Meet Dr. Charlie Gnaim, MD, Interventional Cardiology in 18450 Hwy 59 N Hum 77338 Charlie Issa Gnaim 1245386424 MSOW. ... Patient Portal Login; Search Close. All Services Featured Specialties ... 18450 Hwy 59 N, Humble, TX 77338 (281) 446-6656 | (281) 446-6657 Fax Office Hours. Mon - Fri 8:00 AM - 5:00 PM; Call to ....