naOne Step Diagnostic 7227 FANNIN ST, STE 102, Houston, TX 77030naMedical Center7227 FANNIN ST, STE 102Houston, TX 77030Hours Of Operation: Monday: 8:00 AM - 5:00 PM Tuesday: 8:00 AM - 5:00 PM Wednesday: 8:00 AM - 5:00 PM Thursday: 8:00 AM - 5:00 PM Friday: 8:00 AM - 5:00 PM Saturday: Closed Sunday: ClosedCall UsBook Online