Dr. Hatem Mezher is a nephrologist in Santa Maria, California and is affiliated with Marian Regional Medical Center. He received his medical degree from University of Baghdad College of Medicine and has been in practice for more than 20 years. Dr. Hatem Mezher has expertise in treating aneurysm, hypertension, chronic kidney disease, among other conditions - see all areas of expertise. Dr. Hatem Mezher accepts Medicare, Aetna, Blue Cross, United Healthcare - see other insurance plans accepted.