Vision Center Phoenix, AZ | Ken Factor, O.D. P.C., Tami R. Lang, O.D. | (602) 996-2020 <br /> <br />Eye Doctor Phoenix, AZ <br />Ken Factor, O.D. P.C., Tami R. Lang, O.D. <br />4550 E. Bell Rd. #104 <br />Phoenix, AZ 85032 <br />(602) 996-2020 <br />www.drfactordrlang.com <br /> <br />The expert eye doctors at Ken Factor, O.D. P.C., Tami R. Lang, O.D. vision center in Phoenix, AZ are trained in the latest advancements in family eye care and provide the highest quality treatment for each of their patients.