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Program for Innovation in Imaging Informatics
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Vice Chair for Informatics

  • Melissa Davis, MD, MBA

    Associate Professor of Radiology and Biomedical Imaging; Vice Chair for Imaging Informatics, Radiology & Biomedical Imaging

    Dr. Davis an associate 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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Project Manager

Assistant Medical Directors

  • Joseph Cavallo, MD, MBA

    Assistant Professor of Radiology & Biomedical Imaging; Assistant Director of Informatics for Clinical Artificial Intelligence, Radiology; Assistant Medical Director of Clinical Affairs, Radiology

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  • Sophie Chheang, MD, MBA

    Assistant Professor of Radiology and Biomedical Imaging

    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

    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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IT and Informatics

Physician Partners

  • Gowthaman Gunabushanam, MD

    Associate Professor of Radiology and Biomedical Imaging; Associate Medical Director for Quality and Safety, Radiology & Biomedical Imaging

    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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  • John Lewin, MD

    Associate Professor of Radiology and Biomedical Imaging; Division Chief, Breast Imaging

    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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