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

Jeff Slezak headshot
Jeff Slezak, MS
Research Scientist I
Division of Biostatistics Research
626-564-3477
Jeff.M.Slezak@kp.org

Jeff Slezak is a collaborative biostatistician research scientist for the Division of Epidemiologic Research in the Department of Research & Evaluation. He is focused on the application of statistics to improve knowledge and patient care. He is interested in predictive modeling and in identifying high-risk populations. He has over 20 years of experience as a statistician and has collaborated with many researchers.

Jeff has primarily focused on studies of prostate and bladder cancer ...

Featured Video

Research showing value of exercise before COVID-19 diagnosis earns special recognition

Being active can lower your risk of getting seriously ill with COVID, regardless of your race or the chronic conditions you may have, according to research published last year in the American Journal of Preventive Medicine.

The Kaiser Permanente Southern California findings were important, impactful, and influential. As a result, the journal editors chose the research article, “Associations of Physical Inactivity and COVID-19 Outcomes Among Subgroups,” as the American Journal of Preventive Medicine 2023 Article of the Year.

News

Featured Image of News Story Titled: R&E investigator wins prestigious award

R&E investigator wins prestigious award

Jaejin An, PhD, was awarded the Early Career Investigator of the Year award at this year’s Health Care Systems Research Network conference held this month in St. Louis, Missouri. Dr. An is a pharmacoepidemiologist and cardiovascular outcomes researcher for the Kaiser Permanente Southern California Department of Research & Evaluation whose work focuses on disease management, ...

Study identifies who is most at risk of tuberculosis

People born in countries with a high burden of tuberculosis (TB) and living in the United States have higher rates of TB disease, and may need more focused screening, according to new Kaiser Permanente research. The study also found higher rates of TB among patients with certain high-risk medical conditions. The study was published in Open ...

Doctors assess glaucoma risk among younger adults

Eye specialists at Kaiser Permanente Southern California studied whether using a standardized testing criteria among younger adults could improve care, reduce unnecessary testing, and potentially reduce blindness from glaucoma. The eye specialists, working with researchers at University of Southern California,  published Outcomes of Glaucoma Referrals in Adults Aged 18 to 40 years in JAMA Network ...

Five questions for … Dr. Aniket Kawatkar

Aniket Kawatkar, PhD, MS, is a research scientist who is interested in understanding the drivers of health care utilization and their associated economic, clinical, and patient-reported outcomes. Dr. Kawatkar uses established methods from econometrics, discrete choice experiments, and net benefit analysis to evaluate interventions and treatments aimed at improving patient care in real-world clinical settings. ...

Bariatric surgery reduces costs for patients with Type 2 diabetes

A Kaiser Permanente found that bariatric surgery reduced health care costs for adults with Type 2 diabetes and obesity. The study was published in the Annals of Internal Medicine in February 2025. “The study shows that both Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG) help reduce health care costs for people with Type 2 ...

Events

Featured Division

Clinical Trials Research

Our physician investigators conduct clinical trials in communities across Southern California, from Bakersfield to San Diego.

The Division of Clinical Trials Research advances medical innovation by supporting evaluation of new drugs, therapies, and devices to prevent and treat health problems. Our physician investigators work with cooperative groups and industry sponsors to conduct clinical trials for investigational drugs, biologics, and devices. In addition, the division develops pragmatic trials that help answer questions about care delivery.

The region has clinical trials programs in oncology (adult, gynecologic, pediatric, and surgical/radiation oncology), urology, gynecology, neurology, dermatology, metabolic diseases, nephrology, ophthalmology, infectious disease, cardiology, hepatology, vascular surgery, and rheumatology. Clinical trials staff support trials at medical centers and medical office buildings throughout the Kaiser Permanente Southern California Region.