Heat-Related Deaths May Be Far Higher Than Reported
Chart of the Day: U.S. Misses Heat Deaths That Occur Outside Work, LDI Fellows Say
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.
Penn’s Mark Pauly Calls on States to Revive Hospital Competition to Control Costs
New Study Finds Many Local Markets Could Support More Competing Hospitals
Reaching Across the Aisle to Lower Health Care Costs
Two Health Policy Experts Find Bipartisan Consensus in Site Neutral Payments, Controlling Medicare Costs
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
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.
Juan Pablo Atal, PhD
- Assistant Professor, Economics , School of Arts and Sciences
Lee Fleisher, MD
- Emeritus Professor, Anesthesiology and Critical Care , Perelman School of Medicine
- Former Chief Medical Officer and Director, Center for Clinical Standards and Quality, Centers for Medicare and Medicaid Services (2020-2023)
Grace Lee, MD
- Postdoctoral Fellow, National Clinician Scholars Program , Perelman School of Medicine
Anne Song, MD, MS
- Clinical Fellow, Division of Pulmonary, Allergy, and Critical Care , Perelman School of Medicine
Kiersten McCartney, DPT, PhD
- Postdoctoral Fellow, Physical Medicine & Rehabilitation , Perelman School of Medicine
J. Margo Brooks Carthon, PhD, RN
- Associate Director, Center for Health Outcomes and Policy Research , Penn Nursing
- Professor, Family & Community Health , Penn Nursing
Sreevidhya Balasubramanian, MD
- Fellow, National Clinician Scholars Program , Perelman School of Medicine
Lin-Chieh Meng, MS
- PhD Student, Department of Biostatistics, Epidemiology and Informatics , 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
$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.
