Mariko Fitzgibbons is a Radiologist in South Pasadena, California. Dr. Fitzgibbons has been practicing medicine for over 14 years is highly rated in 6 conditions, according to our data. Her top areas of expertise are Renal Cell Carcinoma (RCC), WT1-Related Wilms Tumor Syndromes, ALK-Positive Non-Small Cell Lung Cancer, and Neuroendocrine Tumor.