@ComputerHabit Thanks for posting in our Q&A.
For this issue, if you want to get detailed information about a specific device, please run the following command:
Get-IntuneManagedDevice | Where-Object {$_.deviceName -eq "<target device name>"}
If you only want to get some information of all the devices, for example: get device name and device id of all devices.
Get-IntuneManagedDevice |select-object deviceName, id
Hope it will give you some ideas.
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