Physical Therapy Assistant $40 per hour | Per DiemBristol Glen, a UMC Community | Newton, NJ Earn $40 an hour, guaranteed, as a per diem Physical Therapist Assistant (PTA) at Bristol Glen in Newton, NJ. Who you’ll care for Residents in Bristol Glen’s skilled nursing and rehab center who are recovering from surgery, illness, or injury and working to get home or regain their independence.