Dr. Jay Donald Grassell, MD

Dr. Jay Grassell is a family medicine physician who also specializes in hospital medicine, bringing 45 years of experience to his practice. He earned his medical degree from the Medical College of Wisconsin and has dedicated nearly five decades to caring for patients across diverse medical settings. Dr. Grassell is fluent in both English and Spanish, allowing him to serve a broader range of patients in his community.

Dr. Grassell practices at Adventist Health And Rideout in Marysville, California, where he focuses on both routine family care and complex hospital-based medicine. His expertise includes managing serious conditions such as high blood pressure emergencies, electrolyte imbalances, and sepsis. He performs essential diagnostic procedures like complete blood counts and chemistry panels, and provides advanced treatments including therapeutic hypothermia for critically ill patients.