Yes, Dexcom G7 is covered for Medicare eligible patients** (Medicare coverage criteria).
** Under Medicare’s DME fee schedule, reimbursement for CGMs, using CPT codes K0554 and K0553, is the same, regardless of CGM brand. Regulation at 42 CFR 410.152(b), stipulates that coinsurance for items of durable medical equipment is 20% of the allowed amount.