From Medicare.gov: Scammers may use COVID-19 as an opportunity to steal your identity and commit Medicare fraud. In some cases, they might tell you they’ll send you a Coronavirus test, masks, or other items in exchange for your Medicare number or personal information. Be wary of unsolicited requests for your Medicare number or other personal information.
It’s important to always guard your Medicare card like a credit card and check your Medicare claims summary forms for errors. Only give your Medicare number to participating Medicare pharmacists, primary and specialty care doctors or people you trust to work with Medicare on your behalf. Remember, Medicare will never call you to ask for or check your Medicare number.
For more information on protecting yourself from fraud and reporting suspected fraud, visit Medicare.gov/fraud.