Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Dr Mike Korthals OD ← View details 422 South Pierce Avenue #100, Mason City, IA 50401 +1 641-424-0780