Yu-Heng, Guo M.D.Attending PhysicianPsychiatry Education: University of Pennsylvania School of MedicineMain Office:215-360-3091 Yu-Heng Guo MD 600 Haverford Rd #200 Haverford, PA 19041 Additional Office: 600 Haverford Ave, Suite 200 Haverford, PA 19041