Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Dr. Bill W Tang - West Covina ← View details 1135 S Sunset Ave, California, West Covina, 91790, West Covina, California 91790 6263383788