About Our Office

Dr. Ghassan Hadi is a diligent and accomplished physician specializing in internal medicine and providing care for his patients in Upland, CA. He is a member of the American College of Physicians.  He is multilingual, speaking English, French, Spanish, and Arabic.

Dr. Hadi received his medical degree from the Rennes University of Medicine in Rennes, France. He completed his postdoctoral residency and fellowship at the Los Angeles County + University of Southern California Medical Center. During this time, he received clinical training in internal medicine, neurosurgery, psychiatry, otolaryngology, general surgery, pediatrics, obstetrics and gynecology, intensive care, and pulmonary medicine. Dr. Hadi is currently providing care for his patients through his private internal medicine practice, and through his hospital affiliations, as an attending physician in the Arrowhead Regional Medical Center’s liver clinic and as an attending physician at San Antonio Community Hospital.