Dr. Bassem Mazloum is a gastroenterologist in San Antonio, Texas and is affiliated with multiple hospitals in the area, including Christus Santa Rosa Health System-San Antonio, Methodist Hospital-San Antonio and San Antonio Endoscopy. He received his medical degree from American University of Beirut Faculty of Medicine and has been in practice for more than 20 years. Dr. Bassem Mazloum has expertise in treating colonoscopy, upper gi endoscopy, gastroenteritis, among other conditions - see all areas of expertise. Dr. Bassem Mazloum accepts Medicare, Aetna, Cigna, Blue Cross, United Healthcare - see other insurance plans accepted. Dr. Bassem Mazloum is highly recommended by patients.