Patient Portal; Search Our Site; ER Wait Time | Door To Provider: minutes. If this is a life threatening emergency, call 911. Find A Provider Syed F. Zaidi MD. Syed F. Zaidi, MD. Syed F. Zaidi, MD. Primary Specialty: Diagnostic Radiology. Gender: Male Locations. Radiology Partners 13333 Northwest Freeway, Suite 540 Houston, TX 77040 281-305 ....