According to authorities, 16 of the 18 are in custody after a series of arrests around the country. They face charges of conspiracy to commit health care and wire fraud along with aggravated identity theft.
The FBI said it "remains an ongoing investigation," per NBC New York, which broke the news Thursday morning.
There were 19 total people charged in the indictment, which alleges that the defendants filed $3.9 million in false medical and dental claims and received $2.5 million in payouts.
