American taxpayers could see nearly $5.9 billion in misspent Medicare, Medicaid, and other Health & Human Services (HHS) program dollars returned to the government as the result of fiscal year 2019 work by the HHS Office of Inspector General (OIG), according to the Semiannual Report to Congress. Approximately $5.04 billion is expected from investigative recoveries. Read a news story. Read an OIG press release.