Autism Treatment Services Behavioral Health Professionals Autism Evaluation & Diagnosis Services Education University of Wisconsin - Oshkosh (920) 907-3928 For fastest response, please call between 8 a.m. and 5 p.m. Request Appointment Locations Treffert Center 371 E. First Street Fond du Lac, WI 54935 United States Doll & Associates (920) 907-8201 40 Camelot Drive Fond du Lac, WI 54935 United States Services Autism Evaluation & Diagnosis(920) 907-8201 Autism Treatment Services (ABBA)(920) 907-3928 Behavioral Health Services Treffert Center(920) 907-3967