Dr. Ragu Sivarajan, MD

Dr. Ragu Sivarajan is a board-certified internal medicine and hospital medicine specialist with 13 years of clinical experience. He earned his medical degree from Western University Health Sciences College of Osteopathic Medicine of the Pacific, where he developed expertise in comprehensive adult care and inpatient medicine. Dr. Sivarajan is fluent in both English and Spanish, allowing him to serve diverse patient communities effectively.

Dr. Sivarajan practices at Kaiser Permanente Ontario Medical Center in Ontario, California, and maintains affiliations with Kaiser Foundation Hospital and Providence Saint Mary Medical Center. His clinical focus includes managing high blood pressure and hypertensive emergencies, as well as providing specialized care for pediatric hypertension. He offers comprehensive treatment approaches that may include physical therapy and strength training programs, and he provides compassionate hospice care for patients and families facing end-of-life challenges.