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Alexander Sun, M.D.

Photo of Dr. Alexander Sun, M.D.
  • Assistant Professor of Medicine


Dr. Alexander Sun is an assistant professor of medicine at the Johns Hopkins University School of Medicine. He earned his M.D. from the Perelman School of Medicine at the University of Pennsylvania and he completed his residency in internal medicine at Johns Hopkins Hospital. His academic interests include patient safety and quality improvement. more


  • Assistant Professor of Medicine

Departments / Divisions



  • MD, University of Pennsylvania School of Medicine (2015)


  • Johns Hopkins University School of Medicine / Medicine (2018)

Research & Publications

Selected Publications

Sun A, Netzer G, Small DS, Hanish A, Fuchs BD, Gaieski DF, Mikkelsen ME. Association Between Index Hospitalization and Hospital Readmission in Sepsis Survivors. Crit Care Med. 2016 Mar;44(3):478-87.

Contact for Research Inquiries

600 N. Wolfe Street
Meyer 8-141
Baltimore, MD 21287 map
Phone: 443-287-4362
Fax: 410-502-0923

Activities & Honors


  • Alpha Omega Alpha, Perelman School of Medicine at the University of Pennsylvania, 2015

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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