Rebecca Alis, MD

Melanie Moses, MD, MPH, FACR, is an assistant professor of radiology at Columbia University Irving Medical Center and an assistant attending radiologist at NewYork-Presbyterian Hospital. She is the associate chair of diversity, equity, and inclusion for the Department of Radiology. Dr. Moses has provided exceptional clinical care as a body imager for over twenty years. She has contributed to medical student and resident education with didactic and interactive teaching. Her publications, posters, and didactic lectures center on bowel and pelvic imaging. Dr. Moses received her undergraduate degree in the history of science from Harvard University and her medical and public health degree from Yale University. She completed her diagnostic radiology residency at NewYork-Presbyterian/Weill Cornell Medical Center, followed by a fellowship in abdominal imaging at Brigham and Women’s Hospital in Boston. She is dedicated to diversity, equity, and inclusion for patients and health care providers.

Dr. Vincent Frazzini is an assistant professor of radiology at Columbia University Irving Medical Center and an assistant attending radiologist at NewYork-Presbyterian Hudson Valley Hospital. Dr. Frazzini is experienced in all aspects of neuro, musculoskeletal, and body imaging. His clinical and research interests encompass head and neck imaging, dementia imaging, neuro-oncological imaging, and spine imaging. Dr. Frazzini completed his medical degree at Case Western Reserve University and diagnostic radiology residency training at St. Luke’s Roosevelt Hospital Center/ Columbia University, where he served as chief resident. He then went on to complete a neuroradiology fellowship at New York University and a neurovascular research fellowship at the Neurological Institute of New York. He has held leadership positions at private and academic medical centers across the Northeast. He is a member of numerous professional societies, including the Radiological Society of North America, and a senior member of American Society of Neuroradiology, American Society of Head and Neck Radiology, and American Society of Pediatric Neuroradiology.

Mariya Kobi, MD, is a board-certified radiologist specializing in body imaging. She is an assistant professor of radiology at Columbia University Irving Medical Center and an assistant attending radiologist at NewYork-Presbyterian Hospital. Dr. Kobi earned her MD from Albert Einstein College of Medicine. After an internship year in internal medicine at Beth Israel Medical Center in New York, she completed her residency training at Montefiore Medical Center, where she served as chief resident. She then completed an Abdominal Imaging Fellowship, also at Montefiore Medical Center. Her clinical expertise is in multimodality abdominal imaging with a focus on gastrointestinal and genitourinary conditions. She interprets a wide range of imaging examinations including CT scan, MRI, ultrasound, and radiography. Her clinical interests are pre- and post-operative imaging of liver, kidney, and pancreas transplants and virtual colonoscopy. She has had numerous original research articles published, along with contributions to reviews and book chapters, and has given many oral presentations nationally, including at the Society of Abdominal Radiology annual meeting. She is a member of American College of Radiology (ACR), the Society of Abdominal Radiology (SAR), American Roentgen Ray Society (ARRS), and the Radiological Society of North America (RSNA). She serves on ACR quality improvement committees including the Expert Panel on GI Imaging and CT Colonography. See a full list of Dr. Kobi's publications.