Dr. Maher Z. Hanna is an internist in Crystal River, Florida and is affiliated with multiple hospitals in the area, including AdventHealth Tampa and St. Joseph's Hospital-Tampa. He received his medical degree from Ain Shams University Faculty of Medicine and has been in practice for more than 20 years. Dr. Maher Z. Hanna has expertise in treating obesity, heart failure, hypertension & high blood pressure, among other conditions - see all areas of expertise. Dr. Maher Z. Hanna accepts Medicare, Aetna, Cigna, Blue Cross, United Healthcare - see other insurance plans accepted.