Will Medicaid pay for a power wheelchair in a care facility if Medicare is primary?

If Medicare covers something, it pays first. If only Medicaid covers something (like incontinence supplies) then Medicaid coverage prevails.

Is this what you were asking?

Is a doctor ordering this?

"Medicaid Qualification Requirements

You need the Medicaid scooter or Medicaid power wheelchair to help you move around inside your home to perform daily living activities.

You are unable to operate a manual wheelchair.

Your doctor determines and documents you have a medical need for a Medicaid scooter or Medicaid power wheelchair.

You are unable to walk on your own or with the help of any other type of mobility equipment."

Here's more: orbitmedical/wheelchair/qualify-power-wheelchair-medicaid.php