and practice location in San Jose, California. She is available for appointments, preventative care, medical care as well as ongoing patient care.