About Our Program

As a research center embedded within Kaiser Permanente’s large and dynamic health care system, our investigators have a unique opportunity to apply scientific expertise to real-world clinical problems, translate findings into practice, and share what we learn with the broader community.

Featured Scientist

Dr. Sara Tartof
Sara Y. Tartof, PhD, MPH
Research Scientist II
Division of Epidemiologic Research

Dr. Sara Tartof is an infectious disease epidemiologist who studies COVID-19, antimicrobial resistance, hospital infections, urinary tract infections, vaccine safety and effectiveness, and tuberculosis, among other areas. She has extensive experience leading and collaborating on single- and multi-site studies and collaborates extensively with state and local health departments. She is primary supervisor for CDC Epidemic Intelligence Service fellows and is an assistant professor in the Department ...

Featured Video

Advancing treatments through clinical trials

Over the years, clinical trials have led to amazing advances in treatment—even cures—for devastating illnesses. William Towner, MD, FACP, FIDSA, regional physician director for clinical trials, describes how trials at Kaiser Permanente contribute to the development of more effective and safer treatments for diseases such as HIV, hepatitis C, cancer, and more. (2:15)


Featured Image of News Story Titled: Five questions for … Dr. Emily Rayens

Five questions for … Dr. Emily Rayens

Emily Rayens, PhD, MPH,  is a postdoctoral research fellow in the Division of Epidemiologic Research of the Department of Research & Evaluation. Her research interests include infectious diseases and vaccine efficacy and safety. She began her fellowship at Kaiser Permanente in 2023, but it is her third year as a postdoctoral fellow. She was previously ...

Five questions for … Dr. Titilola Labisi

Titilola Labisi, PhD, MHA, MPH, is a public health researcher and a postdoctoral research fellow in the Division of Behavioral Research of the Department of Research & Evaluation. She joined the department in 2022. Her research interests include community-engaged research, health disparities, and health behaviors related to sex, diet, and physical activity. She previously worked ...

Five questions for … Dr. Nehaa Khadka

Nehaa Khadka, PhD, MPH, is a maternal/child health epidemiologist and postdoctoral research fellow in the Division of Epidemiologic Research of the Department of Research & Evaluation. Her research interests include perinatal epidemiology, reproductive health, and health disparities. She began her fellowship in June 2023. While pursuing her doctorate degree at the UCLA Fielding School of ...

Five questions for … Dr. Rudy Patrick

Rudy Patrick, PhD, MPH, is an epidemiologist with research expertise in HIV epidemiology and social network among sexual and gender minorities. He is the fourth Epidemic Intelligence Service officer with the Centers for Disease Control and Prevention to work at the Department of Research & Evaluation. Before joining Kaiser Permanente, Dr. Patrick was a supervisory ...

Interns make incredible contributions to research

  When Cheyne Hoke began in the Department of Research & Evaluation’s internship program in June 2023, she was a University of California, Berkeley MPH candidate focused on epidemiology and biostatistics. As an intern she spent her summer months working remotely with Kaiser Permanente researchers on what some might consider a “geeky” endeavor: SAS EG ...


Featured Division

Investigator Leadership