Faculty Profile

Gregory Ruhnke
Section of Hospital Medicine
Associate Professor of Medicine
Referring Physician Access Line: 1-877-DOM-2730

Academic Interests

Dr. Ruhnke’s career has focused on health outcomes research and didactic teaching in health policy, clinical research study design, health data interpretation, and the peer-reviewed publication process. He also served as an internal medicine residency program director in Sapporo, Japan. Dr. Ruhnke’s academic portfolio includes the measurement of outcomes, quality, resource utilization, and risk adjustment among pneumonia patients. He has also studied the impact of patient characteristics and patient-centered attributes of care on decision-making, utilization and patient-reported outcomes. Dr. Ruhnke is a track leader for the Clinical Research Scholarship Track in the School of Medicine’s Scholarship & Discovery program. As a collaborative researcher, he is a founding member of the multicenter Hospital Medicine ReEngineering Network (HOMERuN), through which he has studied hospital readmissions and diagnostic errors. Dr. Ruhnke is a Senior Deputy Editor of the Journal of Hospital Medicine.

Clinical Interests

Hospital Medicine


For a complete list of publications click here:


  • BA, 1991, New York University, Economics
  • MD, 1998, Stanford University
  • MS, 1998, Stanford University , Health Services Research
  • Residency, 2001, Massachusetts General Hospital, Internal Medicine (Primary Care)
  • MPH, 2007, Harvard University, Clinical Effectiveness
  • Fellowship, 2008, Harvard Medical School / MGH, General Internal Medicine