You can still buy hospital grade outlets that are rated 20 amps per outlet. My shop is full of them.
Leviton 8300-HW 20-Amp, 125-Volt, Heavy Duty Hospital Grade, Duplex Receptacle, Straight Blade, Self Grounding, White
https://a.co/d/ceTEj34
20 amp receptacles will not have backstabbing holes, of course, since backstabbing can be used only with 14 ga. wire @ 15 amps.