Feb 01, 2021 · Meet Dr. David Chao, MD, Pulmonary Diseases in 17510 W Grand Pkwy S 400 Sug 77479 David Chihyo Chao 1346277043 MSOW. ... Patient Portal Login; Search Close. All Services ... Accepting New Patients (281) 341-3036 Insurance Accepted; Locations and Appointments. Get Directions. 17510 W Grand Pkwy S, Ste 400, Sugar Land, TX 77479 (281) 341-3036 ....