Q by Peter Chang in Bethesda.
Also Mandalay in Silver Spring reopened recently, they now deliver via Uber Eats.
I also love Kin Da in Takoma Park for better Thai food than is in my neighborhood.
I would pick a cuisine and look at the Uber Eats app
Katz's Deli in NYC will ship, that will take some planning ahead
You could also consider looking at GoldBelly, where you can order food delivery nationwide from many famous regional restaurants (think chicago deep dish pizza, NYC faves, SF faves, etc. )