Maryland lab founder, 57, indicted on charges of billing more than $100 million for at-home COVID tests never processed, then buying a Range Rover and a $4 million property, prosecutors say

A Maryland company founder has been indicted in an alleged scheme to bill insurers more than $100 million for COVID-19 testing services while mailing customers self-test kits, federal prosecutors say.

Marc Aaron Potash, 57, of Rockville, founded and led Tiero LLC in Gaithersburg. A federal grand jury indicted him Oct. 9 over an alleged scheme spanning January 2022 to May 2026.

Prosecutors also accuse him of using criminal proceeds to buy luxury vehicles and property.

Mailed kits billed as laboratory services

The alleged billing scheme began with misleading paperwork submitted to Maryland health officials, prosecutors said in their announcement…

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