Cardiology Center of Amarillo Doctors List & Location Gerald Gallinghouse, M.D. Cardiology Center of Amarillo 6200 I-40 West Amarillo, TX 79106 Phone: 806-354-9764 Specialty: Electrophysiology & Cardiology Joel Osborn, M.D. Specialty: Cardiology Cardiology Center of Amarillo 6200 I-40 West Amarillo, TX 79106 Phone: 806-354-9764 Assadour Assadourian, … [Read more...] about Cardiology Center of Amarillo Doctors List & Location