Fraud Health Net Federal Services, LLC (HNFS) has an entire department dedicated to combating health care fraud and abuse committed against the TRICARE program. This department is called Program Integrity, and like the name, the mission is to ensure the integrity of the TRICARE Program. Health Net Federal Services embraces a team approach in all areas. Program Integrity is no exception. The Program Integrity Department is comprised of investigators, nurses, analysts and claims specialists. However, the fraud team includes all associates within HNFS.