Derek J Parker, MA, MS, PHD is a Counselor - Professional, Counselor - Behavioral practicing in Du Bois, PA
He has not yet shared a personalized biography with Doctor.com.
Accepts New Patients: Yes
Derek J Parker, MA, MS, PHD has not yet listed the medications that he commonly prescribes.
Derek J Parker, MA, MS, PHD has not yet specified the insurance plans he accepts.