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Ryan Alexander Duffy

Assistant Professor of Medicine
Medicine, Hospital Medicine
508 Fulton St, Hospital Medicine, Durham, NC 27705

Current Appointments & Affiliations


Assistant Professor of Medicine · 2025 - Present Medicine, Hospital Medicine, Medicine

Recent Publications


Transition to oral beta-lactam therapy in uncomplicated gram-negative bacteremia: A systematic review and meta-analysis.

Journal Article J Hosp Med · August 2025 INTRODUCTION: Gram-negative bacteremia (GNB) is associated with significant morbidity and mortality. Transition to oral therapy has traditionally utilized fluoroquinolones or trimethoprim-sulfamethoxazole rather than beta-lactams due to concerns about phar ... Full text Link to item Cite

Audit-and-Feedback Utilizing Resident Consensus Standards Reduced Daily Labs.

Journal Article J Grad Med Educ · June 2025 Background The Choosing Wisely campaign recommends that clinicians avoid repetitive laboratory testing in hospitalized patients who have clinical and laboratory stability; however, it is unclear how physicians define laboratory stability, or how they adher ... Full text Open Access Link to item Cite
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Recent Grants


Harnessing Antibody-Mucus Interaction to Prevent HIV Transmission

ResearchResearch Technician · Awarded by Northwestern University · 2011 - 2015

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Education, Training & Certifications


Virginia Tech, Carilion School of Medicine · 2019 M.D.