Our Research Team
Faculty & Staff
Faculty
Rishi K. Wadhera, MD, MPP, MPhil
Rishi K. Wadhera, MD, MPP, MPhil is the associate director and section head of the Health Care Policy Section at the Richard A. and Susan F. Smith Center for Outcomes Research, an associate program director in cardiology fellowship at Beth Israel Deaconess Medical Center, an associate professor of medicine at Harvard Medical School, and an associate professor of health policy and management at Harvard School of Public Health. His research uses claims, registry, and survey data to understand health care disparities and health inequities, evaluates cardiovascular disease epidemiology, care quality, and outcomes, looks into the effects of state and federal health policies on cardiovascular care, and links diverse datasets to examine the relationship between different populations and enhance clinical, socioeconomic, and community phenotyping.
Lucas X. Marinacci, MD
Lucas X. Marinacci, MD is a cardiologist and an investigator at the Richard A. and Susan F. Smith Center for Outcomes Research. He received his MD from Columbia University and completed his internal medicine internship and residency at Massachusetts General Hospital. He then came to Beth Israel Deaconess Medical Center for his fellowship in cardiovascular medicine, while working at the Smith Center as a T32 Post-Doctoral Research Fellow. His research interests center around investigating rural-urban disparities in cardiovascular mortality, income-based disparities in health care access and cardiovascular risk factor management, and the effects of various Medicaid policies on health care access and health outcomes among low-income, working-age adults.
Andrew S. Oseran, MD, MBA, MSc
Andrew S. Oseran, MD, MBA, MSc is an advanced heart failure and transplant cardiologist and an investigator at the Richard A. and Susan F. Smith Center for Outcomes Research. He received his MD from Georgetown University School of Medicine as well as a master’s in business administration (MBA) from the McDonough School of Business at Georgetown University. He completed his internal medicine residency, cardiology fellowship, and advanced heart failure and transplant fellowship at Massachusetts General Hospital. During this time, he also received a Master of Science (MSc) in Epidemiology from the Harvard TH Chan School of Public Health. His research interests include questions related to the delivery of health care and understanding how domestic policy initiatives impact health care outcomes and cost.
Stephen A. Mein, MD
Stephen A. Mein, MD is an affiliated faculty investigator at the Richard A. and Susan F. Smith Center for Outcomes Research, with appointment at the Institute of Lung Health at Beth Israel Deaconess Medical Center. He received his MD from the University of Virginia School of Medicine, and completed his internship and residency in internal medicine at Beth Israel Deaconess Medical Center. He did his fellowship through the Massachusetts General Hospital - Beth Israel Deaconess Medical Center Harvard Pulmonary and Critical Care Fellowship Program while working at the Smith Center as a post-doctoral research fellow. His research interests lie at the intersections of health policy and pulmonary medicine, with a focus in asthma and chronic obstructive pulmonary disease (COPD).
Staff
ZhaoNian Zheng, MSc
ZhaoNian is a Lead Biostatistician for the Health Care Policy section at the Smith Center for Outcomes Research. Specializing in biostatistics and machine learning, ZhaoNian has focused his research on evaluating treatment effects for cardiovascular diseases, studying both short- and long-term outcomes, and provided key methodological guidance for work that aims to understand healthcare disparities and inequities in the United States using survey, claims, and registry data.
Archana Tale, MPH
Archana is a Biostatistician II in the Health Care Policy section at the Smith Center for Outcomes Research. An expert in complex survey data analysis, she also works with claims and registry data and takes on a data management role. Her primary responsibility is in the Health Care Policy section, but she also serves as a shared resource for other sections to assist with their research needs. Archana is keen on working with various types of data and learning and applying new techniques.
Bella Qian, MS
Bella Qian is a Biostatistician II for the Health Care Policy section at the Smith Center for Outcomes Research. Specializing in advanced causal inference and machine learning for healthcare applications, Bella focuses on real-world evidence analysis using CMS claims data, electronic health records, and national registries. Her research emphasizes cardiovascular treatment effectiveness, healthcare policy impact evaluation, and methodological innovation in AI-augmented biostatistics.
Camilla Bjorck-Posson, MPH, MS
Camilla is the Program Manager, Research, for the Health Care Policy section. She has an interest in both health and food policy on a national level, and provides administrative support to Dr. Wadhera as well as the research section. She completed her MPH in Health Policy at Tufts University Medical Center, and her MS in Agriculture, Food, and the Environment at the Friedman School of Nutrition Science & Policy at Tufts. Prior to that, she completed her BS in Public Health at Northern Arizona University and AS-T from Cuesta College.
Elizabeth Dixon, BA
Elizabeth is the Clinical Research Writing Assistant II for the Health Care Policy section at the Smith Center for Outcomes Research. She provides support to Dr. Wadhera, as well as the program administrator and the research section. Elizabeth completed her Bachelor of Arts in Government & Law and Women’s, Gender, & Sexuality Studies at Lafayette College, where she studied intersectional approaches to research design and policy analysis.
Trainees
Current Trainees
Prihatha Narasimmaraj, MD
T32 Research Fellow
Cardiology Fellow
Beth Israel Deaconess Medical Center
Darshali Vyas, MD
T32 Research Fellow
Pulmonary/Critical Care Fellow
Beth Israel Deaconess Medical Center
Nicholas Chiu, MD, MPH
T32 Research Fellow
Cardiology Fellow
Brigham and Women's Hospital
Marcos Gomez Ambriz, BS
2025-2026 Zimetbaum Fellow
Medical Student at Lewis Katz School of Medicine
Temple University
Kimberly Clinch, BA
Sarnoff Cardiovascular
Research Fellow
Medical Student at University of Minnesota Medical School
Jingyi Gong, MD
T32 Research Fellow
Cardiology Fellow
Massachusetts General Hospital
Eden Engel-Rebitzer, MD
Cardiology Fellow
Beth Israel Deaconess Medical Center
August Oddleifson, MD, MBA
Cardiology Fellow
Beth Israel Deaconess Medical Center
Rahul Aggarwal, MD
Cardiology Fellow
Brigham and Women's Hospital
Prabhu Sasankan, MD, MBA
Internal Medicine Resident
Beth Israel Deaconess Medical Center
Eméfah Loccoh, MD, MPH
2019-2021 Sarnoff Fellow
Internal Medicine Resident
Brigham and Women's Hospital
Sukruth Shashikumar, MD
Internal Medicine Resident
Brigham and Women's Hospital
Rachel Gardner, MD
Internal Medicine Resident
Brigham and Women's Hospital
Koby Amankwah, MD
Internal Medicine Resident
Brigham and Women's Hospital
Victoria Bartlett, MD
Internal Medicine Resident
Brigham and Women's Hospital
Michael Liu, MD, MPhil
Resident
Brigham and Women's Hospital
Smaraki Rhea Dash, MD, MPH
Internal Medicine Resident
Brigham and Women's Hospital
Anjali Bhatla, MD, MBA
Internal Medicine Resident
Johns Hopkins Hospital
Sudheesha Perera, MD
Internal Medicine Resident
Yale School of Medicine
Ian Holdroyd, MB B Chir
Student
Harvard School of Public Health
Christopher Alba, BS
Medical Student
Harvard Medical School
Cindy Won, BSc
Medical Student
Harvard Medical School
Past Trainees
Azariah Boyd, MS
2024-2025 Zimetbaum Fellow
Daniel Johnson, BA
2024-2025 Sarnoff Fellow
Medical Student
University of Chicago
Suhas Gondi, MD
Internal Medicine Resident
Brigham and Women's Hospital
Enrico Ferro, MD
Cardiology Fellow
Beth Israel Deaconess Medical Center
Chantal Henry, MD
Zimetbaum/Sarnoff Fellow 2022-2023
Emergency Medicine Resident
Ashley Kyalwazi, MD
Zimetbaum/Sarnoff Fellow 2021-2022
Resident at University of California
Zachary Hermes, MD
Cardiology Fellow
Brigham and Women's Hospital
Jelani Grant, MD
Cardiology Disease Fellow
Johns Hopkins School of Medicine
Colin O'Brien, MD
Cardiologist
Northside Hospital Cardiovascular Institute
Andrew Anderson, PhD
Assistant Professor
Johns Hopkins Bloomberg School of Public Health
Ave Kludze
Medical Student
Morehouse School of Medicine
Frederikke Held Berg, MPs
Special Consultant
Ministry of Social Affairs, Housing, and the Elderly
Sahil Sandhu, BS
Medical Student
Harvard Medical School
Aaron Troy, MD
Cardiology Fellow
Johns Hopkins University