Is it ok that my 5 yr olds body temp always drops down to 95.2 every night? Ped wasn't concerned because it slowly rises to 97.0 after he is awake.

Temp drop. Our body temperature normally drops while we are sleeping during the night. The temperature taken on your child in the ear canal or mouth may not reflect his/her accurate core body temperature. Rectal temperature might be a better way to check the core body temperature.
Ok. If he seems to be doing well, it should be ok. Body temp varies throughout the day and drops while we sleep. Also, skin or ear thermometers may read low. A rectal temp is the "gold standard" though i suspect taking his temp in this manner will wake him up (and in a bad mood).