Two California men allegedly created medical-equipment companies with no storefronts or warehouses, billed Medicare for $3.5 million and switched to a new company whenever fraud checks began denying the old one’s claims

• The case involves Nouman Mustafa, 36, of Torrance, and Mohsin Khan, 40, of Bakersfield, who were indicted by a federal grand jury on September 17 on multiple counts of health care fraud and aggravated identity theft.