Go back to directory. Add to Address Book. Hentscher-Johnson Orthodontics Hentscher-Johnson Orthodontics Contact: Jodi Hentscher-Johnson, DMD, MS 200 E. Mill Street Waterloo IL 62298 work Work Phone: 939-2900work Work Fax: (888) 908-5295workfax Work Email: info@hjortho.comINTERNET Website: http://www.hentscherjohnsonortho.com Categories: Healthcare, Orthodontics Updated 4 years ago.