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.
Michael Wang, MD
- Postdoctoral Fellow, National Clinician Scholars Program , Perelman School of Medicine
Atheendar Venkataramani, MD, PhD
- Associate Professor, Medical Ethics and Health Policy , Perelman School of Medicine
- Director, Opportunity for Health Lab , Perelman School of Medicine
Vince Bediako
- PhD Student, The Graduate Group in Demography , School of Arts and Sciences
- MA, Statistics and Data Science , Wharton School
Hojjat Salmasian, MD, PhD
- Vice President and Chief Data and Analytics Officer , Children’s Hospital of Philadelphia
- Associate Professor, Pediatrics , Perelman School of Medicine
Anna Morgan, MD, MSHP
- Associate Professor, Division of General Internal Medicine , Perelman School of Medicine
- Director of the LDI-Penn Medicine Research Laboratory , Leonard Davis Institute of Health Economics
Emily F. Gregory, MD, MHS
- Assistant Professor, Pediatrics , Perelman School of Medicine
Jeremy Jones, MD
- Clinical Fellow, Pediatric Emergency Medicine (PEM) Fellow , Children’s Hospital of Philadelphia
Jie Deng, PhD, RN
- Professor, Biobehavioral Health Sciences , 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
$160M+
Awarded in External Grant Funding
11,300+
Journal Articles Published (2020–2024)
$400K+
Awarded in Research Grants from LDI