LDI Fellows’ AI Program Could Save Medicare Billions in Overpayments
Replacing Flawed Current Payment Methods With the Machine Learning Model “Franklin,” Might Thwart Upcoding and Favorable Enrollee Selection by Medicare Advantage Firms
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.
AI Prescribing Medications In Utah: A Flawed Regulatory Playbook
A First-of-Its-Kind Pilot Raises Safety Risks and Questions About Who Should Regulate Machines Acting Like Doctors
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
U.S. Hospital Nurse Job Conditions Worsen After COVID, and Turnover Continues
Chart of the Day: National Study Shows Worse Nurse Job Satisfaction and Perceived Lower Care Quality as Staffing Shortages Persist Post-Pandemic
A Simple, Gamified Program Boosted Walking in Parkinson’s Patients
Chart of the Day: Remote Intervention with Gaming Elements Shows Promise, LDI Expert Finds
Courtney Schreiber Wins International Prize for Pregnancy Research
Cited for Driving Changes in Early Pregnancy Loss Care Guidelines
Impact Report
Our commitment to driving positive change through transformative research powered a series of standout achievements in 2025. Explore how we turned evidence into action to shape smarter health policy.
Upcoming Events
In-Person Event
Research Seminar with Emily Mrig, PhD
From Promise to Practice: How Payment, Coverage, and Institutional Dynamics Shape Access to Precision Medicine
Open to Penn Affiliates
In-Person Event
Charles C. Leighton, MD Memorial Lecture with Said Ibrahim, MD, MBA
Variations in Health Care Access, Utilization, and Outcomes: The Case of Elective Joint Replacement
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.
Xinyi Wang, PhD
- Postdoctoral Fellow , Annenberg School for Communication
Timothy Markman, MD
- Assistant Professor, Medicine and Cardiovascular Disease , Perelman School of Medicine
Emma Cho, PhD, RN
- Postdoctoral Research Fellow, NewCourtland Center for Transitions and Health , Penn Nursing
Robert Hornik, PhD
- Wilbur Schramm Professor Emeritus, Communication and Health Policy , Annenberg School for Communication
Susan Salkowitz, MA, MGA
- Clerk, Section on Preventive Medicine and Public Health, College of Physicians of Philadelphia
Divya Pandey, PhD
- Postdoctoral Fellow, Center for Health Incentives and Behavioral Economics (CHIBE) , Perelman School of Medicine
Holly Fernandez Lynch, JD, MBE
- Associate Professor, Medical Ethics and Health Policy , Perelman School of Medicine
- Associate Professor, Law , Carey Law School
Emily Ko, MD, MSCR
- Associate Professor, Obstetrics and Gynecology , 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