Welcome New Faculty

Dwight Aberle, MD

Assistant Professor of Radiology

Dr. Dwight Aberle joined our faculty in April in the Division of Abdominal Imaging. He is an assistant professor of radiology at Columbia University Irving Medical Center and an assistant attending radiologist at NewYork-Presbyterian. Dr. Aberle completed his residency at Columbia Radiology—where he served as chief resident—and then went on to complete an Abdominal Imaging Fellowship with the department before joining our faculty.

Rebecca Alis, MD

Assistant Professor of Radiology

Dr. Rebecca Alis joined our faculty in June at NewYork-Presbyterian Hudson Valley Hospital. She is a board-certified radiologist who specializes in breast imaging. She has fellowship level training and expertise in mammography, breast ultrasound, breast MRI and all modes of breast biopsies.

Dr. Alis is an assistant professor of radiology at Columbia University Irving Medical Center. She has been an assistant attending for more than 15 years. She has held teaching positions, including the fellowship director at Montefiore Medical Center, where she also coordinated resident education in mammography. She has made numerous presentations and been published in her field. Dr. Alis is a member of Radiology Society of North America (RSNA) and Society of Breast Imaging.

Amichai Erdfarb, MD

Associate Professor of Radiology

Dr. Amichai J. Erdfarb joined our faculty in July as chief of radiology at NewYork-Presbyterian Hudson Valley Hospital. Dr. Erdfarb is experienced in all aspects of neuroimaging with a clinical focus on CT and MR cross-sectional imaging of the head, neck, and spine, including the diagnosis and evaluation of acute stroke, inflammatory diseases, infection, degenerative disease, cancer, and congenital disorders.

Dr. Erdfarb received his Bachelor of Arts summa cum laude in biology and chemistry from Yeshiva University and was awarded his Doctor of Medicine with Honors from the Yale School of Medicine. He completed both his residency in diagnostic radiology and fellowship in neuroradiology at Montefiore Medical Center. He is board certified by the American Board of Radiology, including subspecialty certification in neuroradiology. Prior to joining the Columbia faculty, Dr Erdfarb served as the chief of radiology at the Montefiore Medical Center Wakefield Campus and director of quality and safety for the Montefiore Department of Radiology.

Dr. Erdfarb's research focuses on radiation dose monitoring and reduction, acute stroke imaging, quality and safety, process improvement, reducing patient and procedure errors, and dual-energy/spectral CT imaging. His work has been published in peer-reviewed journals and presented at invited lectures.

Milana Flusberg, MD

Associate Professor of Radiology

Dr. Milana Flusberg is a fellowship-trained abdominal radiologist with 13 years of dedicated abdominal imaging experience. She joined our Division of Abdominal Imaging in August. Dr. Kobi is an associate professor of radiology at Columbia University Irving Medical Center and an associate attending radiologist at NewYork-Presbyterian Hudson Valley Hospital.

Dr. Flusberg's areas of expertise include hepatopancreaticobiliary, gynecologic, and pelvic floor imaging. She is actively involved in research and teaching, with more than 35 peer-reviewed journal articles and numerous educational exhibits. She regularly speaks at national conferences on a range of topics in gastrointestinal and genitourinary imaging and co-chairs the Pelvic Floor Dysfunction Diseased Focus Panel for the Society of Abdominal Radiology.

Vincent Frazzini, MD

Assistant Professor of Radiology

Dr. Vincent Frazzini joined our faculty in June at the NewYork-Presbyterian Hudson Valley Hospital location. He is an assistant professor of radiology, 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.

William Gomes, MD, PhD

Associate Professor of Radiology

Dr. William Gomes joined the Division of Neuroradiology in the spring of 2022. He is a board-certified neuroradiologist with specific clinical and research interests in the neuroimaging of children and patients with epilepsy. He is an associate professor of radiology at Columbia University Irving Medical Center in the Division of Neuroradiology. Dr. Gomes received his MD, as well as a PhD in neuroscience, through the Medical Scientist Training Program at the Albert Einstein College of Medicine. He completed a medical internship at Long Island Jewish Medical Center, followed by diagnostic radiology residency and neuroradiology fellowship training at Montefiore Medical Center. He has previously served as assistant professor of radiology at the Albert Einstein College of Medicine/Montefiore Medical Center and associate professor of radiology at New York Medical College/Westchester Medical Center.

David Hirschl, MD

Assistant Professor of Radiology

Dr. David Hirschl joined our Division of Interventional Radiology in July. He is a board-certified radiologist with specialization in vascular and interventional radiology. He is an assistant professor of radiology at Columbia University Irving Medical Center and an assistant attending radiologist at NewYork-Presbyterian Hospital. Dr. Hirschl practiced at Montefiore Medical Center for eight years prior to being recruited to Columbia. 

Dr. Hirschl’s clinical expertise encompasses a variety of minimally invasive procedures including the diagnosis and treatment of various malignancies, uterine fibroid embolization (UFE), venous access, and pulmonary embolism intervention.

Dr. Hirschl completed his medical school training at Albert Einstein College of Medicine and his internship at Yale New Haven Hospital. His post-graduate training includes a diagnostic radiology residency and vascular-interventional radiology fellowship at Montefiore Medical Center, Bronx, New York. He is a member of the Society of Interventional Radiology and The American College of Radiology.

Daniel Kadosh, MD

Assistant Professor of Radiology

Dr. Daniel Kadosh joined our Division of Emergency Radiology after completing the Pediatric Imaging Fellowship at Columbia Radiology. He is an assistant professor of radiology at Columbia University Irving Medical Center and an assistant attending radiologist at NewYork-Presbyterian. He completed his diagnostic radiology residency at Westchester Medical Center/New York Medical College.

Barry Kanner, MD

Assistant Professor of Radiology

Dr. Barry Kanner joined our Division of Interventional Radiology this June. He is a board-certified radiologist with specialization in vascular and interventional radiology. Dr Kanner was the former director of interventional radiology at White Plains Hospital and division chief of interventional radiology at Westmed Medical Group.

Dr. Kanner's clinical expertise includes minimally invasive treatment of pain and bleeding caused by uterine fibroids using uterine fibroid embolization (UFE). He has been performing the UFE procedure for nearly 25 years and also performs image guided embolization for patients suffering from pelvic congestion syndrome or varicocele. In addition to fibroid related disease and male infertility, Dr. Kanner has extensive experience in the establishment and maintenance of hemodialysis access, angioplasty and stent placement for peripheral vascular disease, image guided biopsy, IVC filter placement or retrieval, urologic procedures, and venous access for oncology patients.

Dr. Kanner completed his medical school training at New York University and his internship at St. Vincent's Medical Center in Manhattan. His post-graduate training includes a diagnostic radiology residency as well as fellowships in body imaging and vascular/interventional radiology at NYU Medical Center and Bellevue Hospital. 

Mariya Kobi, MD

Assistant Professor of Radiology

Dr. Mariya Kobi joined our Division of Abdominal Imaging in August. She 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.

 Jade L'Heureux

Assistant Professor of Radiology

Dr. Jade L’Heureux joined our Division of Abdominal Imaging in June. He is an assistant professor of radiology at Columbia University Irving Medical Center (CUIMC) and an assistant attending physician at NewYork-Presbyterian Hospital. 

Dr. L’Heureux earned his medical degree from the University of Pennsylvania. He started his training in surgery as an intern at the University of California San Francisco East Bay Surgery Program but quickly realized that his calling was radiology. He transitioned to a radiology residency in New York at Staten Island University Hospital.

Dr. L’Heureux completed a fellowship in vascular and interventional radiology at University of California San Diego, and then joined private practice groups in Florida and later in California.  He joined CUIMC's Department of Radiology to pursue his interests in teaching and research. Dr. L’Heureux has a passion for vascular radiology and is excited to bring his previous interventional radiology experience to diagnostic vascular imaging at Columbia.

Philip Lichtenstein, MD

Assistant Professor of Radiology

Dr. Philip Lichtenstein joined our faculty in April in the Division of Abdominal Imaging. He is an assistant professor of radiology at Columbia University Irving Medical Center and an assistant attending radiologist at NewYork-Presbyterian. He completed his residency, followed by an Abdominal Imaging Fellowship at Columbia Radiology before joining as faculty. 

Diana Marin, MD

Assistant Professor of Radiology

Dr. Diana Marin joined our pediatric radiology division in June. She is double board certified in diagnostic and pediatric radiology. Dr. Marin completed her medical school training at the University of Antioquia in Colombia. She immigrated to the United States for her internship and a Diagnostic Radiology Residency at Mount Sinai Medical Center. She completed a Pediatric Radiology Fellowship at Cincinnati Children’s Hospital. 

Dr. Marin has provided a full range of imaging services to pediatric populations and referring physicians in children’s hospitals in the United States and Qatar. She has clinical expertise in pediatric musculoskeletal imaging. She is also involved in and passionate about charity missions to provide imaging services to the children in underdeveloped countries.

Kevin Mennitt, MD

Assistant Professor of Radiology

Dr. Kevin Mennitt joined our faculty in July at NewYork-Presbyterian (NYP) Hudson Valley Hospital. He is a body radiologist with a particular interest in novel MRI applications.

Dr. Mennitt completed his radiology residency and a fellowship in body and musculoskeletal MRI at NYP/CUIMC. He then joined the faculty of NYP/Weill Cornell Medicine, where he served as chief of body MRI and MRI safety officer. He also served as co-director of the NYP Pharmaceutical, Policies, and Procedures Committee, where he developed and revised NYP policies and procedures for radiology pharmaceuticals.

A passionate educator, Dr. Mennitt is a regular lecturer to residents and medical students. He was awarded Teacher of the Year by the Weill Cornell Medical College radiology residents, recognizing his excellence in teaching. 

Dr. Mennitt has presented lectures in the NYC metropolitan area, nationally, and internationally. He has authored or co-authored many peer-reviewed journal articles. Dr. Mennitt enjoys collaboration with colleagues in other medical specialties. He has been a primary investigator (PI) or co-PI on several research projects with funding.

At NYP/Weill Cornell, Dr. Mennitt helped develop the first emergency radiology division, an initiative that drastically improved patient care. Concurrently, he was also involved in the development of a musculoskeletal radiology division, which has since expanded dramatically. He joined Columbia Radiology at NYP Hudson Valley Hospital in 2022, where he continues to be a part of the hospital’s mission to provide the highest level of patient treatment and care.

Alimohammad Moalem, MD

Assistant Professor of Radiology

Dr. Alimohammad Moalem joined our Division of Emergency Radiology as assistant professor of radiology at Columbia University Irving Medical Center and assistant attending radiologist at NewYork-Presbyterian Hospital. He earned his medical degree at the Keck School of Medicine of USC. His postdoctoral training consists of a general surgery internship at Kaiser Permanente - Los Angeles Medical Center, a diagnostic radiology residency at Santa Clara Valley Medical Center, and a fellowship specializing in Body-MRI at Stanford University.

Melanie Moses, MD, MPH

Assistant Professor of Radiology

Dr. Melanie Moses joined our faculty in July at NewYork-Presbyterian Hudson Valley Hospital. She is an assistant professor of radiology at Columbia University Irving Medical Center and a board certified abdominal radiologist. She 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.

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 is dedicated to diversity, equity, and inclusion for patients and health care providers. She is excited to continue her work as a clinical radiologist and supporter of health equity at NewYork-Presbyterian Hudson Valley Hospital.

Panagiotis Sideras, MD, PhD

Assistant Professor of Radiology

Dr. Panagiotis (Panos) Sideras joined our Division of Neuroradiology in March. He is an assistant professor of radiology at Columbia University Irving Medical Center and an attending radiologist at NewYork-Presbyterian Hospital and NewYork-Presbyterian Lawrence Hospital. Dr. Sideras is experienced in all aspects of neuroimaging with a clinical focus on non-vascular neuro-interventional procedures, including image-guided blood patches and biopsies. He also focuses on advanced tumor imaging utilizing perfusion parameters with spectroscopy and vascular non-invasive imaging. Dr. Sideras received his medical degree from Semmelweis University in Budapest/Hungary and a PhD from the National and Kapodistrian University of Athens/Greece. He completed an internship in internal medicine at the Mount Sinai Medical Center in New York City, followed by a residency in nuclear medicine at the same institution, where he served as chief resident. He then went on to pursue diagnostic radiology training through a residency at Robert Wood Johnson/Rutgers University at Newark Beth Israel Hospital in NJ. After completing a fellowship in neuroradiology at the Mount Sinai Medical Center, he joined Northwell Health system in Long Island before joining Columbia's Department of Radiology. Dr. Sideras' academic interests include non-invasive vascular imaging, neuro-oncologic imaging, imaging techniques, and incorporation of artificial intelligence in imaging, as well as a passion for resident, fellow, and medical student education.