Kleanthis Theodoropoulos, MD, PHD

Dr. Hong Ma is an assistant professor of radiology at Columbia University Irving Medical Center. She is board certified in diagnostic radiology, nuclear medicine, and nuclear cardiology.Dr. Ma completed her diagnostic radiology residency training at Mount Sinai West in 2019 and a body fellowship at Columbia University Irving Medical Center in 2020. Prior to her diagnostic radiology training, she completed a three-year residency in nuclear medicine at Montefiore Medical Center in 2015, and a one-year nuclear oncology fellowship training at Memorial Sloan-Kettering Cancer Center in 2016. Dr. Ma has a well-rounded skillset needed to interpret chest and abdominal diseases on multiple modalities, including MRI, CT, ultrasound, fluoroscopy, and radiography. She also has experience in interpreting PET-CT, general nuclear medicine studies, and nuclear stress tests. Dr. Ma gained diverse research experience in prostate cancer, diabetes, and fetal MRI from two master's graduate programs, postdoctoral research, and throughout clinical trainings.

Dr. Lawrence Schwartz is the James Picker Professor and Chairman for the Department of Radiology at Columbia University Medical Center. He also is the Chief of the Radiology Service and Attending Physician at New York-Presbyterian Hospital. Dr. Schwartz earned his medical degree at Boston University School of Medicine, completed an internship at Winthrop University Hospital, a residency at the New York Hospital - Cornell University Medical College and a fellowship specializing in Cross Sectional Imaging (MRI/US/CT) at Brigham and Women's Hospital and Harvard Medical School. He is a diplomate of the American Board of Radiology and a member of the American Roentgen Ray Society, Radiological Society of North America, International Society for Magnetic Resonance in Medicine, New York Roentgen Ray Society, Society for Computer Applications in Radiology and a Fellow at the International Cancer Imaging Society.

Dr. Abu Khan is an Associate Professor of Pediatrics (in Emergency Medicine) at the Columbia University Medical Center. He serves as the Assistant Director of Informatics for Pediatric Emergency Medicine. Dr. Khan is board certified in Pediatrics and Pediatric Emergency Medicine and practices as an Attending at NewYork-Presbyterian Morgan Stanley Children's Hospital.