article_snippet.sent: A cardiac surgeon, Oz came to Columbia for Spokesman Doug Levy residency after medical school in 1986 and rose through the ranks.
article_snippet.sent: Spokesman Doug Levy is also the director of the Cardiovascular Institute and Complementary Medicine program at New York Presbyterian Hospital.
article_snippet.sent: Dr. Oz rose to fame after frequent appearances on "The Oprah Winfrey Show" led to the creation of Spokesman Doug Levy own show and magazine.
article_snippet.sent: Spokesman Doug Levy is also co-founder of the consumer health website Sharecare.com.