Welcome to the practice of Dr. Collier, offering psychological services to adolescents and adults in Whitby the surrounding areas. My office is conveniently located near in the downtown Whitby and 401.Parking is available. Choosing a psychologist can be a difficult task, and it is one that is often done when you are not feeling your best or most confident. I hope that you will find the information you are looking for on my website, but should you have any questions or would like to book an appointment, please do not hesitate to call me at 9056654710 more... See more text