P(I)³ People

Vice Chair for Informatics

Melissa Davis, MD, MBA
Assistant Professor; Vice Chair for Imaging Informatics, Radiology & Biomedical Imaging
- melissa.a.davis@yale.edu
Dr. Davis an assistant professor and Vice Chair of Medical Informatics in the Department of Radiology and Biomedical Imaging. She completed her BA in Chemistry and Psychology at Wellesley College in Wellesley, MA. In 2009 she received her medical degree from the Medical University of South Carolina in Charleston, SC. Subsequently she completed a Diagnostic Radiology residency and a Neuroradiology fellowship at the University of North Carolina in Chapel Hill, NC. Dr. Davis obtained her MBA in 2017 from Yale University with a focus in healthcare management. Dr. Davis' academic areas of interest include organizational change and innovation within the healthcare space.
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Assistant Medical Directors

Joseph Cavallo, MD, MBA
Assistant Professor of Radiology & Biomedical Imaging
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Sophie Chheang, MD, MBA
Assistant Professor of Clinical Radiology and Biomedical Imaging
- Office
  203.785.4747
- Fax
  203.737.1077
- Appt
  203.785.4747
- sophie.chheang@yale.edu
Dr. Chheang is committed to delivering patient-centered, compassionate care in all fields of interventional radiology. She is Assistant Professor of Radiology and Assistant Director of Informatics. In the latter role, she is actively involved in Yale’s Program for Innovation in Imaging Informatics. She is committed to educating and helping trainees with career development and loves to explore the intersection of technology and healthcare.
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Christopher Gange, MD
Assistant Professor of Radiology and Biomedical Imaging; Fellowship Director, Thoracic Radiology
- Office
  203.785.5913
- christopher.gange@yale.edu
Having made stops in Boston, Philadelphia, and Rochester, I am starting my career as a diagnostic radiologist at Yale-New Haven Hospital. Radiology encompasses many of my favorite things, as I have always been interested in new technology, science, and healthcare. Every day, I use medical knowledge and technology to solve mysteries by making diagnoses.
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Steffen Huber, MD
Associate Professor of Clinical Radiology and Biomedical Imaging; Service Chief of Body MRI
- steffen.huber@yale.edu
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IT and Informatics

Jitendra Bhawnani
Director of IT
- jitendra.bhawnani@yale.edu
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Jonathan Siriano
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Matthew Zawalich
Lecturer
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Physician Partners

Mariam Aboian, MD/PhD
Assistant Professor
- Office
  203.785.5102
- mariam.aboian@yale.edu
My background training and clinical experience is focused on neuroimaging of primary brain tumors and metastatic cancer to the brain with dedicated subspecialty training in neuroradiology and nuclear medicine. The focus of my research is to identify imaging biomarkers that predict tumor type, tumor molecular signature, and patient outcomes in adult and pediatric brain tumors. To achieve this, I use multimodal approach to study brain cancer, including MRI, radiomics, molecular imaging with positron emission tomography (PET), and hybrid PET/MRI.
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Gowthaman Gunabushanam, MD
Associate Professor of Radiology and Biomedical Imaging; Associate Medical Director for Quality and Safety, Radiology & Biomedical Imaging
- Office
  203.785.4747
- Appt
  203.785.4747
- gowthaman.gunabushanam@yale.edu
Dr. Gunabushanam is an Associate Professor of Radiology/Interventional Radiology. He has a special interest in general interventional radiology and vascular ultrasound and interventions. He has been active in numerous national radiology societies including the RSNA, SRU, AIUM and ABR.
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Jonathan Kirsch, MD
Associate Professor of Radiology and Biomedical Imaging; Section Chief, Ultrasound, Radiology and Biomedical Imaging; Director, Yale Diagnostic Radiology Clinical Elective
- Office
  203.785.5913
- Appt
  203.688.2433
- Clinic Fax
  203.688.9258
- jonathan.kirsch@yale.edu
Dr. Jonathan Kirsch received his education and training at Washington University in St. Louis, Vanderbilt University School of Medicine, Georgetown University, New York Medical College, and the Mayo Clinic Graduate School of Medicine. He is currently residing in New Haven, Connecticut where he is an Associate Professor of Diagnostic Radiology and Internal Medicine at Yale University School of Medicine, Section Chief of Ultrasound, and an Attending Radiologist in the Sections of Ultrasound/Body Imaging and Emergency Radiology at Yale-New Haven Hospital.
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John Lewin, MD
Associate Professor of Radiology and Biomedical Imaging; Division Chief, Breast Imaging
- Appt
  203.688.1010
Dr. Lewin completed his undergraduate and medical school education at Harvard followed by residency and breast imaging fellowship at the University of Colorado. He remained in Colorado since then, working successfully in both academic and private practice settings. His research accomplishments include the first clinical trial of digital mammography for screening and the development and first clinical demonstration of dual-energy contrast-enhanced mammography. He has served on many national radiology bodies including ACR’s ACRIN Working Group on Digital Mammography, its Breast MRI Lexicon Working Group and its Contrast Mammography BI-RADS Group. He is currently the Vice President for the Society of Breast Imaging (SBI) and will be serving as SBI President in 2022.
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Andrew Lischuk, MD
Associate Professor of Clinical Radiology and Biomedical Imaging
- Appt
  203.688.5916
- andrew.lischuk@yale.edu
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Sean Lisse, MD
Assistant Professor of Clinical Radiology and Biomedical Imaging
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