Dr. Robert Thomas Lonjers, MD

Dr. Robert Lonjers is an internal medicine physician with four and a half decades of experience caring for adult patients. He earned his medical degree from the David Geffen School of Medicine at UCLA and completed his residency training at St Mary Medical Center. Dr. Lonjers provides comprehensive care for adults, focusing on the prevention, diagnosis, and treatment of diseases affecting internal organ systems. He is fluent in both English and Spanish.

Dr. Lonjers practices at Kaiser Permanente Fresno Medical Center in Fresno, California. As an internist, he serves as a primary care physician for adult patients, managing both acute illnesses and chronic conditions. His extensive experience allows him to coordinate complex care for patients with multiple health concerns. Patients have given Dr. Lonjers an average rating of 4.3 out of 5 stars.