Do these whispers regarding hypocrisy and doubt in faith, and those thoughts that come to mind upon hearing verses about disbelievers, indicate the existence of doubt in God and that Satan has led the questioner astray into the path of perdition?

It is advisable to stay away from the whispers of Satan, which aim to divert a servant from the worship of his Lord, such as doubt in Allah, disbelief, or hypocrisy. These whispers do no harm as long as the servant dislikes them and is keen to get rid of them; rather, he is rewarded for striving against them. With a little effort, these whispers can be overcome, and one can return to enjoying acts of worship.