T. Martin Ma, MD, PhD, is a board-certified radiation oncologist who specializes in genitourinary and gynecological malignancies. Dr. Ma believes that an evidence-based approach in a multidisciplinary setting is the best way to provide optimal care to patients. His background as a scientist helps him assess clinical evidence and have a balanced discussion with patients. Dr. Ma takes pride in providing high-quality care while keeping his patients informed.

Dr. Ma's clinical expertise includes various radiation modalities for genitourinary cancers (such as prostate, bladder and testicular cancer), and gynecological cancers (such as uterine, cervical and vulvar cancers). He has extensive experience with stereotactic body radiation therapy (SBRT), proton therapy and high-dose rate (HDR) brachytherapy. 

Dr. Ma has a long-standing interest in advanced imaging, including multiparametric MRI, prostate-specific membrane antigen positron emission tomography (PSMA PET/CT) and MRI-guided radiotherapy. He has been a principal investigator and co-investigator on multiple phase I/II and phase III clinical trials. He also serves as an investigator of the international Meta-Analysis of Randomized Trials in Cancer of the Prostate (MARCAP) consortium and has led multiple meta-analyses answering important clinical questions. He is also an Assistant Professor at Department of Radiation Oncology at the University of Washington.