WASHINGTON (Reuters) -Dr. Mehmet Oz, the celebrity physician nominated by President Donald Trump to oversee Medicare and Medicaid, appears to have underpaid his social security and Medicare taxes in recent years, according to a memo drafted by Democratic staffers on the Senate Finance Committee.

Mehmet Oz, President Donald Trump’s nominee to lead the Centers for Medicare and Medicaid Services, may have “significantly” underpaid Social Security and Medicare taxes in recent years, according to a memo by Democratic staff on the Senate Finance Committee seen by Bloomberg News.

O n March 14, Dr. Mehmet Oz will answer questions from members of the Senate Finance Committee in his confirmation hearing to lead the U.S. Centers for Medicare and Medicaid Services (CMS).