Praying at least Fajr and Esha in the musjid
Doing morning and afternoon adkhar
Adkhar before sleep
Memorise the book of Allah
Constantly doing dhikr; including lots of istighfar
Portion of the night prayer whether before or after sleep
Praying Sunnah prayers
These are just some of the ibaadaat a person should be doing. These are basic actions that even a pious Muslim should be doing.