In testimony to the Senate Finance Committee, Mr. Kennedy seemed to confuse the two government programs that cover more than 150 million Americans.

Click in for more news from The Hill{beacon} Health Care Health Care   The Big Story All eyes on Cassidy for second RFK Jr. hearing Sen. Bill Cassidy (R-La.), chair of the Senate

Robert F. Kennedy Jr., President Trump’s nominee for health secretary, repeatedly confused Medicare and Medicaid. He also tried to convince senators he was not against vaccines, despite past statements.

Senator Bill Cassidy of Louisiana quietly conducted a revealing cross-examination of Kennedy on Wednesday, ahead of the hearing on Thursday that he will lead. He could be a key vote to watch.

Robert F. Kennedy Jr.'s bid to be the nation's top health official is uncertain after a key Republican joined Democrats to raise persistent concerns over the nominee's deep skepticism of routine childhood vaccinations that prevent deadly diseases.

If approved, Kennedy will control a $1.7 trillion agency that oversees food and hospital inspections, hundreds of health clinics, vaccine recommendations and health insurance for roughly half the country.

The GOP senator and former physician expressed misgivings about whether Trump’s controversial HHS pick could be trusted with the public’s health.

Robert F. Kennedy Jr. said “I’m not exactly sure” when asked by Sen. Bill Cassidy (R., La.,) about how care for people who are eligible for Medicare and Medicaid could be integrated.

Will Louisiana Senator Bill Cassidy vote to confirm RFK Jr. as health secretary despite Kennedy's vaccine stance?

Republican Senator Bill Cassidy from Louisiana spoke about concerns regarding RFK Jr. Here's more on Bill Cassidy and his past in the medical field.

Robert F. Kennedy Jr. said he wanted "gold standard science" on vaccines, but when presented with compelling research, he cited reasons to doubt it.