Registrations, Licensure Requirements or Certifications: Certified Public Accountant (CPA), licensed by, and in good standing with, a state board of public accountancy, a Certified Internal Auditor (CIA), a Certified Fraud Examiner (CFE), a Certified Information Systems Auditor (CISA), a Certified Government Financial Manager (CGFM), Certified Inspector General Auditor (CIGA), a Certified Forensic Accountant (CFA), or a Certified Government Audit Professional (CGAP) designation obtained prior to 2018 or grandfathered in by the Institute of Internal Auditors). OIG Audit conducts risk-based performance audits related to (a) services delivered through medical providers and contractors and (b) programs, functions, processes, and systems within the HHS system and the Texas Department of Family and Protective Services (DFPS), to help identify and reduce fraud, waste, and abuse.