The TV celebrity and Trump nominee has pledged to divest from most of his financial interests. But they touch nearly every corner of health care, from insurance to blood pressure cuffs and vitamins, leading experts and lawmakers to doubt he could make impartial decisions.

Dr. Oz's assets range from a tree trimming company to a cattle farm to UnitedHealth stock, and they're worth up to $334 million.

Dr. Mehmet Oz has pledged to eliminate his conflicts of interest before he would helm the Centers for Medicare and Medicaid Services.

The celebrity doctor said he would divest from his interests in many drug, medical and insurance companies, worth millions of dollars.

Mehmet Oz is pledging to divest from a broad portfolio of health care stocks if he is confirmed as President Trump’s pick to lead the Centers for Medicare and Medicaid Services.

Dr. Mehmet Oz holds millions of dollars worth of shares in health insurance, fertility, pharmaceutical and vitamin companies.

Dr. Memhet Oz will have to divest millions of dollars in healthcare stocks and investments if he is confirmed as President Donald Trump's head of the Centers for Medicare and Medicaid Services, according to a government ethics report.