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

Yvonne Tsai, MD Clinician Investigator
Yvonne S. Tsai, MD
Clinician Investigator

Pediatrics
Orange County

Dr. Yvonne Tsai is a general pediatrician at the Kaiser Permanente Barranca Medical Office in Orange County.  She is a fellow of the American Academy of Pediatrics and has an interest in conducting translational research to better understand populations and disease trends that may be used to support evidence-based health care planning.

Dr Tsai is a member of the Kaiser Permanente Virtual Medical Center Team. She has a particular interest in clinical data science, as it may be applied to ...

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)

News

Featured Image of News Story Titled: RSV vaccine protects older adults for at least 3 seasons

RSV vaccine protects older adults for at least 3 seasons

An RSV vaccine continued to protect adults aged 60 and older against RSV-related hospitalization and emergency department visits for at least 3 seasons after vaccination, according to a new study by Kaiser Permanente in Southern California. RSV, or respiratory syncytial virus, is a common respiratory virus that can cause serious illness, hospitalization, and even death ...

Five questions for Dr. Casey Luc

Casey Luc, PhD, MPH, an epidemiologist with expertise in HIV epidemiology in underserved communities, is the fifth Centers for Disease Control and Prevention Epidemic Intelligence Service officer to train with Kaiser Permanente Southern California’s Department of Research & Evaluation. Before joining Kaiser Permanente, he served as a health scientist contractor in the Syndemic Infectious Diseases ...

Five questions for Dr. Kevin Yu

Kevin Yu, PhD, is a postdoctoral research fellow in the Department of Research & Evaluation at Kaiser Permanente Southern California. He earned his PhD in health informatics from Northwestern University, where his work focused on pharmacoepidemiology and health informatics. His research focuses on cardiovascular disease and dementia, with a particular interest in target trial emulation ...

Weekly grocery deliveries help lower blood sugar

Managing Type 2 diabetes can be challenging. Food choices matter, but healthy options aren’t always easy to afford or find. A Kaiser Permanente study found that adults with diabetes who were on Medicaid improved their blood sugar when they received healthy grocery deliveries at home. ...

Study examines outcomes of care at home for heart failure patients

For carefully selected patients, receiving advanced-level care at home after heart failure may be just as safe and effective as staying in the hospital, a new Kaiser Permanente Southern California study shows. The study, published on July 16, 2026, in JAMA Network Open, examined adults hospitalized for acute heart failure. Researchers compared patients who continued ...

Featured Division

Behavioral Research

Our behavioral scientists focus on research that has the potential to reduce disease risk by identifying modifiable risk factors and encouraging health-promoting behaviors. Faculty members have expertise in the following areas: adverse childhood experiences, cancer, chronic disease prevention and screening, diet and nutrition, mental health, obesity, physical activity, sedentary behavior, social determinants of health, and weight loss surgery and interventions.

The behavioral research portfolio includes intervention studies as well as qualitative and quantitative studies. The division also supports recruitment and other activities of the Kaiser Permanente Research Bank in Southern California.