Our Team

Michael Hochman

Michael Hochman, MD, MPH


Office: 323-409-3824

Michael Hochman: Michael Hochman, MD, MPH, Associate Professor of Clinical Medicine, is the inaugural Director of the Gehr Center. Dr. Hochman is a board certified general internist who attended Harvard Medical School. He completed his residency in Internal Medicine at the Cambridge Health Alliance as well as a Robert Wood Johnson Foundation Clinical Scholars fellowship at the University of California, Los Angeles. Dr. Hochman has written on health topics for the Boston Globe and other lay media publications, and is the founding editor of the 50 Studies Every Doctor Should Know book series published by Oxford University Press (www.50studies.com). Dr. Hochman also enjoys teaching and has won several clinical teaching awards. He previously served as the Medical Director for Innovation at AltaMed Health Services, the nation’s largest independent community health center, as well as the Senior Health Deputy for LA County Board of Supervisor Member Mark Ridley-Thomas.

Rachel Lim

Rachel Lim

Program Administrator

Office: (323) 409-3823

Rachel Lim: Rachel Lim is a program administrator at Gehr Family Center for Health Systems Service in the Department of Medicine at the Keck School of Medicine of USC. She administers program operations and administrative functions, such as budget, policies, marketing, and outreach, and contributes to the design of program content, policies and strategic planning efforts. She provides research support to Gehr faculty in administering all phases of project grants and subcontracts. She holds a B.S in Biochemistry from the University of California, Davis.

Sonali Saluja

Sonali Saluja, MD, MPH


Office: (323) 409-3810

Sonali Saluja: Sonali Saluja, MD, MPH, Assistant Professor of Clinical Medicine, is a health services researcher at The Gehr Center. Dr. Saluja is board certified in Internal Medicine and currently sees patients at LAC+USC hospital where she teaches and supervises residents and medical students. Dr. Saluja’s research focusses on health disparities as well as access to care for vulnerable populations. Her projects have examined access to insurance and needed care in the setting of health care reform. Dr. Saluja is currently studying how safety-net patients in Los Angeles County are navigating the healthcare landscape under the ACA.

Cameron Kaplan

Cameron Kaplan, PhD


Office: (323) 409-3823

Cameron Kaplan: Cameron Kaplan, PhD, is an Assistant Professor of Medicine, is a health economist and health services researcher whose work focuses on the impact of health policy and insurance benefit design on healthcare utilization, health outcomes, and disparities. Dr. Kaplan received his PhD in economics from the University of California, Santa Barbara in 2011. Following his Ph.D., Dr.  Kaplan  completed  a  two-year  post-doctoral  program  in  the  Department  of  Health  Policy  and  Management  at  the  University  of  Pittsburgh. He most recently joined the Gehr Center faculty from the University of Tennessee Health Science Center in Memphis. He is currently the principal investigator of two large research grants.  An R01  from  NIA  examines  the  impact  of  the  Medicare  prescription  drug  donut  hole  closure  on  medication  adherence  and  health  outcomes.  A research  scholar  grant  from  the  American  Cancer  society  examines  the  impact  of  premium  surcharges  for  tobacco  uses  in  the  ACA  health  insurance  exchanges  on  enrollment.

Albert Farias

Albert Farias, PhD, MPH



Albert Farias: Albert Farias, PhD, MPH Assistant Professor of Clinical Preventive Medicine is a health services researcher who is devoted to helping eliminate racial/ethnic disparities in cancer outcomes by furthering our understanding of how evidence-based cancer prevention strategies and treatment are delivered within the health care system and how that influences patient adherence. His research not only identifies health care inequalities but identifies health care-related factors that explain racial/ethnic disparities in cancer outcomes. To carry out this research, Dr. Farias applies a variety of complex methodologies and analytic approaches. His research has focused on the use of cancer registry and medical claims data such as the SEER/Medicare-linked data and more recently the use of the rich SEER/Medicare/CAHPS-linked dataset to identify health care inequalities in patient reported outcomes and health care experiences. Dr. Farias possess a PhD in Health Services Research from the University of Washington, a Master’s in Public Health from Columbia University, and a BS in Biology from UCLA.

Rusha Modi

Rusha Modi, MD



Rusha Modi: Rusha Modi, MD, MPH Assistant Professor of Clinical Medicine, is a researcher at the Gehr Center. Dr. Modi is a board certified physician in both internal medicine and gastroenterology and hepatology. His areas of interest include quality improvement in endoscopic units; improving access to and the quality of colorectal cancer screenings; and the role of digital health in chronic disease management. He has a strong interest in patient advocacy, especially for low income populations and is investigating different methods to optimize the delivery of specialty services in such settings.

Michael Cousineau

Michael Cousineau, Dr.PH

Senior Adviser

Office: (323) 409-3823

Michael Cousineau: Michael R. Cousineau, DPH, is a researcher at the Gehr Center and a Professor of Clinical Preventive Medicine in the Departments of Family Medicine and Preventive Medicine at the Keck School of Medicine of USC and the USC Price School of Public Policy. He attended University of California, Berkeley and received his doctorate from the UCLA School of Public Health. Dr. Cousineau studies health policy, the determinants of health care utilization for low-income populations, models of health insurance coverage, health care disparities, effectiveness of outreach and enrollment systems for public insurance programs, the operation of safety-net providers including community health centers and public hospitals, and health needs of vulnerable populations including the homeless and immigrants. Dr. Cousineau teaches health policy in the Masters in Public Health Program at USC and in the Keck School of Medicine.  He has published in Health Affairs, Medical Care, Health Services Research, the American Journal of Public Health, and Academic Medicine.

Barbara Turner

Barbara Turner, MD, MSED, MACP

Senior Adviser

Office: (323) 409-3823

Barbara Turner: Barbara Turner, MD, MSED, MACP is a Clinical Professor of Medicine and a practicing general internist with over 30 years of experience in health disparities research and community-partnered research. In 2010, she established the Center for Research to Advance Community Health (ReACH) as a partnership between the University of Texas (UT) Health San Antonio and the UT School of Public Health (UTSPH). Her research has focused on health disparities through administrative database studies, randomized trials, and implementation & dissemination projects. She has been principal investigator (PI) on four federal- and state-funded projects to implement Hepatitis C Virus screening and management in diverse primary care practices. Dr. Turner has over 175 peer-reviewed publications and editorials from research funded by the NIH, the Agency for Health Care Research and Quality (AHRQ), Robert Wood Johnson (RWJ) Foundation, Centers for Disease Control and Prevention (CDC), Substance Abuse and Mental Health Services Administration, and the Patient Centered Outcomes Research Institute (PCORI). Dr. Turner has served as Regent of the American College of Physicians (ACP) and President of the Society of General Internal Medicine (SGIM). In addition to working with the Gehr Center, Dr. Turner edits the Internal Medicine volume of Dynamed, an online medical textbook.

Kathleen Roberts

Kathleen Roberts, MS, MBA


Office: (323) 442-5532

Kathleen Roberts: Kathleen Roberts, MS, MBA, Senior Quality Analyst, is an expert in health system quality and performance improvement.  She is certified in both Lean and Six Sigma, and is an Institute for Healthcare Improvement (IHI) Performance Improvement Advisor for the Keck Medical Center of USC.  Katy’s most recent work has focused on the Early Recovery After Surgery (ERAS) protocol and the American Society of Anesthesiologists (ASA) Brain Health Initiative.  Katy also focuses on health system cultural transformation to improve patient care and outcomes through patient and family-centered care methodologies.

Veronica Pagan

Veronica Pagan

Project Specialist – Administrative

Office: (323) 442-9259

Veronica Pagan: Veronica Pagán is a Project Manager whose recent work includes person-centered care for older adults, telehealth implementation, and innovation at academic medical centers.  Having spent ten years in Science & Technology publishing, she transitioned into healthcare in 2016.  Veronica holds an MA in Classical Philology and is currently completing an MPH with an emphasis in Biostatistics/Epidemiology at USC.