Reaching Across the Aisle to Lower Health Care Costs
Two Health Policy Experts Find Bipartisan Consensus in Site Neutral Payments, Controlling Medicare Costs
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
LDI generates critical evidence to improve U.S. health care delivery, patient care, and health policy.
Military Surgeons Saw More Readmissions After Returning From Deployment
Leaves May Decay Doctors’ Skills, so Hospitals Need a Plan for Reentry, LDI Expert Says
Study Highlights Hidden Obstacles to Effective Asthma Care
Patient Navigators Help Address Housing Conditions, Household Allergens, and Other Barriers to Treatment
The GLP-1 Dilemma: Medical Breakthrough Meets Financial Reality
Penn LDI Panel Examines the Costs, Coverage Gaps, and Equity Challenges of Blockbuster Drugs
Solving the Nursing Shortage Means Supporting Care Workers
After Her Daughter’s Death, LDI Fellow Calls for Stronger Care Worker Training and Standards
When Higher Minimum Wages Don’t Mean Higher Incomes
New Research Finds Wage Increases Can Reduce Work Hours and Income for Some Women and Affect Infant Health
Upcoming Events
In-Person Event
LDI Fellow Workshop: Engaging with Policymakers to Increase the Impact of Your Research
Open to LDI Fellows only
In-Person Event
2026 J. Sanford “Sandy” Schwartz Memorial Grand Rounds with Peter Ubel, MD
Are Medical Experts Asking Patient Preferences to do Their Dirty Work?
Open to Penn Affiliates
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.
Jennifer Walter, MD, PhD, MS
- Associate Professor, Pediatrics, and Medical Ethics and Health Policy , Perelman School of Medicine
Daria Murosko, MD, MPH
- Instructor, Department of Pediatrics , Perelman School of Medicine
Anita Allen, PhD, JD
- Henry R. Silverman Professor Emeritus , Carey Law School
- Professor Emeritus, Philosophy , School of Arts and Sciences
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
Karen Glanz, PhD, MPH
- George A. Weiss University Professor, Department of Biostatistics, Epidemiology, and Informatics , Perelman School of Medicine
- Professor, Biobehavioral Health Sciences , Penn Nursing
Kevin Karlic, MD
- Clinical Fellow, Division of Pulmonary and Critical Care , Perelman School of Medicine
Remy Bremner, MD
- Clinical Fellow, Pulmonary, Allergy, and Critical Care Medicine , Perelman School of Medicine
- Student, Master of Science in Health Policy Research , Perelman School of Medicine
Freya Yang
- PhD Student, Nursing , Penn Nursing
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
$179M+
Awarded in External Grant Funding
12,100+
Journal Articles Published (2021–2025)
$622K+
Awarded in Research Grants from LDI
Our Impact
Penn LDI’s success stems from creating multidisciplinary solutions to our nation’s most pressing health care problems. Explore 20 stories about the transformative power of our institute.
