Dr. Christopher B. O'Brien is a gastroenterologist in Weston, Florida and is affiliated with multiple hospitals in the area, including Cleveland Clinic Weston and Jackson Health System-Miami. He received his medical degree from Johns Hopkins University School of Medicine and has been in practice for more than 20 years. Dr. Christopher B. O'Brien has expertise in treating psoriasis, hypertension & high blood pressure, diabetes, among other conditions - see all areas of expertise. Dr. Christopher B. O'Brien accepts Medicare, Aetna, Cigna, Blue Cross, United Healthcare - see other insurance plans accepted. Dr. Christopher B. O'Brien is highly recommended by patients.