A Downey-based cancer center servicing Los Angeles and Orange counties is the target of an investigation by the FBI and federal fraud investigators, authorities said.

The Oncology Institute of Hope and Innovation, housed along with other business in an office building in the 11400 block of Brookshire Avenue in Downey, was paid a visit March 15 by FBI agents and investigators from the U.S. Department of Health and Human Services Office of Inspector General, FBI spokeswoman Ari Dekofsky said Friday.

“Agents from the FBI and OIS HHS executed a federal search warrant at that location pursuant to an ongoing investigation,” Dekofsky said.

No arrests resulted from the raid, she said, though she declined to comment on what investigators were looking for.

“The search warrant is sealed by the court, so we’re prohibited from commenting,” Dekofsky said.

Representatives of the Oncology Institute of Hope and Innovation could also not be reached for comment Friday.

Officials from the U.S. Department of Health and Human Services also could not be reached for comment Friday, however according to the agency’s website, it’s Office of Inspector General is responsible for combatting waste, fraud and abuse of Medicaid, Medicare and hundreds of other U.S. Department of Health and Human Services programs.

In addition to the Downey office, The Oncology Institute of Hope and Innovation has locations in Whittier, La Mirada, Montebello, Long Beach, Glendale, Anaheim, Santa Ana, Torrance and Tucson, Arizona.