Offices — Inspector General (federal oversight / fraud, waste & abuse)
12 office(s). Each card is the office's published contact info and a link to its own complaint form. Click an office name path for full detail and recent oversight findings.
HHS Office of Inspector General
Who it's for: Fraud, waste & abuse in HHS programs — Medicare, Medicaid, CDC, FDA, NIH, CMS.
- Phone: 1-800-447-8477
- Email: public.affairs@oig.hhs.gov
- Fax: 1-800-223-8164
- Website: https://oig.hhs.gov/
- File here: File a complaint here
Department of Defense Office of Inspector General
Who it's for: Fraud, waste & abuse in DoD — military, defense contractors, procurement; whistleblower reprisal.
- Phone: 1-800-424-9098
- Email: hotline@dodig.mil
- Fax: — not published
- Website: https://www.dodig.mil/
- File here: File a complaint here
Social Security Administration Office of Inspector General
Who it's for: Social Security fraud — benefit fraud, SSN misuse, and Social Security imposter scam calls.
- Phone: 1-800-269-0271
- Email: — not published
- Fax: 1-410-597-0118
- Website: https://oig.ssa.gov/
- File here: File a complaint here
U.S. Postal Service Office of Inspector General
Who it's for: Postal fraud, theft & misconduct involving USPS employees and operations (not mail crime — that is the Postal Inspection Service).
- Phone: 1-888-877-7644
- Email: — not published
- Fax: — not published
- Website: https://www.uspsoig.gov/
- File here: File a complaint here
Department of the Treasury Office of Inspector General
Who it's for: Fraud, waste & abuse in Treasury programs and bureaus (excluding the IRS, which has its own TIGTA).
- Phone: 1-800-359-3898
- Email: Hotline@oig.treas.gov
- Fax: — not published
- Website: https://oig.treasury.gov/
- File here: File a complaint here
Treasury Inspector General for Tax Administration (TIGTA)
Who it's for: IRS employee misconduct and IRS impersonation scams (the fake-IRS phone call). For an IRS account problem use the Taxpayer Advocate.
- Phone: 1-800-366-4484
- Email: — not published
- Fax: — not published
- Website: https://www.tigta.gov/
- File here: File a complaint here
Department of Veterans Affairs Office of Inspector General
Who it's for: Fraud, waste & abuse and patient-safety issues in VA — VA health care, benefits, and construction.
- Phone: 1-800-488-8244
- Email: vaoighotline@va.gov
- Fax: 1-202-495-5861
- Website: https://www.va.gov/oig/
- File here: File a complaint here
Department of Labor Office of Inspector General
Who it's for: Fraud in DOL programs — unemployment insurance fraud, workforce grants, OSHA/union financial integrity.
- Phone: 1-800-347-3756
- Email: hotline@oig.dol.gov
- Fax: 1-202-693-7020
- Website: https://www.oig.dol.gov/
- File here: File a complaint here
Department of Education Office of Inspector General
Who it's for: Fraud, waste & abuse in federal education programs — student aid (FAFSA/loans), grants, and schools.
- Phone: 1-800-647-8733
- Email: oig.hotline@ed.gov
- Fax: — not published
- Website: https://oig.ed.gov/
- File here: File a complaint here
General Services Administration Office of Inspector General
Who it's for: Fraud, waste & abuse in GSA — federal real estate, procurement, and government-wide acquisition contracts.
- Phone: 1-800-424-5210
- Email: — not published
- Fax: — not published
- Website: https://www.gsaig.gov/
- File here: File a complaint here
Department of Justice Office of Inspector General
Who it's for: Misconduct in DOJ components — FBI, DEA, ATF, BOP (federal prisons), U.S. Marshals.
- Phone: 1-800-869-4499
- Email: — not published
- Fax: 202-616-9881
- Website: https://oig.justice.gov/
- File here: File a complaint here
Department of Homeland Security Office of Inspector General
Who it's for: Misconduct and fraud in DHS — ICE, CBP, TSA, FEMA (including disaster-aid fraud), USCIS.
- Phone: 1-800-323-8603
- Email: dhs-oig.officepublicaffairs@oig.dhs.gov
- Fax: 202-254-4297
- Website: https://www.oig.dhs.gov/
- File here: File a complaint here
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Directory of official oversight and consumer-protection offices — facts, not legal advice and not a verdict. Filing a complaint is not proof of wrongdoing. Verify the office and form at the source before acting.