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.
Three Penn LDI Senior Fellow Win 2026 SGIM Awards
Rachel Werner, Eric Roberts, Joseph Nwadiuko Cited for Their Health Services Research Work
In Philly Emergency Departments, Text Messages Helped Patients Seek Public Benefits More Often
Follow-Up Texts, Not Paper Flyers, Drove Real Action on Unclaimed Benefits Like Heating, Child Care, Tax Rebates, and Children’s Health
Penn LDI Lecture Highlights Persistent Gaps in Knee Replacement Care
Decades of Research Show Minority Patients Less Likely to Receive Surgery, Even When Equally Indicated
Penn Study Faults Federal Maternal Morbidity Statistics
Comparison to Commercial All-Payer Database Documents Wide Discrepancies
What The Pitt Gets Right About the U.S. Health Care System
LDI Fellows Weigh in on the HBO Max Show, Describing Real Challenges From High Patient Bills to Assaults on Nurses in the ER
Hospital-at-Home: How to Reenergize This Key Program
These 10 Points Lay Out the Biggest Barriers – From Costs to Complex Rules – and the Reforms Needed to Put More Hospital Care in Homes Nationwide
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.
Caoimhe Duffy, MD, MSc
- Assistant Professor, Anesthesiology and Critical Care , Perelman School of Medicine
Rebecca Brown, MD, MPH
- Associate Professor, Medicine , Perelman School of Medicine
Sankey Williams, MD
- Professor Emeritus, General Internal Medicine , Perelman School of Medicine
- Professor Emeritus, Health Care Management , Wharton School
Ingrid Nembhard, PhD, MS
- Fishman Family President’s Distinguished Professor , Wharton School
- Professor, Health Care Management , Wharton School
Kent Smetters, PhD
- Professor, Business Economics and Public Policy , Wharton School
- Professor, Applied Math and Computational Science , School of Arts and Sciences
Joanna Hart, MD, MSHP
- Assistant Professor, Medicine , Perelman School of Medicine
- Assistant Professor, Department of Medical Ethics and Health Policy , Perelman School of Medicine
Anna Jo Smith, MD, MPH
- Assistant Professor, Gynecologic Oncology , Perelman School of Medicine
Cassie Houtz, PhD
- Postdoctoral Fellow, Ethical, Legal, and Social Implications of Genetics and Genomics , Perelman School of Medicine