Dr. Mariko Fitzgibbons graduated the medical school from the Northwestern University Feinberg School of Medicine. She did her internship at the Harbor-UCLA Medical Center and completed her residency program at the UCLA Medical Center. She is specialized in radiology and board certified in diagnostic radiology. Dr. Fitzgibbons has been in practice for more than 6 years and is affiliated with the City of Hope Duarte-Comprehensive Cancer Center.