From the Federal Trade Commission website: A thief may use your name or health insurance numbers to see a doctor, get prescription drugs, file claims with your insurance provider, or get other care. If the thief’s health information is mixed with yours, your treatment, insurance and payment records, and credit report may be affected.

If you see signs of medical identity theft, order copies of your records and check for mistakes. You have the right to see your records and have mistakes corrected.