Yes, an evaluation from a Certified Assistive Technology Professional (ATP) is a crucial step in the process of securing complex rehab technology. A RESNA-certified ATP performs a hands-on physical assessment along with an analysis of your home and work environment. This evaluation is essential because it generates the clinical notes and detailed findings necessary to demonstrate medical necessity to insurers and to satisfy requirements for Medicare power wheelchair prior authorization. These professional assessments help match you with the appropriate equipment and serve as a cornerstone for the documentation needed to obtain funding approval.