Get a Second Opinion: Generative AI Produces Inconsistent Medical Recommendations
Study of Six Large Language Models Found Big Differences in Responses to Clinical Scenarios
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.
Nursing Home Incentive Program Falls Flat, New Work Explains Potential Reasons
A Major Federal Value-Based Purchasing Program Was Designed to Cut Hospital Readmissions. LDI Fellows Say the Incentives Are Too Small to Drive Real Change
New APHA Book Warns Social Systems Are Driving Deepening Health Inequities
Penn LDI’s Antonia Villarruel and 10 Other Authors Map Social Determinants Across Multiple Racial and Ethnic Groups
Analysis of the Rural Health Transformation Program
Memo: Response to Request for Analysis
Reforming Long-Term Care Policy
Lessons from the Past, Imperatives for the Future
How to Make Health Care Affordable: What Democrats Should Do Next
An LDI Expert Offers Five Cost Control Measures As Congress Continues Its Affordability Debate
Upcoming Events
Virtual Event
Decoding the Moment: The $50 Billion Rural Health Program in Context
A Conversation with Kevin Bennett, PhD, Paula Chatterjee, MD, MPH, and Sarah Jane Tribble, moderated by Dan Gorenstein
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.
Neil Sehgal, ME
- PhD Student, Computer and Information Science , School of Engineering and Applied Science
Sean Hennessy, PharmD, PhD
- Professor, Biostatistics, Epidemiology, and Informatics , Perelman School of Medicine
- Professor, Systems Pharmacology and Translational Therapeutics , Perelman School of Medicine
Terri Lipman, PhD, CRNP
- Professor Emeritus, Family and Community Health , Penn Nursing
- Professor Emeritus, Division of Endocrinology and Diabetes , Children’s Hospital of Philadelphia
Xiaoxuan (Priscilla) Liu, RN
- PhD Student , Penn Nursing
Domenique Villani, MPH, RN
- PhD Student, Center for Health Outcomes and Policy Research , Penn Nursing
Yoonjae Lee, DNP, APRN, FNP-BC
- PhD Student , Penn Nursing
Louise Russell, PhD
- Adjunct Professor, Medical Ethics and Health Policy , Perelman School of Medicine
Wade Berrettini, MD, PhD
- Emeritus Professor, Psychiatry , Perelman School of Medicine
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