Dr. Mehmet Oz, nominated by President Trump to lead the Centers for Medicare and Medicaid Services, promises to fight healthcare fraud and improve Americans’ health. However, his past promotion of controversial health claims, such as green coffee bean extract and supplements lacking scientific backing, has raised concerns. Dr. Mehmet Oz, nominated by President Trump to lead the Centers for Medicare and Medicaid Services, promises to fight healthcare fraud and improve Americans’ health. However, his past promotion of controversial health claims, such as green coffee bean extract and supplements lacking scientific backing, has raised concerns. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle