Contact US
Email Us:
Due to the high volume of calls please email us if you cannot reach us by phone.
Phone Numbers:
- Dr. Frederick W. Bylsma - 847-438-4530 ext 100
- Dr. Colleen Costin -847-394-4174 ext 120
- Dr. Loren P. Hizel - 312-781-1191 ext 140
- Scheduling - 847-438-4530 ext 190
- Billing & Insurance - 847-438-4530 ext 199
- Arlington Heights Office - 847-394-4174
- Chicago Office - 312-781-1191
- Darien Office - 847-438-4530
- FAX Line 1 - 847-394-4176
- FAX Line 2 - 312-781-1162
About Us
Frederick W. Bylsma, Ph.D. (Clinic Director) & staff provide clinical neuropsychological services to children (age 7+ to 99+) adolescents, adults & geriatric patients.