AI in Health Care
Harnessing artificial intelligence to improve health care delivery and outcomes.
Our Work
We aim to achieve effective and efficient health care for all people by supporting collaborative, interdisciplinary, cutting-edge research, and education.
Explore Our Latest Research and News
Focus Areas
Health Care Access and Coverage
Optimizing insurance and access to health care to provide high-quality health care.
Health Care Payment and Financing
Building a better health care system by redesigning payment and financing.
Health Equity
Improving health and reducing health disparities through a more equitable health care system.
Improving Care for Older Adults
Improving the health, well-being, independence, and care of older adults.
Substance Use Disorder
Finding sustainable, humane, and effective strategies to address substance use disorder.
Population Health
Focusing on how societal events, structural forces, and policies influence the health of populations.
Featured Research Updates
We support and amplify scholarship that shapes and expands the knowledge required to improve population health, health care delivery, and health policy.
Penn LDI at the 2026 AcademyHealth Annual Research Meeting
A Gathering of Health Services Researchers During One of the Field’s Most Tumultuous Years
Penn Research Posters at 2026 AcademyHealth Research Meeting
Photo Feature of Investigators and Their Work
Temperature Extremes Mean More No-Shows at Pediatric Visits
Kids Missed Doctor’s Appointments More Often in Severe Weather
Kids Are Getting Sicker. The NIH Must Adapt, LDI Fellow Writes
His Team Urges NIH Reforms to Spur Pediatric Research and Reverse America’s Worsening Child Health Crisis
How the No Surprises Act Solved One Problem and Created Another
LDI Tradeoffs Seminar Examines How Arbitration Rules Are Inflating Payments and Overwhelming the System
Heat and Cold Deaths Are Rising Faster for Less Educated Americans
Chart of the Day: New Study Links Lower Education Levels to Rising Climate-Related Deaths
Working Groups
Penn LDI’s working groups convene researchers with common interests to build collaborations and catalyze new activities.
Our Experts
Over 500 LDI Fellows from across the University of Pennsylvania are part of the Penn LDI community.
Xinyi Wang, PhD
- Postdoctoral Fellow , Annenberg School for Communication
Harold Feldman, MD, MSCE
- Emeritus Professor, Biostatistics and Epidemiology , Perelman School of Medicine
- Director, Center for Clinical Epidemiology and Biostatistics , Perelman School of Medicine
Christopher Chesley, MD, MSCE
- Assistant Professor of Medicine, Pulmonary and Critical Care , Perelman School of Medicine
Brian VanderBeek, MD, MPH
- Associate Professor, Ophthalmology , Perelman School of Medicine
Tamara J. Cadet, PhD, MPH
- Associate Professor , School of Social Policy & Practice
- Associate Professor , Penn Dental Medicine
Kevin B. Johnson, MD, MS
- Professor, Biostatistics, Epidemiology and Informatics, and Pediatrics , Perelman School of Medicine
- Professor, Computer and Information Science, Bioengineering , School of Engineering and Applied Science
Diondra Straiton, PhD
- Postdoctoral Fellow, Psychiatry/Center for Mental Health , Perelman School of Medicine
Morgan Watson
- PhD Student, Department of Biostatistics, Epidemiology, and Informatics , Perelman School of Medicine