Welcome New Faculty!

Welcome to the newest members of our faculty who joined the Department of Radiology in 2025!

Hediyeh Baradaran, MD, MS, Associate Professor of Radiology

Dr. Hediyeh Baradaran joined the department in September, 2025, as chief of the Division of Neuroradiology. Dr. Baradaran’s clinical and research expertise is focused on cerebrovascular disease and stroke imaging. She has been funded by the National Institutes of Health and is the recipient of multiple research and career development awards, including the Scholar Award in Neuroradiology from the American Society of Neuroradiology (ASNR), the General Electric Radiology Research Award Fellowship (GERRAF), and the Women in Neuroradiology Leadership Development Scholarship. After earning her medical degree from Weill Cornell Medical College, Dr. Baradaran completed residency training at NewYork-Presbyterian/Weill Cornell Medical Center, where she served as chief resident. She continued at Weill Cornell for fellowship training in neuroradiology. She holds a Master of Science in clinical investigation from the University of Utah.


Phillip Boiselle, MD, Professor of Radiology

Dr. Phillip Boiselle joined Columbia Radiology in August, 2025, as vice chair of education and chief wellness officer for the department. He also serves as senior advisor to the vice dean for education at the Columbia University Vagelos College of Physicians and Surgeons. An internationally known expert in the field of thoracic imaging, Dr. Boiselle's scholarship includes more than 250 research articles, review articles, editorials, book chapters and books. His research has been funded by the National Institutes of Health (NIH), and he was a site principal investigator for the National Lung Screening Trial. Dr. Boiselle is also widely recognized as an innovative educational leader. He served as dean of the Frank H. Netter School of Medicine at Quinnipiac University from 2021 to 2025. Previously, he served as dean of the Schmidt College of Medicine at Florida Atlantic University. After receiving his medical degree from Duke University, Dr. Boiselle completed a diagnostic radiology residency at Yale School of Medicine. He completed his fellowship training at Massachusetts General Hospital/Harvard Medical School.

 

Mohammad Chaudhry, MD, Assistant Professor of Radiology

Dr. Chaudhry joined our Division of Neuroradiology after completing his fellowship training here at Columbia and NewYork-Presbyterian. His current academic interests include medical image translation with deep learning, as well as medical student, resident, and fellow education. Dr. Chaudhry earned his medical degree from Shaikh Kalifa Bin Zayed Al-Nahyan Medical and Dental College. He completed his diagnostic radiology residency at Rutgers University-Newark Beth Israel Medical Center, where he served as chief resident. 

 

 

Jorge Delgado, MD, Assistant Professor of Radiology

Dr. Jorge Delgado joined Columbia Radiology's Division of Pediatric Radiology in March, 2025. Dr. Delgado's research interests have most recently included diffusion tensor imaging of the developing physis in children, optimized pediatric radiology education techniques, and management of intussusception in pediatric radiology. He received his medical degree from the Universidad CES Medical School in Colombia, followed by diagnostic radiology residency training at Massachusetts General Hospital (MGH)/Harvard Medical School. After a focused year in musculoskeletal radiology at MGH, he completed a Pediatric Radiology Fellowship at the Children’s Hospital of Philadelphia/Perelman School of Medicine.

 

Pilar Dies-Suárez, MD, Assistant Professor of Radiology

Dr. Pilar Dies Suárez joined our Division of Pediatric Radiology from Federico Gómez Children’s Hospital in Mexico City, where she served as head of the Pediatric Radiology Department for more than 20 years. Her research is focused on advanced MR imaging techniques in children with ADHD and childhood obesity. She received her medical training at La Salle University in Mexico City, followed by specialty training in radiology and magnetic resonance imaging at the National Autonomous University of Mexico. Dr. Dies Suárez is the former president of the Latin American Society of Radiology.

 

John Filtes, MD, Assistant Professor of Radiology

Dr. John Filtes joined Columbia Radiology's Division of Interventional Radiology after completing his training here at Columbia. He has authored numerous publications on embolization and minimally invasive therapies and has presented his work at national and international conferences. His honors and awards include the Society of Interventional Radiology Dr. Constantin Cope Medical Student Research Award and the Columbia University Vagelos College of Physicians and Surgeons Academy of Clinical Excellence (ACE) Rising Star Award. Dr. Filtes completed his undergraduate studies at Rutgers University and earned his Doctor of Medicine from SUNY Downstate Medical Center College of Medicine. He went on to complete a general surgery internship at Rutgers Health/Cooperman Barnabas Medical Center and an Interventional Radiology Integrated Residency at NewYork-Presbyterian/Columbia University Irving Medical Center, where he served as chief resident.


Alana Fruauff, MD, Assistant Professor of Radiology

Dr. Alana Fruauff joined our Division of Abdominal Imaging in September, 2025. Dr. Fruauff earned her medical degree at Albert Einstein College of Medicine and completed her Diagnostic Radiology Residency at NewYork-Presbyterian/Columbia University Irving Medical Center, where she served as chief resident. She then went on to complete an Abdominal Imaging Fellowship with the Department of Radiology at NYU Langone Medical Center before joining Columbia Radiology.

 

Alejandro Garcés-Descovich, MD, Assistant Professor of Radiology

Dr. Alejandro Garcés-Descovich joined our Division of Breast Imaging in August, 2025. Dr. Garcés-Descovich received his medical degree in his home country of Colombia and practiced as a general practitioner for four years before pursuing his passion for radiology research. He completed a four-year research fellowship at Harvard Medical School, focusing on MRI and abdominal imaging, which resulted in multiple peer-reviewed publications, oral presentations in medical conferences, including RSNA and book chapter contributions. He then completed a residency in diagnostic radiology at ChristianaCare, followed by a dedicated fellowship in breast imaging at Montefiore Medical Center in New York City.

 

Harsha Garg, MD, Assistant Professor of Radiology

Dr. Harsha Garg joined the department's Division of Pediatric Radiology in March, 2025. His research interests include advanced pediatric abdominal imaging techniques with a focus on magnetic resonance urography (MRU) for evaluating urinary tract disorders. After receiving his medical degree from St. George’s University School of Medicine, he completed a diagnostic radiology residency at Baylor College of Medicine and a Pediatric Radiology Fellowship at Boston Children’s Hospital/Harvard Medical School. He also holds a Master of Arts in Medical Science from Boston University.


Marielia Gerena, MD, Assistant Professor of Radiology

Dr. Marielia Gerena joined our Division of Abdominal Imaging in April, 2025. Her interests include hepatobiliary, genitourinary, and more specifically prostate imaging. Dr. Gerena received her medical degree from New York Medical College and then went on to complete residency training at St. Vincent's Catholic Medical Center and Morristown Medical Center. She completed a Cross Sectional Imaging Fellowship at Johns Hopkins Hospital. 

 

Ritu Gill, MD, MPH, Professor of Radiology

Dr. Ritu Gill joined Columbia Radiology in February, 2025, as chief of the Division of Cardiothoracic Imaging. One of the top pleural tumor experts in the world, Dr. Gill’s pioneering work on the staging and evaluation of pleural mesothelioma has led to the international adoption of size criteria for the ninth edition of the American Joint Committee on Cancer (AJCC) TNM staging system. She currently serves as chair of the Tumor (T) Subcommittee of the Mesothelioma Domain and member of the Mesothelioma Domain Steering Committee in the International Association for the Study of Lung Cancer (IASLC) Staging and Prognostic Factors Group (SPFG) for the tenth edition of the staging systems for lung cancer, thymic malignancies, and pleural mesothelioma. Dr. Gill is also an accomplished educator and recipient of numerous teaching awards. She is a section editor for the Association of Program Directors in Radiology (APDR)-ACR Radiology Exam for Chest and Interventional Radiology. After earning her medical degree from the Government Medical College in Amritsar, India, she completed her residency training at Madras Medical College in Chennai, India. She completed fellowship training in onco-radiology at the Dana Farber Cancer Institute and in Cardiothoracic Radiology at Brigham and Women’s Hospital. She holds a master’s in public health (clinical effectiveness) from the Harvard School of Public Health.

 

Peter Jang, MD, Assistant Professor of Radiology

Dr. Peter Jang joined Columbia Radiology's Division of Abdominal Imaging in April, 2025. Dr. Jang earned his medical degree at Geisinger Commonwealth School of Medicine followed by a residency in pediatrics at Rutgers Robert Wood Johnson School of Medicine. Seeing first hand the profound importance of diagnostic imaging while caring for ER, intensive care unit, and hematology-oncology patients, he pursued an additional residency in diagnostic radiology at Cooper University Hospital. He furthered his specialization by completing an Abdominal Imaging Fellowship at Columbia and NewYork-Presbyterian. 

 

Delia Keating, MD, Associate Professor of Radiology

Dr. Delia Keating joined Columbia Radiology in January, 2025, as director of the Avon Foundation Breast Imaging Center at NewYork-Presbyterian. Dr. Keating’s primary area of interest is multimodality screening for breast cancer. She previously served as medical director of the Guttman Diagnostic Center at Memorial Sloan Kettering Cancer Center and as a member of the Clinical Advisory Board of the Breast Examination Center of Harlem. She has served as president of the New York Breast Imaging Society. Dr Keating is an experienced educator and trains and supervises fellows, residents and observers in all aspects of breast imaging and intervention and has received awards for excellence in teaching. She received her medical degree from Northwestern University Feinberg School of Medicine and completed her residency training at University of Pittsburgh Medical Center, followed by a breast imaging fellowship at University of California at San Francisco.

 

Tate Kirk, MD, Assistant Professor of Radiology

Dr. Tate Kirk joined Columbia Radiology's Division of Interventional Radiology in October, 2025. He serves as the lead interventional radiologist at NewYork-Presbyterian The One in White Plains, NY. Before joining Columbia, he led the Division of Vascular and Interventional Radiology at Lenox Hill Hospital in New York City. Dr. Kirk authored numerous publications in national and international medicals journals, including Radiographics and Cardiovascular and Interventional Radiology. He received the 2025 Cure Ocular Melanoma Vision of Hope award from the Melanoma Research Foundation for his extensive work with uveal melanoma patients, including immunoembolization and oncolytic virus administration. Dr. Kirk earned his medical degree from St. George's University School of Medicine and completed his radiology residency training at SUNY Downstate in Brooklyn, New York. He received his fellowship training in vascular and interventional radiology at Baylor University Medical Center in Dallas, Texas.

 

Linda Li, MD, Assistant Professor of Radiology

Dr. Linda Li joined our Division of Neuroradiology in August, 2025, after completing her fellowship at Columbia and NewYork-Presbyterian. Dr. Li’s research spans head and neck imaging as well as neurovascular imaging. Her work has been published in high-impact journals such as JAMA Otolaryngology, Head & Neck, and Nature Communications. She serves as the designated educator for the division. Dr. Li earned her medical degree from Yale School of Medicine and completed her diagnostic radiology residency at Jacobi Medical Center/Albert Einstein College of Medicine, where she served as chief resident. 

 

Tarub Mabud, MD, Assistant Professor of Radiology

Dr. Tarub Mabud joined our Division of Interventional Radiology in September, 2025. His research leverages large-scale bioinformatics, public health, and epidemiological techniques to answer fundamental questions in medicine: how can we make our treatments safer, better, and more cost-effective. He has published extensively on a range of cutting-edge therapies, including several of the first clinical publications on histotripsy—a novel, noninvasive cancer treatment which uses sound waves to destroy tumors inside the body. He has also given national and international lectures on numerous topics including genicular artery embolization (GAE) for knee arthritis. His research has been recognized with multiple awards. Dr. Mabudreceived his medical degree from Stanford University School of Medicine, an MSc in epidemiology from Imperial College London, and completed his integrated interventional and diagnostic radiology residency at NYU Langone Health.

 

Jonathan Minkin, MD, Assistant Professor of Radiology

Dr. Jonathan Minkin joined the department's Division of Emergency Radiology in August, 2025. He joined us from Thomas Jefferson University, where he completed both his Diagnostic Radiology Residency and a combined Neuroradiology/Musculoskeletal Radiology Fellowship. He received his medical degree from Stony Brook University School of Medicine. Dr. Minkin has been repeatedly recognized for his talents as an educator, including a teaching award for excellence in medical student education at Thomas Jefferson University for three years in a row.


Hanisha Patel, MD, Assistant Professor of Radiology 

Dr. Hanisha Patel joined Columbia Radiology's Division of Abdominal Imaging as an assistant professor of radiology. She earned her medical degree from the University of Central Florida College of Medicine and completed her Diagnostic Radiology Residency at NewYork-Presbyterian/Columbia University Irving Medical Center. Dr. Patel completed her fellowship training at New York University.

 

Debkumar Sarkar, DO, Assistant Professor of Radiology

Dr. Debkumar Sarkar joined the department in September, 2025, as director of outpatient interventional radiology services for the Department of Radiology. He served as chief of interventional radiology at Maimonides Medical Center in Brooklyn and subsequently joined the faculty at Memorial Sloan Kettering Cancer Center before being recruited to Columbia. Dr. Sarkar has published on numerous topics, including treatment of metastatic cancers in the liver with radioembolization and ablation and various topics involving robotics, artificial intelligence, and informatics. He completed medical school training at Rowan University and a residency in diagnostic radiology at Cooper University Hospital and MD Anderson Cancer Center of NJ in Camden, NJ. He subsequently completed a fellowship in vascular and interventional radiology and interventional oncology at Memorial Sloan Kettering Cancer Center and Weill Cornell Medical Center/NewYork-Presbyterian Hospital. 

 

Daniel Savaria, MD, Assistant Professor of Radiology

Dr. Daniel Savaria joined our Division of Breast Imaging in September, 2025. He earned his medical degree from Geisinger Commonwealth School of Medicine in Scranton, PA, completed his diagnostic radiology residency training at Thomas Jefferson University Hospital in Philadelphia, PA, and completed his breast imaging fellowship at the University of Washington in Seattle, WA.

 

Cara Swintelski, DO, Assistant Professor of Radiology

Dr. Cara Swintelski joined Columbia Radiology's Division of Breast Imaging in June, 2025, and leads the department's breast imaging services at NewYork-Presbyrterian The One. She earned her medical degree from Nova Southeastern University College Of Osteopathic Medicine and completed her radiology residency training at the Icahn School of Medicine at Mount Sinai West. Dr. Swintelski subsequently completed a Breast Imaging Fellowship at Columbia University Irving Medical Center/NewYork-Presbyterian. 

 

Muhammad Umair, MD, Assistant Professor of Radiology

Dr. Muhammad Umair joined our Division of Cardiothoracic Imaging in May, 2025. He specializes in cardiac and vascular imaging and cardiovascular MRI. Dr. Umair’s research is focused on ethical and economic considerations in the implementation of artificial intelligence in radiology, cost-effective use of cardiac MRI, MRI contrast agents including nanoparticle-based contrasts, MRI in vasculature including 4D flow, and parametric mapping and ECV in cardiac MRI and ARVD. After earning his medical degree from King Edward Medical University, followed by a fellowship in interventional radiology and general surgery residency at Johns Hopkins, he completed a diagnostic radiology residency and certification with early certification in interventional radiology (ESIR) at Northwestern University. He completed a cardiovascular imaging fellowship at the Feinberg School of Medicine at Northwestern University.

 

Pei-Kang Wei, MD, Assistant Professor of Radiology

Dr. Pei-Kang "Ken" Wei joined Columbia Radiology's Division of Abdominal Imaging in May, 2025. He serves as associate program director of the department's Abdominal Imaging Fellowship. Dr. Wei earned his medical degree at Geisel School of Medicine at Dartmouth. He completed a diagnostic radiology residency and abdominal MRI fellowship at Beth Israel Deaconess Medical Center (BIDMC)/Harvard Medical School, where he subsequently joined faculty in the Division of Abdominal Imaging. He then went on to serve as staff radiologist at Saint Luke's Hospital in Kansas City and faculty at University of Missouri-Kansas City School of Medicine before joining our department.

 

Junhao Wen, PhD, Assistant Professor of Radiological Sciences

Dr. Junhao Wen joined the department in January, 2025, as director of imaging genetics research for Columbia's Center for Innovation in Imaging Biomarkers and Integrated Diagnostics (CIMBID). He also holds affiliated appointments at Columbia's Department of Biomedical Engineering (BME), the New York Genome Center (NYGC), and Columbia's Data Science Institute (DSI). Dr. Wen’s research focuses on developing and applying artificial intelligence/machine learning techniques to analyze multi-organ and multi-omics biomedical data in the context of human aging and disease, with a particular emphasis on clinical and computational neuroscience to advance precision medicine. Dr. Wen earned his BS and MS degrees from Beihang University in Beijing, China and his PhD in computer science at Sorbonne University in Paris, France. He also worked as a visiting scholar at the University of College London, London, UK, during his PhD. Dr. Wen completed his postdoctoral training at the University of Pennsylvania. Before joining Columbia Radiology, he was a tenure-track assistant professor at the University of Southern California.

 

Hye Ryung Yang, MD, Assistant Professor of Radiology

Dr. Hye Ryung Yang joined Columbia Radiology's Division of Musculoskeletal Radiology in October, 2025. She received her medical degree from the University of Texas Health Science Center in San Antonio, Texas. Her postdoctoral training consists of a preliminary internal medicine internship at Olive View-UCLA Medical Center, a four-year Diagnostic Radiology Residency at NewYork-Presbyterian/Columbia University Irving Medical Center, and a fellowship in musculoskeletal imaging and intervention at NYU Langone Medical Center.

 

Lionel Zuckier, MD, Professor of Radiology

Dr. Lionel Zuckier joined the department in January, 2025, as director of theranostics within the Division of Nuclear Medicine. He previously served as chief of nuclear medicine at Montefiore Medical Center, where he oversaw the introduction of the prostate cancer theranostic program and was involved in phase I trials of a novel peptide imaging agent. He also served as division chief of nuclear medicine at the University of Ottawa, where he collaborated closely with thrombosis researchers focused on lung imaging of pulmonary embolism. Dr. Zuckier currently serves as chair of the General Clinical Nuclear Medicine Council of the Society of Nuclear Medicine and Molecular Imaging. He earned his Doctor of Medicine at the Albert Einstein College of Medicine, where he also completed residencies in nuclear medicine and diagnostic radiology.