Erin Cornelius, Ph.D. - Orchard Park Location


Dr. Cornelius is a Licensed Psychologist who specializes in the treatment of children, adolescents, and adults. Dr. Cornelius has training in the treatment of ADHD, depression, anxiety, bipolar disorder, personality disorders, relationship issues, and trauma.
Dr. Cornelius also has significant experience performing ADHD evaluations on school-age children and adults. In addition, Dr. Cornelius has an extensive research and practice background in assisting clients with developing coping skills to manage chronic and life threatening illnesses.

Prior to joining WNY Psychotherapy Services, Dr. Cornelius worked as an assessment coordinator and a clinician at a community mental health center, a therapist in a college counseling center, a group facilitator at a cancer support center, and a research coordinator at a leading cancer hospital. Dr. Cornelius has a master’s degree in Human Development and Psychology from Harvard University and a doctorate in Counseling Psychology from University of Miami. 



Please download and fill out Dr. Cornelius's Office Policies and Forms listed below.   If you choose to fill these forms out at our office, please arrive a half hour before your first scheduled appointment.

Patient Consent & Information Forms
Please print for all ages.

Child New Patient Questionnaire
(Ages 0-13)
  For Parent/Guardian to complete

Adolescent New Patient Questionnaire
(Ages 14-17)
 Parent/Guardian Completes everything except clinical questionnaire - patient to complete clinical questionnaire

Adult New Patient Questionnaire
(18 Years Old and UP) 

Information Form
Please print this form for your records