Dr. Ruby Chang is a radiologist working in Walnut Creek, California. She has been in practice for the past 19 years. Dr. Chang graduated from the medical school of Rutgers New Jersey in 1998. She had an internship at the California Pacific Medical Center and afterward, she continued with a residency stage at New York Presbyterian Hospital. Dr. Chang is a board-certified specialist in diagnostic radiology. She is affiliated with several medical institutions in her area including the San Leandro Hospital, Eden Medical Center in Castro Valley, John Muir Medical Center in Walnut Creek, Stanford Health Care – ValleyCare in Pleasanton, Sutter Solano Medical Center in Vallejo, Sutter Delta Medical Center in Antioch, Alameda Hospital.