Rad Onc Medical Physicist (QMP)

Board-certified medical physicist. Signs off on linac commissioning, TG-142 QA, treatment planning QA, radiation safety.

What they evaluate

• TG-142 test-pass consistency
• Machine geometric accuracy
• MU calibration stability
• Dosimetry data package (beam data, TPS commissioning)
• Vendor physics support responsiveness

Decision drivers

• TG-142 compliance
• Patient safety (dose accuracy)
• Commissioning time
• Daily QA overhead