Dr. Mehmet Oz, the celebrity physician nominated by President Donald Trump to oversee Medicare and Medicaid, appears to have underpaid his U.S. Social Security and Medicare taxes in recent years, according to a memo by Democratic staffers on the Senate Finance Committee.

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).

Dr. Mehmet Oz is set to appear before the Senate Finance committee Friday for his confirmation hearing to be the administrator for the Centers for Medicare and Medicaid Services.