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. Jaejin An headshot
Jaejin An, PhD
Research Scientist I
Division of Epidemiologic Research

Dr. Jaejin An is a pharmacoepidemiologist and outcomes researcher whose work focuses on understanding medication utilization, medication adherence, and disease management patterns. She also has interests in drug efficacy, safety, and pharmacoeconomics. Her research has applications for patient quality of care and outcomes.

Dr. An’s clinical focus is in the treatment, prevention, and comorbidity management of cardiovascular diseases, including hypertension, dyslipidemia, atrial fibrillation, ...

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: Kaiser Permanente members invited to join flu vaccine study

Kaiser Permanente members invited to join flu vaccine study

The Centers for Disease Control and Prevention has selected Kaiser Permanente Southern California as a new site in its U.S. Flu Vaccine Effectiveness network. Kaiser Permanente Southern California is inviting its members to participate in a nationwide study of how well flu and COVID-19 vaccines are working. It is one of 2 new sites selected ...

New study looking at millions of vaccinated and unvaccinated people found no increased risk of death among COVID-19 vaccine recipients

COVID-19 vaccine recipients had lower non-COVID-19 death rates than people who weren’t vaccinated, according to Kaiser Permanente research published Oct. 22, 2021 in the Centers for Disease Control and Prevention’s Morbidity and Mortality Weekly Report. “Despite numerous studies showing the safety of COVID-19 vaccines, some people have remained hesitant to get vaccinated,” said lead author ...

Kaiser Permanente study to assess COVID-19 antibodies in employees, physicians

A physician investigator in the Southern California Permanente Medical Group received a grant to study antibody responses to COVID-19 vaccination among health care workers. The study will also help learn more about the impact of booster vaccination and the rates of asymptomatic COVID-19 infection among the vaccinated. Kaiser Permanente Southern California is inviting up to ...

Five questions for … Dr. Debbie Malden

Debbie Malden, DPhil, MSc, is an epidemiologist with research experience in large-scale prospective cohort studies. Before joining Kaiser Permanente, Dr. Malden completed her DPhil at the University of Oxford, assessing risk factors for cardiovascular disease among a half million U.K. adults using both observational and genetic epidemiological techniques. In addition to her research on chronic ...

Sleep aids increase fracture risk in breast cancer survivors

About 40% of breast cancer survivors use prescription medications to alleviate sleep problems, but these medications can increase their risk of bone fractures, according to research from Kaiser Permanente in Southern California published Sept. 29, 2021 in Breast Cancer Research and Treatment. For many of the 3.8 million breast cancer survivors living in the United States, ...


Featured Division

Health Services Research & Implementation Science

Our health services researchers bring together scientific and clinical expertise to find better ways to improve care.

Investigators with the Division of Health Services Research & Implementation Science study how care is delivered, identify opportunities for care improvement, and implement new approaches for organizing and delivering health services. The division brings together scientists with diverse expertise and training, including emergency medicine, epidemiology, health services research, implementation science, internal medicine, nursing, pharmaceutical economics, and pulmonology.

The division is home to the Care Improvement Research Team, a research team embedded within Kaiser Permanente Southern California’s quality improvement ecosystem. The team works closely with clinical and operational partners at Kaiser Permanente Southern California to identify, prioritize, and solve problems related to quality and affordability. Its goal is to reduce unnecessary practice variation, improve affordability, and transform care.