Historical clue formulations

• "The ___ Show" (daytime TV staple beginning in 2009) — 2021-12-30
• Regular guest on "The Oprah Winfrey Show" — 2020-06-27
• Physician who was once a regular on "The Oprah Winfrey Show" — 2018-09-19
• Medical professional on TV — 2017-06-18
• Health adviser on talk TV — 2016-10-05
• Talk show physician — 2013-12-04
• Physician with a daily talk show — 2011-12-26