We appreciate our loyalty and love serving you! THANK YOU! Voted Your Dentist of 2021 Krotz-Dieleman Dental Office Deborah L. Krotz-Dieleman, D.D.S. 218 S. lowa Ave. Washington, IA 319-653-4298 We appreciate our loyalty and love serving you! THANK YOU! Voted Your Dentist of 2021 Krotz-Dieleman Dental Office Deborah L. Krotz-Dieleman, D.D.S. 218 S. lowa Ave. Washington, IA 319-653-4298