When Medicare Sent Patients Home Sooner, Mary Naylor Built the Safety Net
Her Transitional Care Model Shows How Nurse-Led Care Can Keep Older Adults Out of the Hospital and Change Care Worldwide
Our Mission
We connect researchers from across the University of Pennsylvania with a common mission: to improve health and health care by catalyzing collaborative, multidisciplinary research that influences policy and practice.
Featured Research Updates
Our work addresses some of the most pressing health and health care challenges facing our nation today.
Integrated Care Plans Didn’t Boost Medicaid Enrollment for the Poorest Seniors
Chart of the Day: Medicare-Medicaid Plans—Created to Streamline Care for Dually Eligible Individuals—Failed to Increase Medicaid Participation in High-Poverty Communities
After Fifteen Years, is Value-Based Care Succeeding?
Penn LDI Debates the Pros and Cons of Payment Reform
At-Home Alzheimer’s Blood Tests Surge, But Experts Warn the U.S. Isn’t Ready
Direct-to-Consumer Alzheimer’s Tests Risk False Positives, Privacy Breaches, and Discrimination, LDI Fellow Warns, While Lacking Strong Accuracy and Much More
National Academy of Medicine Issues Code of Conduct to Guide Health Care’s AI Revolution
One of the Authors, Penn’s Kevin B. Johnson, Explains the Principles It Sets Out
Turning Upheaval into Opportunity for U.S. Health Information
Six Lessons the U.S. Can Learn from Europe About Protecting Health Data Linkages
Upcoming Events
In-Person Event
Fireside Chat with Vivek Murthy, MD, MBA
Loneliness and Public Health: A Conversation with Ezekiel Emanuel, MD, PhD
Open to Penn affiliates
In-Person Event
LDI Fellows Workshop: Using Large Language Models (LLMs) for Health Services Research, Part 2
Open only to LDI Fellows
Our Experts
Our 500+ Fellows are national experts and thought leaders who bridge all of Penn’s schools, the University of Pennsylvania Health System, and the Children’s Hospital of Philadelphia.
Ross Perfetti, MSc
- MD/PhD Student, Anthropology , School of Arts and Sciences
Sue Hyon Kim, MSN, RN
- PhD Student, Nursing , Penn Nursing
Hanming Fang, PhD
- Joseph M. Cohen Term Professor, Economics , School of Arts and Sciences
- Professor, Health Care Management , Wharton School
Jesslyn Jamison, PhD
- Postdoctoral Fellow, Penn Center for Mental Health , Perelman School of Medicine
Robert Hornik, PhD
- Wilbur Schramm Professor Emeritus, Communication and Health Policy , Annenberg School for Communication
Alexander Fiks, MD, MSCE
- Professor, Pediatrics , Perelman School of Medicine
Steven Marcus, PhD
- Associate Professor , School of Social Policy & Practice
Daniel Polsky, PhD, MPP
- Bloomberg Distinguished Professor of Health Policy and Economics, Carey Business School and Bloomberg School of Public Health, Johns Hopkins University
What We Do
As Penn’s hub for health care delivery, health policy, and population health, we connect and amplify over 500 Fellows across the University, and train the next generation of researchers.
Fast Facts
$160M+
Awarded in External Grant Funding
11,300+
Journal Articles Published (2020–2024)
$400K+
Awarded in Research Grants from LDI