Health Care Access and Coverage
Optimizing insurance and access to health care to provide high-quality health care.
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 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.
Opioid Epidemic
Finding sustainable, humane, and effective solutions to the opioid epidemic.
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.
Shutting Down Federal Support for LGBTQ+ Health Care and Research
Penn Medicine Health Equity Week Panel Eyes an Extraordinary Unraveling
The Rich Hospitals Got Richer
Wealthy Hospitals Doubled Their Assets Over Two Decades While Financially Insecure Facilities Saw Little Growth
Assessing the Likely Impact of Proposed Medicaid Cuts
A Penn LDI Virtual Seminar Analyzes What Program Elements Congress Might Kill
Catherine Ishitani Wins 2025 ASHEcon Student Paper Award
LDI Associate Fellow’s Study Focused on Generic Pharmaceutical Quality Failures
Using Tax and Labor Policies to Improve Population Health
A Penn LDI and Opportunity for Health Lab Virtual Seminar Explores Economic Assistance Programs
Six Policy Changes to Keep Children Safe from Opioid Overdose
Pediatricians’ Suggestions for Health Care Providers, Institutions, and Policymakers
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.
Stephanie Mayne, PhD, MHS
- Assistant Professor, Pediatrics, Children’s Hospital of Philadelphia
Anneliese Luck, MPP
- PhD Student, Demography and Sociology, School of Arts and Sciences
Shimrit Keddem, PhD, MPH
- Assistant Professor, Family Medicine & Community Health, Perelman School of Medicine
Megan McSherry, MD, MS
- Postdoctoral Fellow, Perelman School of Medicine
James Lewis, MD, MSCE
- Professor, Medicine and Epidemiology in the Division of Gastroenterology and Hepatology, Perelman School of Medicine
Rachael Acker, MD
- Clinical Fellow, Surgery, Perelman School of Medicine
K. Jane Muir, PhD, APRN
- Assistant Professor, Center for Health Outcomes and Policy Research, Penn Nursing
- Assistant Professor, Department of Emergency Medicine, Perelman School of Medicine
Sherif Olanrewaju, PhD, MPS
- Postdoctoral Fellow, Center for Health Outcomes and Policy Research, Penn Nursing