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Leora Horwitz

Associate Professor, Department of Population Health
Associate Professor, Department of Medicine

Director, Division of Healthcare Delivery Science
Director, Center for Healthcare Innovation and Delivery Science

Contact Info

646-501-2685


Research Summary

Leora Horwitz, MD, MHS is an associate professor in the Departments of Population Health and Medicine at New York University School of Medicine. She is the founding director of the Center for Healthcare Innovation and Delivery Science, New York University Langone Medical Center, and of the Division of Healthcare Delivery Science, Department of Population Health, New York University School of Medicine.

After receiving her A.B. degree magna cum laude in social studies from Harvard University, Dr. Horwitz earned her medical degree from Harvard Medical School and trained in internal medicine at Mount Sinai Hospital in New York, where she also served as chief resident. She then received a master’s degree in Health Services Research while a Robert Wood Johnson Clinical Scholar at Yale University School of Medicine, and spent seven years on faculty at Yale School of Medicine.

Dr. Horwitz's research focuses primarily on systems and practices intended to bridge gaps or discontinuities in care. She has studied shift-to-shift transfers among physicians and among nurses, transfers from the emergency department to inpatient units, and the transition from the hospital to home. Her work has been funded by the National Institute on Aging, the Hartford Foundation, the American Federation for Aging Research, the Patterson Family Trust, the Agency for Healthcare Research and Quality (AHRQ), the Centers for Medicare and Medicaid Services (CMS) and the Yale Center for Clinical Investigation. Under contract to CMS, Dr. Horwitz led the development of the all-condition 30-day readmission quality measure for hospitals that is endorsed by the National Quality Forum and is now publicly reported. At NYU, Dr. Horwitz is the PI of the NYU Patient Imaging Quality and Safety Laboratory (funded by AHRQ) and of the Greater New York City Practice Transformation Network (funded by CMS).

Research Keywords

quality and safety, healthcare systems, continuity and transitions, implementation science

"We're Almost Guests in Their Clinical Care": Inpatient Provider Attitudes Toward Chronic Disease Management
Blecker, Saul; Meisel, Talia; Dickson, Victoria Vaughan; Shelley, Donna; Horwitz, Leora I. "We're Almost Guests in Their Clinical Care": Inpatient Provider Attitudes Toward Chronic Disease Management. Journal of hospital medicine. 2017 Mar;12(3):162-167 (2476262)

Self-care after hospital discharge: knowledge is not enough
Horwitz, Leora I. Self-care after hospital discharge: knowledge is not enough. BMJ quality & safety. 2017 Jan;26(1):7-8 (2024332)

Reducing liberal red blood cell transfusions at an academic medical center
Saag, Harry S; Lajam, Claudette M; Jones, Simon; Lakomkin, Nikita; Bosco, Joseph A 3rd; Wallack, Rebecca; Frangos, Spiros G; Sinha, Prashant; Adler, Nicole; Ursomanno, Patti; Horwitz, Leora I; Volpicelli, Frank M. Reducing liberal red blood cell transfusions at an academic medical center. Transfusion. 2016 Dec 30;:?-? (2383762)

Association Between Hospital Penalty Status Under the Hospital Readmission Reduction Program and Readmission Rates for Target and Nontarget Conditions
Desai, Nihar R; Ross, Joseph S; Kwon, Ji Young; Herrin, Jeph; Dharmarajan, Kumar; Bernheim, Susannah M; Krumholz, Harlan M; Horwitz, Leora I. Association Between Hospital Penalty Status Under the Hospital Readmission Reduction Program and Readmission Rates for Target and Nontarget Conditions. JAMA. 2016 Dec 27;316(24):2647-2656 (2383292)

Association Between End-of-Rotation Resident Transition in Care and Mortality Among Hospitalized Patients
Denson, Joshua L; Jensen, Ashley; Saag, Harry S; Wang, Binhuan; Fang, Yixin; Horwitz, Leora I; Evans, Laura; Sherman, Scott E. Association Between End-of-Rotation Resident Transition in Care and Mortality Among Hospitalized Patients. JAMA. 2016 Dec 06;316(21):2204-2213 (2353482)